CN117568743B - Surface corrosion-resistant wear-resistant treatment process for iron-based material - Google Patents
Surface corrosion-resistant wear-resistant treatment process for iron-based material Download PDFInfo
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- CN117568743B CN117568743B CN202410051833.4A CN202410051833A CN117568743B CN 117568743 B CN117568743 B CN 117568743B CN 202410051833 A CN202410051833 A CN 202410051833A CN 117568743 B CN117568743 B CN 117568743B
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- Prior art keywords
- iron
- based material
- compound
- corrosion
- resistant
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 238
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 117
- 239000000463 material Substances 0.000 title claims abstract description 115
- 238000005260 corrosion Methods 0.000 title claims abstract description 76
- 230000007797 corrosion Effects 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 67
- 230000008569 process Effects 0.000 title claims abstract description 49
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 51
- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000002156 mixing Methods 0.000 claims abstract description 38
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 33
- 239000011701 zinc Substances 0.000 claims abstract description 33
- 238000005470 impregnation Methods 0.000 claims abstract description 24
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 15
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- VYLVYHXQOHJDJL-UHFFFAOYSA-K cerium trichloride Chemical compound Cl[Ce](Cl)Cl VYLVYHXQOHJDJL-UHFFFAOYSA-K 0.000 claims abstract description 11
- 238000007747 plating Methods 0.000 claims abstract description 7
- -1 aniline compound Chemical class 0.000 claims description 68
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 57
- 238000001035 drying Methods 0.000 claims description 34
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 33
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 33
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N N-phenyl amine Natural products NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 31
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Substances C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 26
- 229940126062 Compound A Drugs 0.000 claims description 22
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims description 22
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 claims description 22
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 18
- XYPVBKDHERGKJG-UHFFFAOYSA-N 4-(bromomethyl)benzaldehyde Chemical compound BrCC1=CC=C(C=O)C=C1 XYPVBKDHERGKJG-UHFFFAOYSA-N 0.000 claims description 15
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 15
- 238000005299 abrasion Methods 0.000 claims description 14
- HQPYEVSQMSDBFG-UHFFFAOYSA-N tert-butyl n-[3-(bromomethyl)phenyl]carbamate Chemical compound CC(C)(C)OC(=O)NC1=CC=CC(CBr)=C1 HQPYEVSQMSDBFG-UHFFFAOYSA-N 0.000 claims description 14
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims description 13
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 13
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 12
- AJKVQEKCUACUMD-UHFFFAOYSA-N 2-Acetylpyridine Chemical compound CC(=O)C1=CC=CC=N1 AJKVQEKCUACUMD-UHFFFAOYSA-N 0.000 claims description 11
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 claims description 11
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 235000019270 ammonium chloride Nutrition 0.000 claims description 9
- 238000011049 filling Methods 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- 229940104869 fluorosilicate Drugs 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 239000013078 crystal Substances 0.000 abstract description 11
- 238000009792 diffusion process Methods 0.000 abstract description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 238000004381 surface treatment Methods 0.000 abstract description 5
- 230000002776 aggregation Effects 0.000 abstract description 3
- 238000004220 aggregation Methods 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 47
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 30
- 230000000052 comparative effect Effects 0.000 description 16
- 238000001914 filtration Methods 0.000 description 14
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- GLEDYULDQVJLBE-UHFFFAOYSA-N 1h-imidazole;1,3-thiazole Chemical class C1=CNC=N1.C1=CSC=N1 GLEDYULDQVJLBE-UHFFFAOYSA-N 0.000 description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 229910052708 sodium Inorganic materials 0.000 description 7
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000002981 blocking agent Substances 0.000 description 4
- 238000004587 chromatography analysis Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- JFJNVIPVOCESGZ-UHFFFAOYSA-N 2,3-dipyridin-2-ylpyridine Chemical compound N1=CC=CC=C1C1=CC=CN=C1C1=CC=CC=N1 JFJNVIPVOCESGZ-UHFFFAOYSA-N 0.000 description 3
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical group C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 3
- CDXFIRXEAJABAZ-UHFFFAOYSA-N 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CDXFIRXEAJABAZ-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 125000003172 aldehyde group Chemical group 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229910003849 O-Si Inorganic materials 0.000 description 1
- 229910003872 O—Si Inorganic materials 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910002808 Si–O–Si Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000005997 bromomethyl group Chemical group 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- AEOCXXJPGCBFJA-UHFFFAOYSA-N ethionamide Chemical compound CCC1=CC(C(N)=S)=CC=N1 AEOCXXJPGCBFJA-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- MINVSWONZWKMDC-UHFFFAOYSA-L mercuriooxysulfonyloxymercury Chemical compound [Hg+].[Hg+].[O-]S([O-])(=O)=O MINVSWONZWKMDC-UHFFFAOYSA-L 0.000 description 1
- 229910000371 mercury(I) sulfate Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- LFKDJXLFVYVEFG-UHFFFAOYSA-N tert-butyl carbamate Chemical group CC(C)(C)OC(N)=O LFKDJXLFVYVEFG-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C12/00—Solid state diffusion of at least one non-metal element other than silicon and at least one metal element or silicon into metallic material surfaces
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
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- Chemical & Material Sciences (AREA)
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- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention relates to the technical field of metal surface treatment, in particular to a surface corrosion and wear resistant treatment process of an iron-based material, which comprises the following process steps: and (3) infiltrating plating: mixing an iron-based material with a zincating agent, and performing rotary zincating to form a zincating layer; and (3) heat treatment: performing heat treatment on the iron-based material obtained in the previous step in a nitrogen source, carbon source and oxygen source environment to form a hardening layer; closing: and (3) placing the iron-based material obtained in the previous step into a sealing agent, and performing sealing treatment to form a sealing layer to obtain the iron-based material with the corrosion-resistant and wear-resistant surface. According to the invention, cerium chloride is added in the diffusion coating process, so that the rapid diffusion of zinc and iron atoms is promoted; the method inhibits aggregation of crystal grains in the zinc impregnation process, prevents the growth of the crystal grains, promotes the refinement and uniformity of the crystal grains in the zinc impregnation layer, reduces the generation of pits, avoids the generation and expansion of cracks, improves the quality and mechanical property of the impregnation layer, and improves the corrosion resistance and the surface strength of the iron-based material.
Description
Technical Field
The invention relates to the technical field of metal surface treatment, in particular to a surface corrosion and wear resistant treatment process of an iron-based material.
Background
The iron-based material is a material with iron as a main component, has excellent mechanical properties and chemical stability, and has wide application in various fields. And with the progress of science and technology, the performance and application of iron-based materials are continuously expanded and innovated. Part of the iron-based materials are easy to be corroded due to interaction with oxygen, electrolyte solution and the like because of long-term exposure to air or in solution, and the normal use of the iron-based materials can be seriously affected. In addition, the iron-based material is often damaged by frictional wear and fails, requiring surface treatment. Therefore, we propose a surface corrosion and wear resistant treatment process of iron-based materials.
Disclosure of Invention
The invention aims to provide a corrosion and wear resistant treatment process for the surface of an iron-based material, so as to solve the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: the surface corrosion-resistant and wear-resistant treatment process of the iron-based material comprises the following process steps:
step (1) infiltrating plating: mixing an iron-based material with a zincating agent, and performing rotary zincating to form a zincating layer;
and (2) heat treatment: performing heat treatment on the iron-based material obtained in the previous step in a nitrogen source, carbon source and oxygen source environment to form a hardening layer;
and (3) closing: and (3) placing the iron-based material obtained in the previous step into a sealing agent, and performing sealing treatment to form a sealing layer to obtain the iron-based material with the corrosion-resistant and wear-resistant surface.
Further, the technological conditions of rotary zincating are as follows: the zincification temperature is 390-420 ℃, the zincification time is 3-4 h, and the rotating speed is 15-45 r/min;
the filling amount of the zinc impregnation agent is 80-90%;
the zinc-impregnation agent is a mixture of metallic zinc, aluminum oxide, ammonium chloride and cerium chloride.
Further, the zinc impregnation agent comprises the following components in parts by mass: 100 parts of metallic zinc, 5-94 parts of alumina, 2.0-2.5 parts of ammonium chloride and 2-4 parts of cerium chloride;
in the technical scheme, the iron-based material and the zinc-impregnation agent are mixed for rotary zinc impregnation. The zinc-impregnation agent comprises zinc-donor metal zinc, filler alumina, activator ammonium chloride and catalyst cerium chloride. Under the condition of high-temperature heating, the ammonium chloride is decomposed to generate H2, N2 and HCl gas, the H2, N2 and HCl gas are reducing gases, and the HCl can promote the generation of active zinc atoms through chemical substitution reaction; active zinc atoms are contacted and adsorbed on the surface of the iron-based material to form an alloy layer; zinc and iron atoms are further diffused to form a zinc-impregnated layer (the zinc-impregnated layer), which is helpful for improving the surface performance of the iron-based material and improving the corrosion resistance and wear resistance of the iron-based material.
Cerium chloride is contained in the zinc impregnation agent, can be adsorbed on the surface of the alloy layer, enters the iron-based material through crystal defects such as surface grain boundaries, dislocation and the like, promotes the mass production of lattice distortion, forms more defects, promotes the rapid diffusion of zinc and iron atoms, and improves the zinc impregnation efficiency. Meanwhile, the metal cerium can inhibit aggregation of crystal grains in the zinc impregnation process and prevent the growth of the crystal grains, so that refinement and uniformity of the crystal grains in the zinc impregnation layer are promoted, pits are reduced, cracks are prevented from being generated and expanded, the quality and mechanical property of the impregnation layer are improved, and the corrosion resistance and the surface strength of the iron-based material are improved.
Further, the ratio of the introduced volume of the nitrogen source, the carbon source and the oxygen source is 100 (1.0-1.5) (50-60);
the nitrogen source is NH 3 The carbon source is CO and CO 2 、CH 3 CH 3 One of the following; the oxygen source is H 2 O；
The flow rate of the nitrogen source is 1.0-1.8 m 3 /min。
Further, the heat treatment process conditions are as follows: the heat treatment temperature is 480-570 ℃, the heat treatment time is 4-7 h, and the pressure is 93-130 kPa.
In the technical scheme, the iron-based material is properly austenitized by adopting relatively low heat treatment temperature and heat treatment time, so that the strength and toughness of the iron-based material are improved, and the inter-crystal brittleness is reduced. The heat treatment process is carried out in the atmosphere of nitrogen source, carbon source and oxygen source, so that the diffusion layer formed after the iron-based material is galvanized can be subjected to nitriding and oxidation reaction simultaneously to form nitrogen oxides of zinc and iron, the nitrogen oxides have higher hardness and friction coefficient, the obtained film layer is recorded as a hardening layer, the surface performance of the iron-based material can be further improved, and the surface wear resistance and corrosion resistance of the iron-based material are improved.
Further, the process conditions of the sealing treatment are as follows: the temperature is 27-32 ℃ and the treatment time is 5-10 min.
Further, the sealing agent comprises the following components in parts by mass: 7-12 g/L fluorosilicate, 4-6 g/L fluotitanic acid, 2-5 g/L aniline compound, 0.35-0.7 g/L gamma-methacryloxypropyl trimethoxy silane, 0.8-1.6 g/L2- (perfluorohexyl) ethyl methacrylate, and the pH of the sealing agent is 3-4.
Further, the fluorosilicate is one of sodium fluorosilicate, potassium fluorosilicate and ammonium fluorosilicate.
Further, the aniline compound is prepared by the following process:
1. mixing 2-imidazole formaldehyde and dithioacetamide in N, N-dimethylformamide, placing the mixture at 147-155 ℃ and stirring and refluxing the mixture for reaction for 230-270 min; cooling, suction filtering, washing and drying to obtain the imidazole-thiazole compound;
2. mixing 4-bromomethylbenzaldehyde and 2-acetylpyridine in absolute ethyl alcohol, regulating the temperature of the system to 0-5 ℃, adding potassium hydroxide and ammonia water, and mixing; heating to 147-155 ℃, reacting for 24h, and recovering room temperature to react for 50-70 min; filtering, washing and chromatography to obtain a terpyridine compound;
3. mixing an imidazole-thiazole compound and 3- (bromomethyl) phenyl carbamic acid tert-butyl ester in butyronitrile, stirring and heating to 35-45 ℃ for reaction for 30-36 h; adding a terpyridine compound, heating to 55-65 ℃, and continuing to react for 36-40 h; spin drying and column passing to obtain compound A;
mixing the compound A and trifluoroacetic acid in dichloromethane, and reacting for 8-10 h; spin-drying, adding ethyl acetate, regulating the pH of the system to 8-9 by using 5% sodium carbonate solution, extracting by using ethyl acetate, drying by using anhydrous magnesium sulfate, filtering, spin-drying, and passing through a column to obtain the aniline compound.
In the step 1, the molar ratio of the 2-imidazole formaldehyde to the dithioacetamide is (2.2-2.8): 1;
the ratio of the 2-imidazole formaldehyde to the N, N-dimethylformamide is 8g/100mL.
In the step 2, the molar ratio of the 4-bromomethylbenzaldehyde to the 2-acetylpyridine is 1 (1.8-2.0);
the ratio of the 4-bromomethylbenzaldehyde to the absolute ethyl alcohol is 3g/100mL.
In the step 3, the mass ratio of the imidazole-thiazole compound to the 3- (bromomethyl) phenyl carbamic acid tert-butyl ester to the terpyridine compound is (9.7-10.6) 10 (15.6-17.1);
the proportion of imidazole-thiazole compound and butyronitrile is 10g/100mL.
In the step 3, the mass ratio of the compound A to the trifluoroacetic acid is (0.40-1.05): 1;
the ratio of the compound A to the dichloromethane is 7.5g/100mL.
Further, the step (3) comprises the following processes:
placing the iron-based material obtained in the previous step into a sealing agent at the temperature of 27-32 ℃ for 5-10 min; the temperature of the system is reduced to 0-5 ℃, ammonium persulfate APS is added, and the treatment is carried out for 30-60 min; taking out, washing and drying to obtain the iron-based material with the surface resistant to corrosion and abrasion.
Further, the dosage of ammonium persulfate is 1.5 to 2.5 percent of the mass of the aniline compound.
In the technical scheme, the sealing agent is adopted to seal the heat-treated iron-based material. Wherein the fluorosilicate in the capping reagent is capable of hydrolyzing under acidic conditions to produce silicic acid (silicon hydroxide); the silicic acid is condensed to form colloidal silica which is deposited on the surface of the iron-based material, so that the defects of surface cracks and the like of a hardening layer can be filled, thereby improving the surface performance of the iron frame material and enhancing the corrosion resistance and wear resistance of the iron frame material. The fluotitanic acid can be hydrolyzed under an acidic condition to form colloid titanium oxide, and the compactness and the integrity of the prepared sealing layer can be improved in cooperation with fluorosilicate, so that the corrosion resistance of the sealing layer is further improved. The gamma-methacryloxypropyl trimethoxy silane is hydrolyzed to generate silanol, can be adsorbed on the surface of an iron-based material (a hardening layer), is condensed with hydroxyl on the surface to form Zn-O-Si bonds, forms a film on the surface of the hardening layer, and is crosslinked to form Si-O-Si bonds to cover the hardening layer so as to cover the active area of the hardening layer, so that gaps between a corrosive medium and the iron-based material can be reduced, a protective barrier is formed, and the corrosion resistance and wear resistance of the surface of the iron-based material are improved. In addition, alkenyl in the gamma-methacryloxypropyl trimethoxy silane has electron-withdrawing induction effect, can be adsorbed on the surface of the hardening layer, promotes the film formation of the gamma-methacryloxypropyl trimethoxy silane on the surface of the hardening layer, and further improves the corrosion resistance of the iron-based material.
Mixing 2-imidazole formaldehyde with dithioacetamide to enable aldehyde groups in the 2-imidazole formaldehyde to react with thioamide at high temperature, and cyclizing to form thiazole groups to obtain compounds with imidazole and thiazole groups, namely imidazole-thiazole compounds; mixing 4-bromomethylbenzaldehyde with 2-acetylpyridine to enable aldehyde groups to react with acetyl groups and to be added with pyridine rings and unsaturated bonds to form a compound with terpyridine and bromomethylphenyl groups, namely a terpyridine compound; the nitrogen, sulfur and other hetero atoms are tightly adsorbed on the surface of the hardening layer through interaction with metals to form a physical barrier, so that corrosion is prevented, and the corrosion protection capability is improved; and can coordinate with iron ion and zinc ion, its coordination bond can buffer stress, effectively limit the propagation of hardening layer surface crack, implement corrosion inhibition to iron-based material, raise its corrosion resistance and mechanical property.
Mixing imidazole-thiazole compounds with terpyridine compounds and 3- (bromomethyl) phenyl carbamic acid tert-butyl ester in sequence for reaction, so that amino groups and bromomethyl groups of the imidazole-thiazole compounds are substituted; and eliminating the tert-butyl carbamate group to form amino, so as to obtain a compound with terpyridine, imidazole, thiazole and anilino groups, namely an aniline compound which is a macromolecular and conjugated system, and further promoting the adsorption of the aniline compound on the surface of the iron-based material and improving the corrosion resistance and mechanical properties of the iron-based material. The polymer can be further blocked from penetrating in the iron-based material by taking the polymer as a blocking agent component under the action of ammonium persulfate and in an acidic environment, so that the stability and the blocking capability of a blocking layer are improved, the mechanical property of the blocking layer is improved, and the corrosion resistance and the wear resistance of the iron-based material are improved.
The ammonium persulfate can also initiate free radical polymerization, and initiate polymerization of 2- (perfluorohexyl) ethyl methacrylate and gamma-methacryloxypropyl trimethoxy silane, so that an inter-transmission network structure is formed in a closed layer system, the blocking effect on corrosive media is further improved, and the corrosion resistance is improved; meanwhile, due to the introduction of fluorine, the surface activity of the sealing layer is improved, the wettability of a corrosive medium on the surface of the iron-based material is reduced, and the strength, the wear resistance and the corrosion resistance of the sealing layer are improved.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the surface corrosion-resistant and wear-resistant treatment process for the iron-based material, disclosed by the invention, the cerium chloride is added in the diffusion coating process, so that the rapid diffusion of zinc and iron atoms is promoted; the method inhibits aggregation of crystal grains in the zinc impregnation process, prevents the growth of the crystal grains, promotes the refinement and uniformity of the crystal grains in the zinc impregnation layer, reduces the generation of pits, avoids the generation and expansion of cracks, improves the quality and mechanical property of the impregnation layer, and improves the corrosion resistance and the surface strength of the iron-based material.
2. According to the surface corrosion-resistant wear-resistant treatment process for the iron-based material, the heat treatment is carried out in the nitrogen source, carbon source and oxygen source atmosphere, so that the diffusion layer formed after the zinc diffusion of the iron-based material is subjected to nitriding and oxidation reaction simultaneously to form nitrogen oxides of zinc and iron, the surface corrosion-resistant wear-resistant treatment process has high hardness and friction coefficient, the surface performance of the iron-based material is improved, and the surface wear resistance and corrosion resistance of the iron-based material are improved.
3. According to the surface corrosion-resistant and wear-resistant treatment process for the iron-based material, the aniline compound is prepared by taking 2-imidazole formaldehyde, dithioacetamide, 4-bromomethylbenzaldehyde, 2-acetylpyridine, 3- (bromomethyl) phenyl carbamic acid tert-butyl ester and the like as raw materials, and is used as a sealing agent component to undergo in-situ polymerization to form a polymer, so that penetration of a corrosive medium in the iron-based material can be further blocked, the stability and blocking capacity of a sealing layer are improved, the mechanical property of the sealing layer is improved, and the corrosion resistance and wear resistance of the iron-based material are improved.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the above-mentioned technical scheme, the method comprises the steps of,
the iron-based material comprises the following chemical components in percentage by mass: 0.67% Mn, 0.22% Si, 0.17% C, 0.022% S, 0.018% P, the balance being Fe;
metal zinc: zinc powder with an average particle size of 50 μm and a purity of 99.99% is obtained from the company of Siam Bona materials technology;
alumina: the particle size is 500 meshes, the purity is 99.9%, and the product is obtained from Fucai mineral products limited company in Donghai county.
Example 1: the surface corrosion-resistant and wear-resistant treatment process of the iron-based material comprises the following process steps:
step (1) infiltrating plating: mixing an iron-based material with a zincating agent, wherein the zincating agent comprises the following components in parts by mass: 100 parts of metallic zinc, 87 parts of aluminum oxide, 2.0 parts of ammonium chloride and 2 parts of cerium chloride; performing rotary zincating, wherein the process conditions are as follows: the zincification temperature is 390 ℃, the zincification time is 4 hours, and the rotating speed is 15r/min; the filling amount of the zinc impregnation agent is 80%; forming a seepage layer;
and (2) heat treatment: introducing the iron-based material obtained in the previous step into a nitrogen source, a carbon source and an oxygen source environment in a volume ratio of 100:1:50; the nitrogen source is NH 3 The carbon source is CO; the oxygen source is H 2 O; the flow rate of the nitrogen source is 1.0m 3 A/min; performing heat treatment, wherein the process conditions are as follows: the heat treatment temperature is 480 ℃, the heat treatment time is 7 hours, and the pressure is 93kPa, so that a hardening layer is formed;
and (3) closing:
1. mixing 2-imidazole formaldehyde and dithioacetamide in N, N-dimethylformamide, placing the mixture at 147 ℃ and stirring and refluxing the mixture for reaction for 270min; cooling, suction filtering, washing and drying to obtain the imidazole-thiazole compound; the molar ratio of the 2-imidazole formaldehyde to the dithioacetamide is 2.2:1; the ratio of the 2-imidazole formaldehyde to the N, N-dimethylformamide is 8g/100mL;
2. mixing 4-bromomethylbenzaldehyde and 2-acetylpyridine in absolute ethyl alcohol, regulating the temperature of the system to 5 ℃, adding potassium hydroxide and ammonia water, and mixing; heating to 147 ℃, reacting for 24 hours, and recovering room temperature to react for 50 minutes; filtering, washing and chromatography to obtain a terpyridine compound; the molar ratio of the 4-bromomethylbenzaldehyde to the 2-acetylpyridine is 1:1.8; the proportion of the 4-bromomethylbenzaldehyde and the absolute ethyl alcohol is 3g/100mL;
3. mixing an imidazole-thiazole compound and 3- (bromomethyl) phenyl carbamic acid tert-butyl ester in butyronitrile, stirring and heating to 35 ℃ for reaction for 30 hours; adding a terpyridine compound, heating to 55 ℃, and continuing to react for 36 hours; spin drying and column passing to obtain compound A; the mass ratio of the imidazole-thiazole compound to the 3- (bromomethyl) phenyl carbamic acid tert-butyl ester to the terpyridine compound is 9.7:10:15.6; the proportion of imidazole-thiazole compounds and butyronitrile is 10g/100mL;
mixing the compound A and trifluoroacetic acid in dichloromethane, and reacting for 8 hours; spin-drying, adding ethyl acetate, regulating the pH of the system to 8 by using 5% sodium carbonate solution, extracting by using ethyl acetate, drying by using anhydrous magnesium sulfate, filtering, spin-drying, and passing through a column to obtain an aniline compound; the mass ratio of the compound A to the trifluoroacetic acid is 0.8:1; the ratio of the compound A to the dichloromethane is 7.5g/100mL;
4. placing the iron-based material obtained in the previous step in a sealing agent at the temperature of 27 ℃ for 5min; the sealing agent comprises the following components in mass percent: 10g/L sodium fluosilicate, 4g/L fluotitanic acid, 2g/L aniline compound, 0.35g/L gamma-methacryloxypropyl trimethoxysilane, 0.8 g/L2- (perfluorohexyl) ethyl methacrylate, and the pH of the sealing agent is 3; the temperature of the system is reduced to 5 ℃, ammonium persulfate (the dosage is 1.5 percent of the mass of the aniline compound) is added, and the treatment is carried out for 30 minutes; taking out, washing and drying to form a sealing layer, thus obtaining the iron-based material with the surface resistant to corrosion and abrasion.
Example 2: the surface corrosion-resistant and wear-resistant treatment process of the iron-based material comprises the following process steps:
step (1) infiltrating plating: mixing an iron-based material with a zincating agent, wherein the zincating agent comprises the following components in parts by mass: 100 parts of metallic zinc, 87 parts of aluminum oxide, 2.2 parts of ammonium chloride and 3 parts of cerium chloride; performing rotary zincating, wherein the process conditions are as follows: the zincification temperature is 405 ℃, the zincification time is 3.5 hours, and the rotating speed is 30r/min; the filling amount of the zinc impregnation agent is 85%; forming a seepage layer;
and (2) heat treatment: introducing the iron-based material obtained in the previous step into a nitrogen source, a carbon source and an oxygen source environment in a volume ratio of 100:1.2:55; the nitrogen source is NH 3 The carbon source is CO; the oxygen source is H 2 O; the flow rate of the nitrogen source is 1.4m 3 A/min; performing heat treatment, wherein the process conditions are as follows: the heat treatment temperature is 525 ℃, the heat treatment time is 5 hours, the pressure is 110kPa, and the hard part is formedA chemical layer;
and (3) closing:
1. mixing 2-imidazole formaldehyde and dithioacetamide in N, N-dimethylformamide, placing the mixture at 150 ℃, stirring and refluxing the mixture for reaction for 240min; cooling, suction filtering, washing and drying to obtain the imidazole-thiazole compound; the molar ratio of the 2-imidazole formaldehyde to the dithioacetamide is 2.5:1; the ratio of the 2-imidazole formaldehyde to the N, N-dimethylformamide is 8g/100mL;
2. mixing 4-bromomethylbenzaldehyde and 2-acetylpyridine in absolute ethyl alcohol, regulating the temperature of the system to 2 ℃, adding potassium hydroxide and ammonia water, and mixing; heating to 150 ℃, reacting for 24 hours, and recovering room temperature to react for 60 minutes; filtering, washing and chromatography to obtain a terpyridine compound; the molar ratio of the 4-bromomethylbenzaldehyde to the 2-acetylpyridine is 1:1.9; the proportion of the 4-bromomethylbenzaldehyde and the absolute ethyl alcohol is 3g/100mL;
3. mixing an imidazole-thiazole compound and 3- (bromomethyl) phenyl carbamic acid tert-butyl ester in butyronitrile, stirring and heating to 40 ℃ for reaction for 33 hours; adding a terpyridine compound, heating to 60 ℃, and continuing to react for 38 hours; spin drying and column passing to obtain compound A; the mass ratio of the imidazole-thiazole compound to the 3- (bromomethyl) phenyl carbamic acid tert-butyl ester to the terpyridine compound is 10:10:16.3; the proportion of imidazole-thiazole compounds and butyronitrile is 10g/100mL;
mixing the compound A and trifluoroacetic acid in dichloromethane, and reacting for 9h; spin-drying, adding ethyl acetate, regulating pH of the system to 8.5 by using 5% sodium carbonate solution, extracting by using ethyl acetate, drying by using anhydrous magnesium sulfate, filtering, spin-drying, and passing through a column to obtain an aniline compound; the mass ratio of the compound A to the trifluoroacetic acid is 0.8:1; the ratio of the compound A to the dichloromethane is 7.5g/100mL;
4. placing the iron-based material obtained in the previous step in a sealing agent at the temperature of 30 ℃ for 7min; the sealing agent comprises the following components in mass percent: 10g/L sodium fluosilicate, 5g/L fluotitanic acid, 3.5g/L aniline compound, 0.5g/L gamma-methacryloxypropyl trimethoxysilane, 1.2 g/L2- (perfluorohexyl) ethyl methacrylate, and the pH of the blocking agent is 3.5; the temperature of the system is reduced to 2 ℃, ammonium persulfate (the dosage is 2 percent of the mass of the aniline compound) is added, and the treatment is carried out for 45 minutes; taking out, washing and drying to form a sealing layer, thus obtaining the iron-based material with the surface resistant to corrosion and abrasion.
Example 3: the surface corrosion-resistant and wear-resistant treatment process of the iron-based material comprises the following process steps:
step (1) infiltrating plating: mixing an iron-based material with a zincating agent, wherein the zincating agent comprises the following components in parts by mass: 100 parts of metallic zinc, 87 parts of aluminum oxide, 2.5 parts of ammonium chloride and 4 parts of cerium chloride; performing rotary zincating, wherein the process conditions are as follows: the zincification temperature is 420 ℃, the zincification time is 3 hours, and the rotating speed is 45r/min; the filling amount of the zinc impregnation agent is 90%; forming a seepage layer;
and (2) heat treatment: introducing the iron-based material obtained in the previous step into a nitrogen source, a carbon source and an oxygen source environment in a volume ratio of 100:1.5:60; the nitrogen source is NH3, and the carbon source is CO; the oxygen source is H2O; the flow rate of the nitrogen source is 1.8m 3 A/min; performing heat treatment, wherein the process conditions are as follows: the heat treatment temperature is 570 ℃, the heat treatment time is 4 hours, and the pressure is 130kPa, so that a hardening layer is formed;
and (3) closing:
1. mixing 2-imidazole formaldehyde and dithioacetamide in N, N-dimethylformamide, placing the mixture at 155 ℃ and stirring and refluxing the mixture for reaction for 230min; cooling, suction filtering, washing and drying to obtain the imidazole-thiazole compound; the molar ratio of the 2-imidazole formaldehyde to the dithioacetamide is 2.8:1; the ratio of the 2-imidazole formaldehyde to the N, N-dimethylformamide is 8g/100mL;
2. mixing 4-bromomethylbenzaldehyde and 2-acetylpyridine in absolute ethyl alcohol, regulating the temperature of the system to 0 ℃, adding potassium hydroxide and ammonia water, and mixing; heating to 155 ℃, reacting for 24 hours, and recovering room temperature to react for 70 minutes; filtering, washing and chromatography to obtain a terpyridine compound; the molar ratio of the 4-bromomethylbenzaldehyde to the 2-acetylpyridine is 1:2.0; the proportion of the 4-bromomethylbenzaldehyde and the absolute ethyl alcohol is 3g/100mL;
3. mixing an imidazole-thiazole compound and 3- (bromomethyl) phenyl carbamic acid tert-butyl ester in butyronitrile, stirring and heating to 45 ℃ for reaction for 36h; adding a terpyridine compound, heating to 65 ℃, and continuing to react for 40 hours; spin drying and column passing to obtain compound A; the mass ratio of the imidazole-thiazole compound to the 3- (bromomethyl) phenyl carbamic acid tert-butyl ester to the terpyridine compound is 10.6:10:17.1; the proportion of imidazole-thiazole compounds and butyronitrile is 10g/100mL;
mixing the compound A and trifluoroacetic acid in dichloromethane, and reacting for 10 hours; spin-drying, adding ethyl acetate, regulating the pH of the system to 9 by using 5% sodium carbonate solution, extracting by using ethyl acetate, drying by using anhydrous magnesium sulfate, filtering, spin-drying, and passing through a column to obtain an aniline compound; the mass ratio of the compound A to the trifluoroacetic acid is 0.8:1; the ratio of the compound A to the dichloromethane is 7.5g/100mL;
4. placing the iron-based material obtained in the previous step in a sealing agent at the temperature of 32 ℃ for 10min; the sealing agent comprises the following components in mass percent: 10g/L sodium fluosilicate, 6g/L fluotitanic acid, 5g/L aniline compound, 0.7g/L gamma-methacryloxypropyl trimethoxysilane, 1.6 g/L2- (perfluorohexyl) ethyl methacrylate, and the pH of the sealing agent is 4; the temperature of the system is reduced to 0 ℃, ammonium persulfate (the dosage is 2.5 percent of the mass of the aniline compound) is added, and the treatment is carried out for 60 minutes; taking out, washing and drying to form a sealing layer, thus obtaining the iron-based material with the surface resistant to corrosion and abrasion.
Comparative example 1: the surface corrosion-resistant and wear-resistant treatment process of the iron-based material comprises the following process steps:
and (3) closing:
1. mixing 2-imidazole formaldehyde and dithioacetamide in N, N-dimethylformamide, placing the mixture at 147 ℃ and stirring and refluxing the mixture for reaction for 270min; cooling, suction filtering, washing and drying to obtain the imidazole-thiazole compound; the molar ratio of the 2-imidazole formaldehyde to the dithioacetamide is 2.2:1; the ratio of the 2-imidazole formaldehyde to the N, N-dimethylformamide is 8g/100mL;
2. mixing an imidazole-thiazole compound and 3- (bromomethyl) phenyl carbamic acid tert-butyl ester in butyronitrile, stirring and heating to 35 ℃ for reaction for 60 hours; spin drying and column passing to obtain compound A; the mass ratio of the imidazole-thiazole compound to the 3- (bromomethyl) phenyl carbamic acid tert-butyl ester is 19.4:10; the proportion of imidazole-thiazole compounds and butyronitrile is 18g/100mL;
mixing the compound A and trifluoroacetic acid in dichloromethane, and reacting for 8 hours; spin-drying, adding ethyl acetate, regulating the pH of the system to 8 by using 5% sodium carbonate solution, extracting by using ethyl acetate, drying by using anhydrous magnesium sulfate, filtering, spin-drying, and passing through a column to obtain an aniline compound; the mass ratio of the compound A to the trifluoroacetic acid is 0.8:1; the ratio of the compound A to the dichloromethane is 7.5g/100mL;
3. placing the iron-based material obtained in the previous step in a sealing agent at the temperature of 27 ℃ for 5min; the sealing agent comprises the following components in mass percent: 10g/L sodium fluosilicate, 4g/L fluotitanic acid, 2g/L aniline compound, 0.35g/L gamma-methacryloxypropyl trimethoxysilane, 0.8 g/L2- (perfluorohexyl) ethyl methacrylate, and the pH of the sealing agent is 3; the temperature of the system is reduced to 5 ℃, ammonium persulfate (the dosage is 1.5 percent of the mass of the aniline compound) is added, and the treatment is carried out for 30 minutes; taking out, washing and drying to form a sealing layer, thus obtaining the iron-based material with the surface resistant to corrosion and abrasion.
Step (1-2) was the same as in example 1, to obtain an iron-based material having a corrosion-resistant and wear-resistant surface.
Comparative example 2: the surface corrosion-resistant and wear-resistant treatment process of the iron-based material comprises the following process steps:
and (3) closing:
placing the iron-based material obtained in the previous step in a sealing agent at the temperature of 27 ℃ for 5min; the sealing agent comprises the following components in mass percent: 10g/L sodium fluosilicate, 4g/L fluotitanic acid, 0.4g/L aniline, 0.35g/L gamma-methacryloxypropyl trimethoxysilane, 0.8 g/L2- (perfluorohexyl) ethyl methacrylate, and the pH of the sealing agent is 3; the temperature of the system is reduced to 5 ℃, ammonium persulfate (the dosage is 1.5 percent of the mass of the aniline compound) is added, and the treatment is carried out for 30 minutes; taking out, washing and drying to form a sealing layer, thus obtaining the iron-based material with the surface resistant to corrosion and abrasion.
Step (1-2) was the same as in example 1, to obtain an iron-based material having a corrosion-resistant and wear-resistant surface.
Comparative example 3: the surface corrosion-resistant and wear-resistant treatment process of the iron-based material comprises the following process steps:
and (3) closing:
placing the iron-based material obtained in the previous step in a sealing agent at the temperature of 27 ℃ for 5min; the sealing agent comprises the following components in mass percent: 10g/L sodium fluosilicate, 4g/L fluotitanic acid, 0.35g/L gamma-methacryloxypropyl trimethoxy silane, 0.8 g/L2- (perfluorohexyl) ethyl methacrylate, and the pH of the sealing agent is 3; the temperature of the system is reduced to 5 ℃, ammonium persulfate (the dosage is 1.5 percent of the mass of the aniline compound) is added, and the treatment is carried out for 30 minutes; taking out, washing and drying to form a sealing layer, thus obtaining the iron-based material with the surface resistant to corrosion and abrasion.
Step (1-2) was the same as in example 1, to obtain an iron-based material having a corrosion-resistant and wear-resistant surface.
Comparative example 4: the surface corrosion-resistant and wear-resistant treatment process of the iron-based material comprises the following process steps:
and (3) closing:
placing the iron-based material obtained in the previous step in a sealing agent at the temperature of 27 ℃ for 5min; the sealing agent comprises the following components in mass percent: 10g/L sodium fluosilicate and 4g/L fluotitanic acid, taking out, washing and drying the sealing agent, and forming a sealing layer to obtain the iron-based material with the surface corrosion and abrasion resistance.
Step (1-2) was the same as in example 1, to obtain an iron-based material having a corrosion-resistant and wear-resistant surface.
Comparative example 5: the surface corrosion-resistant and wear-resistant treatment process of the iron-based material comprises the following process steps:
step (1) infiltrating plating: mixing an iron-based material with a zincating agent, wherein the zincating agent comprises the following components in parts by mass: 100 parts of metallic zinc, 87 parts of aluminum oxide and 2.0 parts of ammonium chloride; performing rotary zincating, wherein the process conditions are as follows: the zincification temperature is 390 ℃, the zincification time is 4 hours, and the rotating speed is 15r/min; the filling amount of the zinc impregnation agent is 80%; forming a seepage layer;
step (2) is the same as step (3) in comparative example 4, and an iron-based material with a corrosion-resistant and wear-resistant surface is obtained.
Experiment: taking the iron-based materials with corrosion and wear resistant surfaces obtained in examples 1-3 and comparative examples 1-5, preparing test pieces, respectively detecting the performances of the test pieces and recording the detection results:
corrosion resistance test: taking ASTM B117 as a reference standard, carrying out salt spray test on a sample, wherein the test condition is that the temperature is 35 ℃, the humidity is 100%, and 5wt% sodium chloride solution is adopted for continuous spraying, and the test prevention position is 15 ℃ from the vertical direction; after 96 hours of test, recording the percentage of the corrosion area of the sample to the total area as a test index;
the method comprises the steps of adopting a three-electrode system, taking a sample as a working electrode, hg/Hg2SO4 as a reference electrode, platinum as an auxiliary electrode, taking 1M sulfuric acid solution as a test medium, detecting electrochemical performance of a sample surface layer, scanning at a rate of 1mV/s, measuring a self-corrosion potential of +/-250 mV within a test range, and measuring impedance at a frequency of 10 5 ～10 -2 Hz, ac signal amplitude 5mV;
abrasion resistance test: and (3) applying 60g of GCr15 grinding balls with the diameter of 6mm on the surface of the sample by adopting a frictional wear test method, carrying out wear for 5000 weeks, carrying out wear radius 6mm and linear speed 6cm/s, recording the mass difference of the sample before and after the test, and calculating the wear rate after the test.
From the data in the above table, the following conclusions can be clearly drawn:
the surface corrosion-resistant and wear-resistant iron-based materials obtained in examples 1 to 3 were compared with the surface corrosion-resistant and wear-resistant iron-based materials obtained in comparative examples 1 to 5, and it was found that,
compared with the comparative examples, the iron-based materials with corrosion and abrasion resistant surfaces obtained in examples 1-3 have higher corrosion potential and lower abrasion rate and corrosion area data, which fully demonstrate that the invention realizes the improvement of the corrosion and abrasion resistance of the iron-based materials.
In comparison with example 1, the preparation process of the aniline compound in comparative example 1 is different; the aniline compound was replaced with aniline in comparative example 2; the blocking agent of comparative example 3 was free of the addition of the component aniline compound; the blocking agent of comparative example 4 was free of aniline compound, γ -methacryloxypropyl trimethoxysilane and 2- (perfluorohexyl) ethyl methacrylate; in comparison with comparative example 4, the zinc-impregnation agent of comparative example 5 was not provided with cerium chloride as a component nor with a heat treatment process. The iron-based materials with corrosion and wear resistant surfaces obtained in comparative examples 1-5 have higher wear rates and corrosion areas and lower corrosion potentials, and the arrangement of the surface treatment process of the iron-based materials and the components used by the surface treatment process can promote the improvement of the corrosion and wear resistance of the iron-based materials.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process method article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process method article or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A corrosion-resistant and wear-resistant treatment process for the surface of an iron-based material is characterized in that: the method comprises the following process steps:
step (1) infiltrating plating: mixing an iron-based material with a zincating agent, and performing rotary zincating to form a zincating layer;
and (2) heat treatment: performing heat treatment on the iron-based material obtained in the previous step in a nitrogen source, carbon source and oxygen source environment to form a hardening layer;
and (3) closing: placing the iron-based material obtained in the previous step into a sealing agent, and performing sealing treatment to form a sealing layer to obtain the iron-based material with the surface resistant to corrosion and abrasion;
the sealing agent comprises the following components in parts by mass: 7-12 g/L fluorosilicate, 4-6 g/L fluotitanic acid, 2-5 g/L aniline compound, 0.35-0.7 g/L gamma-methacryloxypropyl trimethoxysilane, 0.8-1.6 g/L2- (perfluorohexyl) ethyl methacrylate, and the pH of the sealing agent is 3-4;
the aniline compound is prepared by the following process:
mixing 2-imidazole formaldehyde and dithioacetamide in N, N-dimethylformamide, placing the mixture at 147-155 ℃ and stirring and refluxing the mixture for reaction for 230-270 min to obtain an imidazole-thiazole compound;
mixing 4-bromomethylbenzaldehyde and 2-acetylpyridine in absolute ethyl alcohol, regulating the temperature of the system to 0-5 ℃, adding potassium hydroxide and ammonia water, and mixing; heating to 147-155 ℃, reacting for 24 hours, and recovering room temperature to react for 50-70 min to obtain the terpyridine compound;
mixing an imidazole-thiazole compound and 3- (bromomethyl) phenyl carbamic acid tert-butyl ester in butyronitrile, stirring and heating to 35-45 ℃ for reaction for 30-36 h; adding a terpyridine compound, heating to 55-65 ℃, and continuing to react for 36-40 h to obtain a compound A; mixing the compound A and trifluoroacetic acid in dichloromethane, and reacting for 8-10 h to obtain an aniline compound;
the step (3) comprises the following processes:
placing the iron-based material obtained in the previous step into a sealing agent at the temperature of 27-32 ℃ for 5-10 min; the temperature of the system is reduced to 0-5 ℃, ammonium persulfate APS is added, and the treatment is carried out for 30-60 min; taking out, washing and drying to obtain the iron-based material with the surface resistant to corrosion and abrasion.
2. The surface corrosion and wear resistant treatment process for an iron-based material according to claim 1, wherein: the technological conditions of rotary zincating are as follows: the zincification temperature is 390-420 ℃, the zincification time is 3-4 h, and the rotating speed is 15-45 r/min;
the filling amount of the zinc impregnation agent is 80-90%.
3. The surface corrosion and wear resistant treatment process for an iron-based material according to claim 1, wherein: the zinc impregnation agent comprises the following components in parts by mass: 100 parts of metallic zinc, 5-94 parts of alumina, 2.0-2.5 parts of ammonium chloride and 2-4 parts of cerium chloride.
4. The surface corrosion and wear resistant treatment process for an iron-based material according to claim 1, wherein: the ratio of the introduced volume of the nitrogen source, the carbon source and the oxygen source is 100 (1.0-1.5) (50-60).
5. The surface corrosion and wear resistant treatment process for an iron-based material according to claim 1, wherein: the heat treatment process conditions are as follows: the heat treatment temperature is 480-570 ℃, the heat treatment time is 4-7 h, and the pressure is 93-130 kPa.
6. The surface corrosion and wear resistant treatment process for an iron-based material according to claim 1, wherein: the molar ratio of the 2-imidazole formaldehyde to the dithioacetamide is (2.2-2.8): 1.
7. The surface corrosion and wear resistant treatment process for an iron-based material according to claim 1, wherein: the mass ratio of the imidazole-thiazole compound to the 3- (bromomethyl) phenyl carbamic acid tert-butyl ester to the terpyridine compound is (9.7-10.6) 10 (15.6-17.1).
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| CN115433897A (en) * | 2022-09-19 | 2022-12-06 | 平顶山市美伊金属制品有限公司 | Surface treatment process for steel-based material |
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| CN1032439A (en) * | 1987-09-30 | 1989-04-19 | 菲泽有限公司 | A kind of preparation method of platelet-activating factor antagonist |
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| CN105112833A (en) * | 2015-09-17 | 2015-12-02 | 昆明理工大学 | Sealing agent for thermal permeation for mechanically zinc-plated iron-steel parts |
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