JPS6358897B2 - - Google Patents
Info
- Publication number
- JPS6358897B2 JPS6358897B2 JP56139439A JP13943981A JPS6358897B2 JP S6358897 B2 JPS6358897 B2 JP S6358897B2 JP 56139439 A JP56139439 A JP 56139439A JP 13943981 A JP13943981 A JP 13943981A JP S6358897 B2 JPS6358897 B2 JP S6358897B2
- Authority
- JP
- Japan
- Prior art keywords
- torr
- sintering
- temperature
- gas
- producing
- 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
- 238000000034 method Methods 0.000 claims description 32
- 238000005245 sintering Methods 0.000 claims description 30
- 239000000843 powder Substances 0.000 claims description 23
- 229910000601 superalloy Inorganic materials 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 230000001603 reducing effect Effects 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000005275 alloying Methods 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 241001077660 Molo Species 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 29
- 230000003647 oxidation Effects 0.000 description 13
- 238000007254 oxidation reaction Methods 0.000 description 13
- 229910052799 carbon Inorganic materials 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 238000005261 decarburization Methods 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 238000007796 conventional method 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
- 238000004663 powder metallurgy Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001513 hot isostatic pressing Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009924 canning Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- -1 graphite powder Chemical compound 0.000 description 1
- 239000012535 impurity 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
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 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
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13943981A JPS5839704A (ja) | 1981-09-03 | 1981-09-03 | Ｎｉ基焼結超合金の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13943981A JPS5839704A (ja) | 1981-09-03 | 1981-09-03 | Ｎｉ基焼結超合金の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5839704A JPS5839704A (ja) | 1983-03-08 |
| JPS6358897B2 true JPS6358897B2 (es) | 1988-11-17 |
Family
ID=15245217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13943981A Granted JPS5839704A (ja) | 1981-09-03 | 1981-09-03 | Ｎｉ基焼結超合金の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5839704A (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6029406A (ja) * | 1983-07-27 | 1985-02-14 | Tohoku Metal Ind Ltd | 焼結体の製造方法 |
| JPS6086224A (ja) * | 1983-10-17 | 1985-05-15 | Toshiba Corp | 耐摩耗焼結合金の製造方法 |
| FR2888141B1 (fr) * | 2005-07-07 | 2008-08-29 | Onera (Off Nat Aerospatiale) | Procede de frittage sans pression d'alliages metalliques ; application a la fabrication de spheres creuses |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49114609A (es) * | 1973-03-07 | 1974-11-01 | ||
| JPS51139508A (en) * | 1975-04-30 | 1976-12-01 | Jieimuzu Dein Richiyaado | Method of producing metallic product from metallic powder |
-
1981
- 1981-09-03 JP JP13943981A patent/JPS5839704A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49114609A (es) * | 1973-03-07 | 1974-11-01 | ||
| JPS51139508A (en) * | 1975-04-30 | 1976-12-01 | Jieimuzu Dein Richiyaado | Method of producing metallic product from metallic powder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5839704A (ja) | 1983-03-08 |
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