Laser hardening of steel work pieces
US4313771A · kind A · utility
11Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 29, 1980 |
| Grant date | Feb 2, 1982 |
| Priority date | — |
| Expiry date | Feb 29, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2103/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of hardening the surface of steel work pieces is disclosed wherein the work piece is first treated with a solution to cause the blackening thereof and subsequently subjected to a laser beam for a time sufficient to raise the surface temperature thereof into the austenitic phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.