Copper base alloys possessing improved processability
US4116686A · kind A · utility
7Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1977 |
| Grant date | Sep 26, 1978 |
| Priority date | — |
| Expiry date | Aug 25, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C9/02
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A copper base alloy is disclosed which exhibits improved resistance to crack propagation during hot processing as well as good mechanical properties. The alloy comprises from about 4.0 to about 11.0% tin, from about 0.01 to about 0.3% phosphorus, from about 1.0 to about 5.0% of a material selected from the group consisting of iron and a mixture of iron and cobalt, up to about 0.4% chromium, balance essentially copper. The alloy of the present invention possesses a substantially non-dendritic grain structure in the cast condition which contributes to said resistance to crack propagation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.