Claims
- 1. A corrosion resistant zirconium alloy for uses as a nuclear reactor fuel cladding material consisting essentially of on a weight % basis
- 0.2-1.15% Sn,
- 0.19-0.6% Fe,
- 0.07-0.4% Cr,
- the balance being Zr and incidental impurities, provided that the content of nitrogen in the form of incidental impurities is no more than 60 ppm.
- 2. The zirconium alloy of claim 1, further comprising from 0.05 to less than 0.5% Nb.
- 3. The zirconium alloy of claim 2, wherein the Fe content is 0.19-0.24% and the Cr content is 0.07-0.13%.
- 4. The zirconium alloy of claim 1, wherein the Fe content is 0.19-0.24% and the Cr content is 0.07-0.13%.
Priority Claims (2)
Number |
Date |
Country |
Kind |
61-178441 |
Jul 1986 |
JPX |
|
63-12323 |
Jan 1988 |
JPX |
|
Parent Case Info
This application is a continuation-in-part of application Ser. No. 07/072,556filed July 13, 1987, now abandoned.
US Referenced Citations (5)
Number |
Name |
Date |
Kind |
3121034 |
Anderko et al. |
Feb 1964 |
|
4584030 |
McDonald et al. |
Apr 1986 |
|
4649023 |
Sabol et al. |
Mar 1987 |
|
4810461 |
Inagaki et al. |
Mar 1989 |
|
4814136 |
Sabol et al. |
Mar 1989 |
|
Foreign Referenced Citations (4)
Number |
Date |
Country |
1408152 |
Mar 1963 |
FRX |
236955 |
Feb 1975 |
FRX |
60-36640 |
Feb 1985 |
JPX |
767892 |
Feb 1957 |
GBX |
Non-Patent Literature Citations (1)
Entry |
G. P. Sabol and S. G. McDonald, "The Effect of Niobium Additions on the Corrosion Behavior of Zircoloy-4", Nuclear Science and Engineering: 63 83-90 (1977). |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
72556 |
Jul 1987 |
|