JP2018508652A - 耐食性物品および製造方法 - Google Patents
耐食性物品および製造方法 Download PDFInfo
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- JP2018508652A JP2018508652A JP2017536015A JP2017536015A JP2018508652A JP 2018508652 A JP2018508652 A JP 2018508652A JP 2017536015 A JP2017536015 A JP 2017536015A JP 2017536015 A JP2017536015 A JP 2017536015A JP 2018508652 A JP2018508652 A JP 2018508652A
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- 238000005260 corrosion Methods 0.000 title description 31
- 230000007797 corrosion Effects 0.000 title description 31
- 238000004519 manufacturing process Methods 0.000 title description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 82
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 79
- 239000000956 alloy Substances 0.000 claims abstract description 79
- 239000011159 matrix material Substances 0.000 claims abstract description 62
- 229910052742 iron Inorganic materials 0.000 claims abstract description 41
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000003801 milling Methods 0.000 claims abstract description 20
- 239000010936 titanium Substances 0.000 claims abstract description 18
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 17
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000000137 annealing Methods 0.000 claims abstract description 9
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 9
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000007596 consolidation process Methods 0.000 claims abstract description 7
- 230000000930 thermomechanical effect Effects 0.000 claims abstract description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 33
- 239000011651 chromium Substances 0.000 claims description 32
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 31
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 31
- 229910052804 chromium Inorganic materials 0.000 claims description 31
- 239000011733 molybdenum Substances 0.000 claims description 31
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 29
- 239000000843 powder Substances 0.000 claims description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 21
- 229910052759 nickel Inorganic materials 0.000 claims description 16
- 239000002131 composite material Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 229910052721 tungsten Inorganic materials 0.000 claims description 9
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 8
- 238000005242 forging Methods 0.000 claims description 7
- 238000001513 hot isostatic pressing Methods 0.000 claims description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 7
- 239000010937 tungsten Substances 0.000 claims description 7
- 238000010273 cold forging Methods 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 description 20
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 230000002051 biphasic effect Effects 0.000 description 14
- 239000002994 raw material Substances 0.000 description 12
- 239000002585 base Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000005275 alloying Methods 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910000601 superalloy Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010316 high energy milling Methods 0.000 description 2
- 229910001337 iron nitride Inorganic materials 0.000 description 2
- 238000005551 mechanical alloying Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910017060 Fe Cr Inorganic materials 0.000 description 1
- 229910002544 Fe-Cr Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910017315 Mo—Cu Inorganic materials 0.000 description 1
- 229910003296 Ni-Mo Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- QRVBPFUUACXMQU-UHFFFAOYSA-N [Mo].[Fe].[Cr] Chemical compound [Mo].[Fe].[Cr] QRVBPFUUACXMQU-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- JZQOJFLIJNRDHK-CMDGGOBGSA-N alpha-irone Chemical compound CC1CC=C(C)C(\C=C\C(C)=O)C1(C)C JZQOJFLIJNRDHK-CMDGGOBGSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000001996 bearing alloy Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007739 conversion coating Methods 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910001175 oxide dispersion-strengthened alloy Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000012720 thermal barrier coating Substances 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
- B22F3/15—Hot isostatic pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/17—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
-
- 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
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
- C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
- C22C32/0026—Matrix based on Ni, Co, Cr or alloys thereof
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
- C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
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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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/004—Dispersions; Precipitations
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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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
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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
- C21D2241/00—Treatments in a special environment
- C21D2241/01—Treatments in a special environment under pressure
- C21D2241/02—Hot isostatic pressing
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
110 表面
120 周囲環境
130 最外表面
140 外層
Claims (20)
-
二相ナノ構造化フェライト合金を含む表面(110)を備えた物品(100)であって
、前記合金が鉄含有合金マトリックス中に配置される複数のナノ形状体を含んでおり、
前記複数のナノ形状体が複合酸化物粒子を含み、前記複合酸化物粒子がイットリウムお
よびチタンを含んでおり、
前記鉄含有合金マトリックスがフェライト相およびオーステナイト相の両方を含み、
前記二相ナノ構造化フェライト合金中のχ相またはσ相の濃度が、約5体積パーセント未
満である、物品(100)。
-
前記鉄含有合金マトリックス中の前記フェライト相が、前記マトリックスの約10体積
パーセント〜約50体積パーセントの範囲である、請求項1に記載の物品(100)。
-
前記鉄含有合金マトリックス中の前記オーステナイト相が、前記マトリックスの約50
体積パーセント〜約90体積パーセントの範囲である、請求項1に記載の物品(100)
。
-
前記χ相および前記σ相の総濃度が、約5体積パーセント未満である、請求項1に記載
の物品(100)。
-
前記二相ナノ構造化フェライト合金表面(110)中のチタン濃度が、約0.15重量
%〜約2重量%の範囲である、請求項1に記載の物品(100)。
-
前記マトリックス相が、約20重量パーセント〜約27重量パーセントの量でクロムを
含む、請求項1に記載の物品(100)。
-
前記マトリックス相が、約5重量パーセント〜約8重量パーセントの量でニッケルを含
む、請求項1に記載の物品(100)。
-
前記マトリックス相が、約1重量パーセント〜約5重量パーセントの量でモリブデンを
含む、請求項1に記載の物品(100)。
-
前記マトリックス相が、約0.2重量パーセント〜約0.3重量パーセントの量で窒素
含む、請求項1に記載の物品(100)。
-
前記マトリックス相が、約1重量パーセント未満の量でタングステンを含む、請求項1
に記載の物品(100)。
-
前記表面(110)が、χ相を実質的に含まない、請求項1に記載の物品(100)。
- 前記表面(110)が、σ相を実質的に含まない、請求項1に記載の物品
(100)。
-
前記ナノ形状体が、約1ナノメートル〜約50ナノメートルの範囲の平均サイズを有す
る、請求項1に記載の物品(100)。
-
前記ナノ形状体が、1立方メートル当たり約1021個〜1024個の範囲の数密度である
二相ナノ構造化フェライト合金を有する、請求項1に記載の物品(100)。
-
前記マトリックスの結晶粒径が、約0.2マイクロメートル〜約1マイクロメートルの
範囲である、請求項1に記載の物品(100)。
-
酸化イットリウムの存在下で、前記酸化イットリウムが合金の中に実質的に固溶するま
で、鉄含有合金粉末をミリングすること、
前記粉末を熱機械的に圧密化して構成部品を形成すること、
前記圧密化された構成部品を焼きなましして、焼きなましされた構成部品を形成するこ
と、
前記焼きなましされた構成部品を冷却して、加工された構成部品を形成すること、
を含む方法であって、
前記加工された構成部品が、二相ナノ構造化フェライト合金を含む表面(110)を有
する構成部品であって、前記二相ナノ構造化フェライト合金が、
鉄含有合金マトリックス内に配置される複数のナノ形状体を含み、前記複数のナノ形状
体が複合酸化物粒子を含み、前記複合酸化物粒子がイットリウムおよびチタンを含み、か
つ
前記マトリックスが、フェライト相およびオーステナイト相の両方を含む、二相ナノ構
造化フェライト合金であって、
前記表面(110)における前記二相ナノ構造化フェライト合金中のχ相またはσ相の
濃度が、約5体積パーセント未満であり、ならびに
前記焼なまし工程が、χ相およびσ相のソルバス温度よりも上の温度で実施される、方
法。
-
前記熱機械的圧密化工程が、熱間等方圧加圧、押出、熱間鍛造、冷間鍛造、圧粉成形、
またはこれらのいずれかの組み合わせを含む、請求項16に記載の方法。
-
クロム濃度が約20重量パーセント〜約27重量パーセントの範囲、ニッケル濃度が約
5重量パーセント〜約8重量パーセントの範囲、モリブデン濃度が約1重量パーセント〜
約5重量パーセントの範囲、窒素濃度が約0.2重量パーセント〜約0.3重量パーセン
トの範囲、タングステン濃度が約1重量パーセント未満である、請求項16に記載の方法
。
-
前記表面(110)が、χ相を実質的に含まない、請求項16に記載の方法。
-
前記表面(110)が、σ相を実質的に含まない、請求項16に記載の方法。
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PCT/US2016/012977 WO2016118358A1 (en) | 2015-01-20 | 2016-01-12 | Corrosion resistant article and methods of making |
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EP (1) | EP3247517A1 (ja) |
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CN111020347B (zh) * | 2019-12-30 | 2021-08-17 | 广州航海学院 | 一种高致密复相合金材料及其制备方法 |
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JPS62222043A (ja) * | 1986-03-24 | 1987-09-30 | Sumitomo Metal Ind Ltd | 二相系ステンレス鋼の製造方法 |
JPH04160133A (ja) * | 1990-10-23 | 1992-06-03 | Kobe Steel Ltd | 分散強化型耐熱合金の製造方法 |
JP2002241838A (ja) * | 2001-02-13 | 2002-08-28 | Sumitomo Metal Ind Ltd | 二相ステンレス鋼管の製造方法 |
JP2005520934A (ja) * | 2002-03-25 | 2005-07-14 | パク,ヨン−ソ | 金属間相の形成が抑制された耐食性、耐脆化性、鋳造性及び熱間加工性に優れたスーパー二相ステンレス鋼 |
JP2011122246A (ja) * | 2009-12-14 | 2011-06-23 | General Electric Co <Ge> | ナノ構造化フェライト合金の加工処理方法並びに製品 |
JP2011219863A (ja) * | 2010-04-09 | 2011-11-04 | General Electric Co <Ge> | 多元合金物品及びその製造方法 |
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RU2307183C2 (ru) * | 2005-11-24 | 2007-09-27 | Институт физики металлов Уральского отделения Российской академии наук | Способ получения упрочняемого оксидами композиционного материала на основе железа |
US7905965B2 (en) * | 2006-11-28 | 2011-03-15 | General Electric Company | Method for making soft magnetic material having fine grain structure |
US20120107603A1 (en) * | 2010-10-29 | 2012-05-03 | General Electric Company | Article formed using nanostructured ferritic alloy |
US20150004043A1 (en) * | 2013-06-28 | 2015-01-01 | General Electric Company | Precipitate strengthened nanostructured ferritic alloy and method of forming |
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JPS62222043A (ja) * | 1986-03-24 | 1987-09-30 | Sumitomo Metal Ind Ltd | 二相系ステンレス鋼の製造方法 |
JPH04160133A (ja) * | 1990-10-23 | 1992-06-03 | Kobe Steel Ltd | 分散強化型耐熱合金の製造方法 |
JP2002241838A (ja) * | 2001-02-13 | 2002-08-28 | Sumitomo Metal Ind Ltd | 二相ステンレス鋼管の製造方法 |
JP2005520934A (ja) * | 2002-03-25 | 2005-07-14 | パク,ヨン−ソ | 金属間相の形成が抑制された耐食性、耐脆化性、鋳造性及び熱間加工性に優れたスーパー二相ステンレス鋼 |
JP2011122246A (ja) * | 2009-12-14 | 2011-06-23 | General Electric Co <Ge> | ナノ構造化フェライト合金の加工処理方法並びに製品 |
JP2011219863A (ja) * | 2010-04-09 | 2011-11-04 | General Electric Co <Ge> | 多元合金物品及びその製造方法 |
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US20160207110A1 (en) | 2016-07-21 |
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WO2016118358A1 (en) | 2016-07-28 |
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