DE3421858C2 - - Google Patents
Info
- Publication number
- DE3421858C2 DE3421858C2 DE3421858A DE3421858A DE3421858C2 DE 3421858 C2 DE3421858 C2 DE 3421858C2 DE 3421858 A DE3421858 A DE 3421858A DE 3421858 A DE3421858 A DE 3421858A DE 3421858 C2 DE3421858 C2 DE 3421858C2
- Authority
- DE
- Germany
- Prior art keywords
- powder
- particles
- stainless steel
- sintering
- temperature
- 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
Links
- 239000000843 powder Substances 0.000 claims description 83
- 239000002245 particle Substances 0.000 claims description 66
- 229910001220 stainless steel Inorganic materials 0.000 claims description 44
- 239000010935 stainless steel Substances 0.000 claims description 41
- 238000005245 sintering Methods 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 26
- 238000002844 melting Methods 0.000 claims description 16
- 230000008018 melting Effects 0.000 claims description 16
- 230000001590 oxidative effect Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 239000007791 liquid phase Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910000423 chromium oxide Inorganic materials 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 238000010310 metallurgical process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 239000000080 wetting agent Substances 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- 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
- B22F3/11—Making porous workpieces or articles
-
- 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%
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58107279A JPS59232249A (ja) | 1983-06-15 | 1983-06-15 | ステンレス鋼粉の多孔質焼結体の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3421858A1 DE3421858A1 (de) | 1985-01-03 |
| DE3421858C2 true DE3421858C2 (en:Method) | 1988-08-11 |
Family
ID=14455039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843421858 Granted DE3421858A1 (de) | 1983-06-15 | 1984-06-13 | Verfahren zum herstellen eines poroesen koerpers aus rostfreiem stahl |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS59232249A (en:Method) |
| DE (1) | DE3421858A1 (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3439648A1 (de) * | 1984-10-30 | 1986-05-07 | Joachim Prof. Dr.-Ing. 8000 München Heinzl | Aerostatisches lager |
| AT406557B (de) * | 1997-02-28 | 2000-06-26 | Machner & Saurer Gmbh | Verfahren zur herstellung von metallkörpern mit innerer porosität |
| RU2124965C1 (ru) * | 1997-10-07 | 1999-01-20 | Центральный научно-исследовательский институт конструкционных материалов "Прометей" | Пористый материал для фильтров |
| GB0321728D0 (en) * | 2003-09-17 | 2003-10-15 | Ceram Technology Ltd | Porous materials |
| CN113369477A (zh) * | 2021-06-03 | 2021-09-10 | 江苏精研科技股份有限公司 | 一种孔隙率可调的多孔材料制备方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2361443A (en) * | 1941-03-17 | 1944-10-31 | Wulff John | Method of producing metal powders |
| GB779949A (en) * | 1954-11-30 | 1957-07-24 | Birmingham Small Arms Co Ltd | Improvements in or relating to the production of powder metal compacts |
| US2920958A (en) * | 1955-11-21 | 1960-01-12 | Wargons Ab | Method for the powder metallurgical manufacture of chromium alloys |
| US3759709A (en) * | 1970-04-28 | 1973-09-18 | Atomic Energy Commission | Method for producing porous metal products |
| SE378260B (en:Method) * | 1973-11-29 | 1975-08-25 | Hoeganaes Ab | |
| JPS55119102A (en) * | 1979-03-08 | 1980-09-12 | N D C Kk | Sintering of metallic or alloy powder having difficultly reducible layer |
| DE3045265C2 (de) * | 1980-12-01 | 1985-09-12 | Nippon Dia Clevite Co., Ltd., Narashino, Chiba | Verfahren zum Herstellen von porösen Sinterstahlkörpern |
-
1983
- 1983-06-15 JP JP58107279A patent/JPS59232249A/ja active Pending
-
1984
- 1984-06-13 DE DE19843421858 patent/DE3421858A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3421858A1 (de) | 1985-01-03 |
| JPS59232249A (ja) | 1984-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: NDC CO., LTD., NARASHINO, CHIBA, JP |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |