Claims
- 1. A process for controlling the continued growth of alumina whisker on ferrite stainless steel, comprising:
- heating ferrite stainless steel covered with alumina whisker at a temperature between 1000.degree. C. and 1200.degree. C. for about 1 minute to 1 hour.
- 2. The process according to claim 1, wherein said heating is carried out in a non-oxidizing atmosphere.
- 3. The process according to claim 2, wherein said non-oxidizing atmosphere is selected from the group consisting of carbon dioxide, nitrogen, hydrogen, rare gas and a vacuum of a degree of 1.times.10.sup.-4 Torr or below.
Priority Claims (4)
Number |
Date |
Country |
Kind |
62-299711 |
Nov 1987 |
JPX |
|
63-166958 |
Jul 1988 |
JPX |
|
63-166959 |
Jul 1988 |
JPX |
|
63-221279 |
Sep 1988 |
JPX |
|
Parent Case Info
This is a division of application Ser. No. 07/277,649, filed Nov. 29, 1988.
US Referenced Citations (4)
Divisions (1)
|
Number |
Date |
Country |
Parent |
277649 |
Nov 1988 |
|