JP6788669B2 - アルミニウム及びアルミニウム合金の粉末成形方法 - Google Patents
アルミニウム及びアルミニウム合金の粉末成形方法 Download PDFInfo
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- JP6788669B2 JP6788669B2 JP2018520554A JP2018520554A JP6788669B2 JP 6788669 B2 JP6788669 B2 JP 6788669B2 JP 2018520554 A JP2018520554 A JP 2018520554A JP 2018520554 A JP2018520554 A JP 2018520554A JP 6788669 B2 JP6788669 B2 JP 6788669B2
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- powder
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- aluminum
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- molding method
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- 239000000843 powder Substances 0.000 title claims description 131
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 113
- 238000000034 method Methods 0.000 title claims description 85
- 229910000838 Al alloy Inorganic materials 0.000 title claims description 63
- 238000000465 moulding Methods 0.000 title claims description 49
- 238000005245 sintering Methods 0.000 claims description 131
- 229910052782 aluminium Inorganic materials 0.000 claims description 69
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 62
- 238000005238 degreasing Methods 0.000 claims description 52
- 239000007789 gas Substances 0.000 claims description 49
- 239000000956 alloy Substances 0.000 claims description 43
- 229910045601 alloy Inorganic materials 0.000 claims description 42
- 239000011230 binding agent Substances 0.000 claims description 39
- 229910052786 argon Inorganic materials 0.000 claims description 31
- 238000001746 injection moulding Methods 0.000 claims description 30
- 239000012298 atmosphere Substances 0.000 claims description 25
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 17
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 17
- 239000011777 magnesium Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- 229910052749 magnesium Inorganic materials 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 238000000280 densification Methods 0.000 claims description 12
- 239000011812 mixed powder Substances 0.000 claims description 12
- 239000012779 reinforcing material Substances 0.000 claims description 12
- 239000007790 solid phase Substances 0.000 claims description 11
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 10
- 238000000748 compression moulding Methods 0.000 claims description 10
- 229920001169 thermoplastic Polymers 0.000 claims description 8
- 239000004416 thermosoftening plastic Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 5
- 238000005275 alloying Methods 0.000 claims description 5
- 229910018134 Al-Mg Inorganic materials 0.000 claims description 4
- 229910018467 Al—Mg Inorganic materials 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000010881 fly ash Substances 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- 150000001247 metal acetylides Chemical class 0.000 claims description 4
- 150000004767 nitrides Chemical class 0.000 claims description 4
- 238000000638 solvent extraction Methods 0.000 claims description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 4
- 229910001887 tin oxide Inorganic materials 0.000 claims description 4
- 238000000304 warm extrusion Methods 0.000 claims description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 3
- 238000000194 supercritical-fluid extraction Methods 0.000 claims description 3
- 229910018594 Si-Cu Inorganic materials 0.000 claims description 2
- 229910008465 Si—Cu Inorganic materials 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 claims 1
- 229920000098 polyolefin Polymers 0.000 claims 1
- 238000009864 tensile test Methods 0.000 description 33
- 239000000047 product Substances 0.000 description 31
- 230000008569 process Effects 0.000 description 26
- 238000010438 heat treatment Methods 0.000 description 25
- 239000002245 particle Substances 0.000 description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 21
- 229910001873 dinitrogen Inorganic materials 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 18
- 238000002347 injection Methods 0.000 description 16
- 239000007924 injection Substances 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 13
- 239000002131 composite material Substances 0.000 description 13
- -1 that is Chemical compound 0.000 description 13
- 239000001993 wax Substances 0.000 description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 11
- 239000010949 copper Substances 0.000 description 11
- 239000001301 oxygen Substances 0.000 description 11
- 229910052760 oxygen Inorganic materials 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 239000004698 Polyethylene Substances 0.000 description 10
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- 229920000573 polyethylene Polymers 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- 238000004663 powder metallurgy Methods 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 238000001739 density measurement Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 229910010271 silicon carbide Inorganic materials 0.000 description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000004200 microcrystalline wax Substances 0.000 description 4
- 235000019808 microcrystalline wax Nutrition 0.000 description 4
- 239000012188 paraffin wax Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- ZMAIVKIYUIAWSA-UHFFFAOYSA-N 4-amino-4-methylpent-2-ynal Chemical compound CC(C)(N)C#CC=O ZMAIVKIYUIAWSA-UHFFFAOYSA-N 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229910001026 inconel Inorganic materials 0.000 description 2
- 229910001512 metal fluoride Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000003380 propellant Substances 0.000 description 2
- 239000003870 refractory metal Substances 0.000 description 2
- 239000011863 silicon-based powder Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910018464 Al—Mg—Si Inorganic materials 0.000 description 1
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- RAPBNVDSDCTNRC-UHFFFAOYSA-N Chlorobenzilate Chemical compound C=1C=C(Cl)C=CC=1C(O)(C(=O)OCC)C1=CC=C(Cl)C=C1 RAPBNVDSDCTNRC-UHFFFAOYSA-N 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910017818 Cu—Mg Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229940123973 Oxygen scavenger Drugs 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- CAVCGVPGBKGDTG-UHFFFAOYSA-N alumanylidynemethyl(alumanylidynemethylalumanylidenemethylidene)alumane Chemical compound [Al]#C[Al]=C=[Al]C#[Al] CAVCGVPGBKGDTG-UHFFFAOYSA-N 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 208000028626 extracranial carotid artery aneurysm Diseases 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 150000004673 fluoride salts Chemical class 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- RYZCLUQMCYZBJQ-UHFFFAOYSA-H lead(2+);dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Pb+2].[Pb+2].[Pb+2].[O-]C([O-])=O.[O-]C([O-])=O RYZCLUQMCYZBJQ-UHFFFAOYSA-H 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052725 zinc 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
- 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
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/102—Metallic powder coated with organic material
-
- 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
- B22F3/10—Sintering only
- B22F3/1003—Use of special medium during sintering, e.g. sintering aid
- B22F3/1007—Atmosphere
-
- 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
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
- B22F3/1021—Removal of binder or filler
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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
- 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
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
- B22F3/1021—Removal of binder or filler
- B22F3/1025—Removal of binder or filler not by heating only
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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
- 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
-
- 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
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
-
- 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
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/227—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by organic binder assisted extrusion
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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
- B22F5/009—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine components other than turbine blades
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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
- B22F5/04—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
-
- 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
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
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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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/008—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression characterised by the composition
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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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0408—Light metal alloys
- C22C1/0416—Aluminium-based alloys
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- C—CHEMISTRY; METALLURGY
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Description
Claims (15)
- アルミニウム粉末またはアルミニウム合金粉末、及びカルボニル基を有するポリオレフイン共重合体を含むワックス系熱可塑性有機結合剤を混錬して、フィードストックを準備するフィードストック準備段階と、
前記フィードストックを成形する成形段階と、
前記成形された成形体から0.1〜20L/minの流量で露点が−40℃以下であるアルゴンガスを流しながら有機結合剤を除去する脱脂段階と、
前記脱脂された脱脂体を0.1〜20L/minの流量で露点が−40℃以下であるアルゴンガスを流しながらアルゴンガス雰囲気下で焼結して緻密化を成す焼結段階と、
を含み、
前記脱脂段階及び焼結段階は、同じ炉でアルゴンガス雰囲気下で単一工程で行って、成形体に含まれた有機結合剤を除去し、焼結することを特徴とする粉末成形方法。 - 前記ワックス系熱可塑性有機結合剤は、ワックス系熱可塑性有機結合剤全重量に対して、カルボニル基を有するポリオレフイン共重合体を3〜30重量%になるように含むことを特徴とする請求項1に記載の粉末成形方法。
- 前記カルボニル基を有するポリオレフイン共重合体は、無水マレイン酸グラフトポリエチレンであることを特徴とする請求項1または2に記載の粉末成形方法。
- 前記アルミニウム粉末またはアルミニウム合金粉末の平均直径は、1〜20μmであることを特徴とする請求項1に記載の粉末成形方法。
- 前記アルミニウム合金は、マグネシウム含量が0.5重量%以上であるAl−Cu−Mg−(Mn)(AA2xxx)系、Al−Mg(AA5xxx系)、Al−Mg−Si−Cu(AA6xxx)系、及びAl−Zn−Mg−(Cu)(AA7xxx)系からなる群から選択された1つの商用アルミニウム合金組成物であるか、アルミニウム合金総量100重量%に対して、Mg 0.5〜8重量%、Zn 0〜8重量%、Cu 0.1〜3重量%、Si 0〜5重量%、Ni 0〜5重量%、Fe 0〜0.3重量%、Mn 0〜1重量%、Zr 0〜0.5重量%、Cr 0〜0.5重量%、Ag 0〜2重量%、Sc 0〜0.5重量%、Li 0〜2重量%、そして、残りがアルミニウムからなる組成物であることを特徴とする請求項1に記載の粉末成形方法。
- 前記アルミニウム合金粉末は、合金化された溶解状態で噴霧されて作られた合金粉末であるか、純粋なアルミニウムと他の合金元素粉末または他の合金元素の添加のためのマスター合金粉末とが混合された混合粉末であることを特徴とする請求項1に記載の粉末成形方法。
- 前記アルミニウム合金粉末全重量に対して、錫を0.1〜3重量%になるようにさらに含むことを特徴とする請求項1に記載の粉末成形方法。
- 前記アルミニウム合金粉末100全重量に対して、酸化錫(SnO)を0.3〜5重量%になるようにさらに含むことを特徴とする請求項1に記載の粉末成形方法。
- 前記成形段階は、粉末射出成形、温間圧縮成形、及び温間押出成形からなる群から選択された方法によって行うことを特徴とする請求項1に記載の粉末成形方法。
- 前記脱脂段階は、溶媒抽出または超臨界流体抽出による部分脱脂とアルゴンガス雰囲気下での加熱脱脂とで連続してなされることを特徴とする請求項1に記載の粉末成形方法。
- 前記アルミニウム粉末を原料とした成形体の焼結温度は、630〜655℃であることを特徴とする請求項1に記載の粉末成形方法。
- 前記アルミニウム合金粉末で合金総100重量%に対して、添加された合金元素の総含量が0.5〜12重量%であるアルミニウム合金粉末を原料とした成形体の焼結温度は、固相線温度以上から液相が合金総体積100体積%に対して、30体積%に存在する温度範囲内であることを特徴とする請求項1に記載の粉末成形方法。
- 前記アルミニウム合金粉末は、SiC、B4C、TiC、及びWCからなる群から選択された炭化物、Si3N4、AlN、TiN、c−BN、及びh−BNからなる群から選択された窒化物、Al2O3、SiO2、Y2O3、フライアッシュ、及びZrO2からなる群から選択された酸化物、MoS2を含んだ硫化物、TiB2を含んだホウ化物、WまたはMoから選択された耐熱金属の粉末や短繊維あるいはウィスカー、ポリカーボン、黒鉛、炭素ナノチューブ、グラフェン、及びダイヤモンドからなる群から選択した1つ以上の補強材をさらに含むことを特徴とする請求項1に記載の粉末成形方法。
- 前記補強材の平均直径は、0.05〜40μmであることを特徴とする請求項13に記載の粉末成形方法。
- 前記補強材は、アルミニウム合金粉末全重量に対して、0.1〜30重量%になるように含ませることを特徴とする請求項13に記載の粉末成形方法。
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JPH04293703A (ja) * | 1991-03-19 | 1992-10-19 | Fujitsu Ltd | 複合材料およびその製造方法 |
JPH05320708A (ja) * | 1992-01-10 | 1993-12-03 | Kawasaki Steel Corp | 焼結性粉末射出成形用バインダおよび組成物 |
JP4206476B2 (ja) * | 2003-03-26 | 2009-01-14 | 独立行政法人産業技術総合研究所 | アルミニウム焼結材の製造方法 |
JP5176196B2 (ja) * | 2006-11-29 | 2013-04-03 | 独立行政法人産業技術総合研究所 | 金属粉末射出成形法による高密度アルミニウム焼結材の製造方法 |
KR101049735B1 (ko) * | 2009-10-21 | 2011-07-19 | 주식회사 기노리 | 인서트 사출성형을 이용한 원 벌브형 세라믹 아크튜브 제조방법 |
JP5439194B2 (ja) * | 2010-01-05 | 2014-03-12 | 株式会社アテクト | 有機バインダの製造方法および有機バインダ |
KR101202462B1 (ko) * | 2010-05-13 | 2012-11-16 | 한국피아이엠(주) | 내열강 부품 및 그 제조방법 |
JP5760338B2 (ja) * | 2010-06-25 | 2015-08-05 | セイコーエプソン株式会社 | 粉末冶金用バインダー組成物、粉末冶金用コンパウンドおよび焼結体 |
KR101223750B1 (ko) * | 2010-09-29 | 2013-02-05 | 한국피아이엠(주) | 중공형 부품 및 그 제조방법 |
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WO2017069525A1 (ko) | 2017-04-27 |
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