JPS55113864A - Heat treating method for cobalt-base cast alloy - Google Patents
Heat treating method for cobalt-base cast alloyInfo
- Publication number
- JPS55113864A JPS55113864A JP2170779A JP2170779A JPS55113864A JP S55113864 A JPS55113864 A JP S55113864A JP 2170779 A JP2170779 A JP 2170779A JP 2170779 A JP2170779 A JP 2170779A JP S55113864 A JPS55113864 A JP S55113864A
- Authority
- JP
- Japan
- Prior art keywords
- cast alloy
- alloy
- cobalt
- heat treating
- treating method
- 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
- Heat Treatment Of Nonferrous Metals Or Alloys (AREA)
Abstract
PURPOSE: To prevent the title alloy of a specified compsn. contg. C, Cr, W, etc. and the balance of Co from cracking without lowering the high temp. compressive strenght by holding the alloy with heating under specified conditions to lower the hardness of the austenite matrix.
CONSTITUTION: A cast alloy consisting of C 1.5W3.0%, Si≤1.0%, Mn≤1.0%, Cr 25W35%, W 8W17%, Fe≤3.0%, P.S≤0.03%, Ni≤1.0% and the balance essentially of Co is held with heating at 1150W1200°C for 4hr or more to lower the hardness of the austenite matrix to Hv500 or less. By this heat treatment the ductility of the Co-base cast alloy is enhanced without lowering the high compressive strength at high temp., thereby solving a cracking problem.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54021707A JPS5822538B2 (en) | 1979-02-24 | 1979-02-24 | Heat treatment method for cobalt-based casting alloys |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54021707A JPS5822538B2 (en) | 1979-02-24 | 1979-02-24 | Heat treatment method for cobalt-based casting alloys |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55113864A true JPS55113864A (en) | 1980-09-02 |
JPS5822538B2 JPS5822538B2 (en) | 1983-05-10 |
Family
ID=12062520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54021707A Expired JPS5822538B2 (en) | 1979-02-24 | 1979-02-24 | Heat treatment method for cobalt-based casting alloys |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5822538B2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50120468A (en) * | 1974-03-08 | 1975-09-20 |
-
1979
- 1979-02-24 JP JP54021707A patent/JPS5822538B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50120468A (en) * | 1974-03-08 | 1975-09-20 |
Also Published As
Publication number | Publication date |
---|---|
JPS5822538B2 (en) | 1983-05-10 |
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