JPH0581655B2 - - Google Patents
Info
- Publication number
- JPH0581655B2 JPH0581655B2 JP62037713A JP3771387A JPH0581655B2 JP H0581655 B2 JPH0581655 B2 JP H0581655B2 JP 62037713 A JP62037713 A JP 62037713A JP 3771387 A JP3771387 A JP 3771387A JP H0581655 B2 JPH0581655 B2 JP H0581655B2
- Authority
- JP
- Japan
- Prior art keywords
- stainless steel
- weight
- steel powder
- nickel
- tin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000654 additive Substances 0.000 claims description 41
- 239000000843 powder Substances 0.000 claims description 34
- 229910001220 stainless steel Inorganic materials 0.000 claims description 33
- 239000010935 stainless steel Substances 0.000 claims description 31
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 30
- 238000005245 sintering Methods 0.000 claims description 27
- 238000005260 corrosion Methods 0.000 claims description 26
- 230000007797 corrosion Effects 0.000 claims description 26
- 230000000996 additive effect Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 16
- 229910052759 nickel Inorganic materials 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000011812 mixed powder Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 239000000314 lubricant Substances 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000009692 water atomization Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- HGPXWXLYXNVULB-UHFFFAOYSA-M lithium stearate Chemical compound [Li+].CCCCCCCCCCCCCCCCCC([O-])=O HGPXWXLYXNVULB-UHFFFAOYSA-M 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000004663 powder metallurgy Methods 0.000 description 3
- 239000010964 304L stainless steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- CXOWYMLTGOFURZ-UHFFFAOYSA-N azanylidynechromium Chemical compound [Cr]#N CXOWYMLTGOFURZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000008313 sensitization Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 229910000669 Chrome steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 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
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- 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
- C22C33/0207—Using a mixture of prealloyed powders or a master alloy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19883807791 DE3807791A1 (de) | 1987-02-20 | 1988-03-09 | Zuendverteiler fuer einen verbrennungsmotor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US832292 | 1986-02-21 | ||
| US06/832,292 US4662939A (en) | 1986-02-21 | 1986-02-21 | Process and composition for improved corrosion resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62235458A JPS62235458A (ja) | 1987-10-15 |
| JPH0581655B2 true JPH0581655B2 (US20030220297A1-20031127-C00009.png) | 1993-11-15 |
Family
ID=25261246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62037713A Granted JPS62235458A (ja) | 1986-02-21 | 1987-02-20 | ステンレス鋼粉末成形体およびそれを製造する方法 |
Country Status (7)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5468193A (en) * | 1990-10-25 | 1995-11-21 | Sumitomo Heavy Industries, Ltd. | Inscribed planetary gear device having powder injection molded external gear |
| US5476248A (en) * | 1992-08-03 | 1995-12-19 | Japan Metals & Chemicals Co., Ltd. | Apparatus for producing high-purity metallic chromium |
| EP0582006B1 (en) * | 1992-08-03 | 1999-04-21 | JAPAN METALS & CHEMICALS CO., LTD. | Method for producing high-purity metallic chromium |
| US5478522A (en) * | 1994-11-15 | 1995-12-26 | National Science Council | Method for manufacturing heating element |
| US5529604A (en) * | 1995-03-28 | 1996-06-25 | Ametek, Specialty Metal Products Division | Modified stainless steel powder composition |
| US5976216A (en) * | 1996-08-02 | 1999-11-02 | Omg Americas, Inc. | Nickel-containing strengthened sintered ferritic stainless steels |
| US5864071A (en) * | 1997-04-24 | 1999-01-26 | Keystone Powdered Metal Company | Powder ferrous metal compositions containing aluminum |
| CN105648300B (zh) * | 2014-11-12 | 2017-09-22 | 东睦新材料集团股份有限公司 | 用于提高不锈钢烧结密度的添加剂及其制造相关不锈钢烧结部件的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1234998B (de) * | 1964-08-18 | 1967-02-23 | Pfizer & Co C | Verfahren zur Verbesserung der Korrosionsbestaendigkeit von Formstuecken aus rostfreiem Stahlpulver |
| US3520680A (en) * | 1968-07-22 | 1970-07-14 | Pfizer & Co C | Process of producing steel |
| JPS558438A (en) * | 1978-07-04 | 1980-01-22 | Nippon Mining Co Ltd | Corrosion resistant, high permeability alloy |
| US4331478A (en) * | 1979-02-09 | 1982-05-25 | Scm Corporation | Corrosion-resistant stainless steel powder and compacts made therefrom |
| US4314849A (en) * | 1979-02-09 | 1982-02-09 | Scm Corporation | Maximizing the corrosion resistance of tin containing stainless steel powder compacts |
| US4420336A (en) * | 1982-02-11 | 1983-12-13 | Scm Corporation | Process of improving corrosion resistance in porous stainless steel bodies and article |
-
1986
- 1986-02-21 US US06/832,292 patent/US4662939A/en not_active Expired - Lifetime
-
1987
- 1987-02-18 EP EP87301400A patent/EP0237210A3/en not_active Ceased
- 1987-02-19 CA CA000530059A patent/CA1288620C/en not_active Expired - Lifetime
- 1987-02-20 BR BR8700821A patent/BR8700821A/pt unknown
- 1987-02-20 KR KR1019870001424A patent/KR910001326B1/ko active IP Right Grant
- 1987-02-20 AU AU69105/87A patent/AU573116B2/en not_active Ceased
- 1987-02-20 JP JP62037713A patent/JPS62235458A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU6910587A (en) | 1987-08-27 |
| CA1288620C (en) | 1991-09-10 |
| BR8700821A (pt) | 1987-12-22 |
| US4662939A (en) | 1987-05-05 |
| KR910001326B1 (ko) | 1991-03-04 |
| AU573116B2 (en) | 1988-05-26 |
| KR870008044A (ko) | 1987-09-23 |
| JPS62235458A (ja) | 1987-10-15 |
| EP0237210A2 (en) | 1987-09-16 |
| EP0237210A3 (en) | 1989-10-11 |
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