发明授权
- 专利标题： Controlling casting grain spacing
- 专利标题（中）： 控制铸粒间距
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申请号： US09422179申请日： 1999-10-22
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公开(公告)号： US06343641B1公开(公告)日： 2002-02-05
- 发明人: Michael Francis Xavier Gigliotti, Jr. , Shyh-Chin Huang , Roger John Petterson , Lee Cranford Perocchi
- 申请人： Michael Francis Xavier Gigliotti, Jr. , Shyh-Chin Huang , Roger John Petterson , Lee Cranford Perocchi
- 主分类号： B22D2700
- IPC分类号： B22D2700
摘要：
A grain starter capable of nucleating a multiplicity of grains in a casting is positioned within a mold. The mold is filled with molten metal and a solidification interface is caused to pass from the grain starter through the molten metal by immersing the mold in a cooling bath to form a casting that has a multiplicity of grains nucleated by the grain starter.
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