Method of spray forming readily weldable and machinable metal deposits
US6470954B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2001 |
| Grant date | Oct 29, 2002 |
| Priority date | — |
| Expiry date | Jun 6, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB33Y80/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of spray forming a weldable metal deposit. The method comprises (a) providing a ceramic spray forming pattern, (b) heating the spray forming pattern to a sustained temperature sufficient to prevent internal stress formation in deposited carbon steel having a carbon content of less than about 0.3 weight percent when deposited on the heated spray forming pattern, (c) spraying metallic particles onto the spray forming pattern heated to the sustained temperature, and (d) allowing the sprayed metallic particles to cool to form a metal deposit. The metallic particles have a carbon content which is sufficient to result in metal particles having a carbon content of less than about 0.3 weight percent when deposited on the heated spray forming pattern. The resulting deposit has a carbon content of less than about 0.3 weight percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.