JPH0146581B2 - - Google Patents
Info
- Publication number
- JPH0146581B2 JPH0146581B2 JP5343980A JP5343980A JPH0146581B2 JP H0146581 B2 JPH0146581 B2 JP H0146581B2 JP 5343980 A JP5343980 A JP 5343980A JP 5343980 A JP5343980 A JP 5343980A JP H0146581 B2 JPH0146581 B2 JP H0146581B2
- Authority
- JP
- Japan
- Prior art keywords
- sintering
- gas
- torr
- temperature
- during
- 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
- 238000005245 sintering Methods 0.000 claims description 68
- 238000000034 method Methods 0.000 claims description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 229910052804 chromium Inorganic materials 0.000 claims description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 12
- 229910052720 vanadium Inorganic materials 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 229910052748 manganese Inorganic materials 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 238000000354 decomposition reaction Methods 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- 238000005255 carburizing Methods 0.000 claims description 4
- 238000005121 nitriding Methods 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 49
- 238000006722 reduction reaction Methods 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 18
- 239000000843 powder Substances 0.000 description 15
- 230000009467 reduction Effects 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 238000004663 powder metallurgy Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 238000009770 conventional sintering Methods 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910002551 Fe-Mn Inorganic materials 0.000 description 1
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 229910018106 Ni—C Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5343980A JPS56150154A (en) | 1980-04-21 | 1980-04-21 | Preparation of sintered steel |
| CA000375600A CA1190418A (en) | 1980-04-21 | 1981-04-15 | Process for producing sintered ferrous alloys |
| ES501493A ES8203980A1 (es) | 1980-04-21 | 1981-04-20 | Metodo para producir una aleacion sinterizada |
| AU69678/81A AU535454B2 (en) | 1980-04-21 | 1981-04-21 | Producing sintered ferrous alloys |
| DE8181103021T DE3173421D1 (en) | 1980-04-21 | 1981-04-21 | Process for producing sintered ferrous alloys |
| EP81103021A EP0038558B1 (en) | 1980-04-21 | 1981-04-21 | Process for producing sintered ferrous alloys |
| US06/805,413 US4614638A (en) | 1980-04-21 | 1985-12-06 | Process for producing sintered ferrous alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5343980A JPS56150154A (en) | 1980-04-21 | 1980-04-21 | Preparation of sintered steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56150154A JPS56150154A (en) | 1981-11-20 |
| JPH0146581B2 true JPH0146581B2 (enrdf_load_stackoverflow) | 1989-10-09 |
Family
ID=12942875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5343980A Granted JPS56150154A (en) | 1980-04-21 | 1980-04-21 | Preparation of sintered steel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56150154A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56150155A (en) * | 1980-04-22 | 1981-11-20 | Sumitomo Electric Ind Ltd | Preparation of ferrous sintered material |
-
1980
- 1980-04-21 JP JP5343980A patent/JPS56150154A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56150154A (en) | 1981-11-20 |
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