JPS649367B2 - - Google Patents
Info
- Publication number
- JPS649367B2 JPS649367B2 JP8184281A JP8184281A JPS649367B2 JP S649367 B2 JPS649367 B2 JP S649367B2 JP 8184281 A JP8184281 A JP 8184281A JP 8184281 A JP8184281 A JP 8184281A JP S649367 B2 JPS649367 B2 JP S649367B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- valve seat
- sliding contact
- contact layer
- alloy
- 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
- 239000000956 alloy Substances 0.000 claims description 32
- 229910045601 alloy Inorganic materials 0.000 claims description 30
- 239000011812 mixed powder Substances 0.000 claims description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 229910052750 molybdenum Inorganic materials 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- 229910052804 chromium Inorganic materials 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 8
- 238000000137 annealing Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 230000009466 transformation Effects 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 238000001764 infiltration Methods 0.000 description 19
- 230000008595 infiltration Effects 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 18
- 238000012360 testing method Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 10
- 229910052759 nickel Inorganic materials 0.000 description 9
- 238000005245 sintering Methods 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 229910001566 austenite Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000005275 alloying Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 229910020521 Co—Zn Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910017112 Fe—C Inorganic materials 0.000 description 1
- 229910000914 Mn alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Powder Metallurgy (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8184281A JPS57200765A (en) | 1981-05-30 | 1981-05-30 | Valve seat made of double-layered sintered alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8184281A JPS57200765A (en) | 1981-05-30 | 1981-05-30 | Valve seat made of double-layered sintered alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57200765A JPS57200765A (en) | 1982-12-09 |
| JPS649367B2 true JPS649367B2 (de) | 1989-02-17 |
Family
ID=13757716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8184281A Granted JPS57200765A (en) | 1981-05-30 | 1981-05-30 | Valve seat made of double-layered sintered alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57200765A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60104707A (ja) * | 1983-11-11 | 1985-06-10 | Hitachi Powdered Metals Co Ltd | ２層バルブシ−ト |
| JP7138826B1 (ja) * | 2022-03-08 | 2022-09-16 | 三菱電機株式会社 | 封孔処理された金属複合体および金型並びに封孔処理された金属複合体の製造方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5368605A (en) * | 1976-12-01 | 1978-06-19 | Kentarou Takahashi | Composite molded valve seat |
| JPS5431008A (en) * | 1977-08-13 | 1979-03-07 | Honda Motor Co Ltd | Heattand wearrresistant sintered alloy materials |
| DE2918248B2 (de) * | 1979-05-05 | 1981-05-27 | Goetze Ag, 5093 Burscheid | Ventilsitzring |
-
1981
- 1981-05-30 JP JP8184281A patent/JPS57200765A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57200765A (en) | 1982-12-09 |
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