发明授权
US07296616B2 Shell mold for casting niobium-silicide alloys, and related compositions and processes
有权
用于铸造铌 - 硅化物合金的壳模，以及相关组合物和工艺
- 专利标题： Shell mold for casting niobium-silicide alloys, and related compositions and processes
- 专利标题（中）： 用于铸造铌 - 硅化物合金的壳模，以及相关组合物和工艺
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申请号： US11020519申请日： 2004-12-22
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公开(公告)号： US07296616B2公开(公告)日： 2007-11-20
- 发明人: Bernard Patrick Bewlay , Laurent Cretegny , Michael Francis Xavier Gigliotti, Jr. , Roger John Petterson , Ann Melinda Ritter , Stephen Francis Rutkowski
- 申请人： Bernard Patrick Bewlay , Laurent Cretegny , Michael Francis Xavier Gigliotti, Jr. , Roger John Petterson , Ann Melinda Ritter , Stephen Francis Rutkowski
- 申请人地址： US NY Niskayuna
- 专利权人： General Electric Company
- 当前专利权人： General Electric Company
- 当前专利权人地址： US NY Niskayuna
- 代理商 Francis T. Coppa; Patrick K. Patnode
- 主分类号： B22C1/00
- IPC分类号： B22C1/00
摘要：
A shell mold for casting molten material to form an article is described. The mold includes a shell for containing the molten material, formed from at least one of yttrium silicates, zirconium silicates, hafnium silicates, and rare earth silicates. The mold also includes a facecoat disposed on an inner surface of the shell that contacts the molten material. The facecoat can be made from the materials described above. A method of casting a niobium-silicide article is also described, using the shell mold described herein. A method of making the ceramic shell mold is described as well, along with a slurry composition used in the manufacture of the shell mold.
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