发明申请
- 专利标题: INVESTMENT CASTING WITH EXOTHERMIC MATERIAL
- 专利标题(中): 投资铸造与异体材料
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申请号: US09804404申请日: 2001-03-12
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公开(公告)号: US20020124984A1公开(公告)日: 2002-09-12
- 发明人: Mark L. Soderstrom , John Brinegar
- 主分类号: B22D023/00
- IPC分类号: B22D023/00
摘要:
Method and investment shell mold for casting comprising introducing molten metallic material into an investment shell mold to fill a mold cavity and provide an upper surface of the molten metallic material above the mold cavity. An initially closed, destructible region of the mold then is broken to provide an entry opening through which exothermic material is placed on the upper surface of the molten metallic material to provide a source of molten metallic material to accommodate shrinkage of a casting as it solidifies in the mold cavity.
公开/授权文献
- US06446698B1 Investment casting with exothermic material 公开/授权日:2002-09-10