| 发明名称 |
Castings and Manufacture Methods |
| 摘要 |
A method comprises casting a metallic material (56) in a mold (20) containing a core, the core having a substrate (40, 44) coated with a coating (42). A removing the metallic material from the mold and decoring leaves a casting having a layer formed by the coating. The coating comprises a ceramic having a porosity in a zone (50) near the substrate less than a porosity in a zone (52) away from the substrate. |
| 申请公布号 |
US2014356560(A1) |
申请公布日期 |
2014.12.04 |
| 申请号 |
US201414271764 |
申请日期 |
2014.05.07 |
| 申请人 |
United Technologies Corporation |
发明人 |
Prete Thomas W.;Marcin, JR. John J.;Beers Russell A. |
| 分类号 |
B22D19/00;F01D5/14 |
主分类号 |
B22D19/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method comprising:
casting a metallic material (56) in a mold (20) containing a core, the core having a substrate (40, 44) coated with a coating (42); and removing the metallic material from the mold and decoring to leave an article having a layer formed by the coating,wherein:
the coating comprises a ceramic having a porosity in a zone (50) near the substrate less than a porosity in a zone (52) away from the substrate. |
| 地址 |
Hartford CT US |
