JP7435161B2 - 金属複合焼結体の製造方法 - Google Patents
金属複合焼結体の製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 238000000034 method Methods 0.000 claims description 37
- 229910052751 metal Inorganic materials 0.000 claims description 33
- 239000002184 metal Substances 0.000 claims description 32
- 238000011282 treatment Methods 0.000 claims description 29
- 238000005238 degreasing Methods 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 22
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- 239000002131 composite material Substances 0.000 claims description 17
- 238000005245 sintering Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000001746 injection moulding Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 description 13
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- 239000007789 gas Substances 0.000 description 9
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
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- 238000004898 kneading Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
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- 238000009792 diffusion process Methods 0.000 description 3
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
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- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910019589 Cr—Fe Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910017709 Ni Co Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910003267 Ni-Co Inorganic materials 0.000 description 1
- 229910003271 Ni-Fe Inorganic materials 0.000 description 1
- 229910003262 Ni‐Co Inorganic materials 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910000883 Ti6Al4V Inorganic materials 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 239000004164 Wax ester Substances 0.000 description 1
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- 150000001408 amides Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- -1 and Sm Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007561 laser diffraction method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002646 long chain fatty acid esters Chemical class 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
- 235000019386 wax ester Nutrition 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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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
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional 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
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
- B22F3/1021—Removal of binder or filler
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Description
1.金属複合焼結体の構成
本実施形態では、第1成形体および第2成形体の2つの部材から成る金属複合焼結体1を例示する。なお、本発明の金属複合焼結体は2つの部材から成ることに限定されず、3つ以上の部材から成るものであってもよい。また、本発明の金属複合焼結体の形状は、以下に例示する形状に限定されるものではない。以下、実施形態に係る金属複合焼結体1の構成について図1を参照して説明する。
本実施形態に係る金属複合焼結体1の製造方法について、図2、図3および図4を参照して説明する。ここで、図3および図4は、第1成形体10および第2成形体20が組み立てられる前の部材単体の状態を示す。また、図3および図4では、上述した第1成形体10および第2成形体20の回転中心軸を含み、XZ平面に沿う断面を示している。
Claims (5)
- 金属粉末とバインダーとの混錬物から、第1成形体および第2成形体を射出成形する成形工程と、
前記第1成形体と前記第2成形体とを、溶媒脱脂処理を行わずに嵌合させて複合体とする組立工程と、
前記複合体に対して、加熱脱脂処理および焼結処理を施す加熱工程と、を備え、
前記第1成形体および前記第2成形体は、前記第1成形体の内部に前記第2成形体が没入して互いに嵌合する嵌合部を有し、
前記第1成形体の嵌合部および前記第2成形体の嵌合部のうち少なくとも一方は、テーパー形状を有し、
前記組立工程において、前記第2成形体が没入される前記第1成形体の前記嵌合部の直径を距離L1とし、前記没入する前記第2成形体の前記嵌合部の直径を距離L2としたときに、前記第1成形体の嵌合部と前記第2成形体の嵌合部とが嵌合するときの最大噛み合い{(L2-L1)/2}は、0.002mm以上0.010mm以下であり、
前記混錬物における前記バインダーの含有量は、前記混錬物の総量に対して、2質量%以上20質量%以下であることを特徴とする金属複合焼結体の製造方法。 - 前記第1成形体の嵌合部に対する前記第2成形体の嵌合部における勾配角の差は、0.5°以上5.0°以下である、請求項1に記載の金属複合焼結体の製造方法。
- 前記第1成形体の嵌合部および前記第2成形体の嵌合部には、前記組立工程における嵌合時のずれを防ぐ位置決め部が夫々設けられる、請求項1または請求項2に記載の金属複 合焼結体の製造方法。
- 前記加熱脱脂処理は、400℃以上550℃以下の加熱を、30分間以上6時間以下の範囲で施す、請求項1から請求項3のいずれか1項に記載の金属複合焼結体の製造方法。
- 前記焼結処理は、900℃以上1500℃以下の加熱を、30分間以上8時間以下の範囲で施す、請求項1から請求項4のいずれか1項に記載の金属複合焼結体の製造方法。
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JP2020059819A JP7435161B2 (ja) | 2020-03-30 | 2020-03-30 | 金属複合焼結体の製造方法 |
US17/215,388 US20210299748A1 (en) | 2020-03-30 | 2021-03-29 | Method For Manufacturing Metal Composite Sintered Body |
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JP2020059819A JP7435161B2 (ja) | 2020-03-30 | 2020-03-30 | 金属複合焼結体の製造方法 |
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JP2021155830A JP2021155830A (ja) | 2021-10-07 |
JP7435161B2 true JP7435161B2 (ja) | 2024-02-21 |
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JP (1) | JP7435161B2 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008121055A (ja) | 2006-11-10 | 2008-05-29 | Hitachi Powdered Metals Co Ltd | 複合焼結機械部品の製造方法 |
WO2015056513A1 (ja) | 2013-10-15 | 2015-04-23 | 株式会社Ihi | 金属粉末射出成型体の接合方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3212111B2 (ja) * | 1991-10-17 | 2001-09-25 | 日立粉末冶金株式会社 | 複合焼結部品の製造方法 |
JPH05179312A (ja) * | 1992-01-07 | 1993-07-20 | Seiko Epson Corp | 複数の成形体で構成される焼結部品の製造方法 |
JPH05208405A (ja) * | 1992-01-31 | 1993-08-20 | Tokin Corp | 複合焼結体及びその製造方法 |
JP3005368B2 (ja) * | 1992-08-25 | 2000-01-31 | 松下電工株式会社 | 粉末焼結品の製造方法 |
GB2343682B (en) * | 1998-09-16 | 2001-03-14 | Hitachi Powdered Metals | Manufacturing method of sintered composite machine component having inner part and outer part |
US10226818B2 (en) * | 2009-03-20 | 2019-03-12 | Pratt & Whitney Canada Corp. | Process for joining powder injection molded parts |
JP6848521B2 (ja) * | 2017-02-24 | 2021-03-24 | セイコーエプソン株式会社 | 金属粉末射出成形用コンパウンド、焼結体の製造方法および焼結体 |
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- 2020-03-30 JP JP2020059819A patent/JP7435161B2/ja active Active
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- 2021-03-29 US US17/215,388 patent/US20210299748A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008121055A (ja) | 2006-11-10 | 2008-05-29 | Hitachi Powdered Metals Co Ltd | 複合焼結機械部品の製造方法 |
WO2015056513A1 (ja) | 2013-10-15 | 2015-04-23 | 株式会社Ihi | 金属粉末射出成型体の接合方法 |
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JP2021155830A (ja) | 2021-10-07 |
US20210299748A1 (en) | 2021-09-30 |
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