Silver alloys of exceptional and reversible hardness
US4869757A · kind A · utility
10Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1987 |
| Grant date | Sep 26, 1989 |
| Priority date | — |
| Expiry date | Apr 13, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C5/08
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A unique hardenable silver alloy is provided which is solution annealed and preferably age-hardened to yield a silver alloy of exceptional and reversible hardness. The alloys utilize intermetallic systems comprising; silver, copper, combined with lithium alone or tin alone in varying percent amounts, or silver, copper, lithium and either tin or antimony, or silver, copper, lithium, tin and antimony, or silver, copper, lithium, tin and bismuth, or silver, copper, lithium, tin, bismuth and antimony.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.