JPS5469517A - Improving method for intergranular corrosion resistance of ni alloy - Google Patents
Improving method for intergranular corrosion resistance of ni alloyInfo
- Publication number
- JPS5469517A JPS5469517A JP13669977A JP13669977A JPS5469517A JP S5469517 A JPS5469517 A JP S5469517A JP 13669977 A JP13669977 A JP 13669977A JP 13669977 A JP13669977 A JP 13669977A JP S5469517 A JPS5469517 A JP S5469517A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- intergranular corrosion
- corrosion resistance
- improving method
- improved
- 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 improve the intergranular corrosion resistance of a Ni alloy by plastic working the alloy under predetermined conditions followed by heat treatment in a specific temp. range.
CONSTITUTION: A Ni alloy is plastic worked by above 20% at below 500°C and heat treated at 800W950°C for a predetermined time. Even if the alloy is heated to 650W750°C after the treatment, it hardly undergoes intergranular corrosion and the intergranular corrosion resistance can be improved remarkably. By applying this method to a Ni alloy the intergranular corrosion of which is advanced by heating to 650W750°C, the intergranular corrosion resistance of the alloy can be improved.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13669977A JPS5469517A (en) | 1977-11-16 | 1977-11-16 | Improving method for intergranular corrosion resistance of ni alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13669977A JPS5469517A (en) | 1977-11-16 | 1977-11-16 | Improving method for intergranular corrosion resistance of ni alloy |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5469517A true JPS5469517A (en) | 1979-06-04 |
JPS613868B2 JPS613868B2 (en) | 1986-02-05 |
Family
ID=15181399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13669977A Granted JPS5469517A (en) | 1977-11-16 | 1977-11-16 | Improving method for intergranular corrosion resistance of ni alloy |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5469517A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59107068A (en) * | 1982-12-10 | 1984-06-21 | Hitachi Ltd | Treatment in weld zone of nickel alloy |
-
1977
- 1977-11-16 JP JP13669977A patent/JPS5469517A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59107068A (en) * | 1982-12-10 | 1984-06-21 | Hitachi Ltd | Treatment in weld zone of nickel alloy |
JPH0545664B2 (en) * | 1982-12-10 | 1993-07-09 | Hitachi Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPS613868B2 (en) | 1986-02-05 |
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