JPS5729551A - Co base alloy for engine valve and valve seat of internal combustion engine - Google Patents
Co base alloy for engine valve and valve seat of internal combustion engineInfo
- Publication number
- JPS5729551A JPS5729551A JP10326380A JP10326380A JPS5729551A JP S5729551 A JPS5729551 A JP S5729551A JP 10326380 A JP10326380 A JP 10326380A JP 10326380 A JP10326380 A JP 10326380A JP S5729551 A JPS5729551 A JP S5729551A
- Authority
- JP
- Japan
- Prior art keywords
- base alloy
- internal combustion
- valve
- engine
- combustion engine
- 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.)
- Granted
Links
Landscapes
- Lift Valve (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
PURPOSE: To obtain the titled Co base alloy comprising C, Si, Mn, W, Cr, Zn and Ni in each prescribed ratio and further the remainder of Co, having a high hardness at a high temperature and excellent thermal impact resistance and lead oxide corrosion resistance, while being capable of pad-welding with oxygen-acetylene flames.
CONSTITUTION: The titled Co base alloy comprising 1.0W3.5wt% C, 0.1W2.0wt% Si, 0.1W1.6wt% Mn, 5.0W20wt% W, 20W40wt% Cr, 0.001W0.35wt% Zn, 25W 45wt% Ni and the remainder of Co and inevitable impurities. The Co base alloy thus prepared has the above-mentioned characteristics that are required of the engine valves and valve seats of internal combustion engines and in particular of high performance engines and has a low content of costly Co. When the Co base alloy is also used as the castings of the above-mentioned components, it displays excellent performance.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10326380A JPS6046174B2 (en) | 1980-07-28 | 1980-07-28 | Co-based alloy for engine valves and valve seats of internal combustion engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10326380A JPS6046174B2 (en) | 1980-07-28 | 1980-07-28 | Co-based alloy for engine valves and valve seats of internal combustion engines |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5729551A true JPS5729551A (en) | 1982-02-17 |
JPS6046174B2 JPS6046174B2 (en) | 1985-10-15 |
Family
ID=14349542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10326380A Expired JPS6046174B2 (en) | 1980-07-28 | 1980-07-28 | Co-based alloy for engine valves and valve seats of internal combustion engines |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6046174B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59125270A (en) * | 1983-01-05 | 1984-07-19 | Mitsubishi Heavy Ind Ltd | Poppet valve and its production |
-
1980
- 1980-07-28 JP JP10326380A patent/JPS6046174B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59125270A (en) * | 1983-01-05 | 1984-07-19 | Mitsubishi Heavy Ind Ltd | Poppet valve and its production |
Also Published As
Publication number | Publication date |
---|---|
JPS6046174B2 (en) | 1985-10-15 |
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