发明名称 |
DISPOSABLE THIN WALL CORE DIE, METHODS OF MANUFACTURE THEREOF AND ARTICLES MANUFACTURED THEREFROM |
摘要 |
Disclosed herein is a method comprising injecting into a thin wall disposable core die a slurry having a viscosity of about 1 to about 1,000 Pascal-seconds at room temperature when tested at a shear rate of up to 70 seconds<SUP>-1 </SUP>and a flow index of less than 0.6 at a pressure of up to about 7 kilograms-force per square centimeter; wherein the thin wall disposable core die has an average wall thickness of about 1.5 to about 10 millimeters; curing the slurry to form a cured ceramic core; removing the thin wall disposable core die from the cured ceramic core; and firing the cured ceramic core to form a solidified ceramic core.
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申请公布号 |
US2008135722(A1) |
申请公布日期 |
2008.06.12 |
申请号 |
US20060609117 |
申请日期 |
2006.12.11 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
WANG HSIN-PANG;EDGAR MARC THOMAS;LEMAN JOHN THOMAS;LEE CHING-PANG;ESTILL ERIC ALAN |
分类号 |
B22C9/10;B28B7/34 |
主分类号 |
B22C9/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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