发明名称 |
ALUMINUM DIE CAST PRODUCT AND PROCESS FOR MANUFACTURING THE SAME |
摘要 |
An object is to provide an aluminum die cast product, e.g., a pressure vessel that requires high airtightness, in which pressure leak or gas leak ratio can be reduced and the product yield can be increased and also to provide a method for manufacturing the product. An aluminum die cast product in which a cast hole (2A) is formed by a core pin (5) in a thick portion (4) that is made thicker than other portions, wherein a chill layer (2B) with a secondary dendrite arm spacing of at least 5.5 µm or less is provided at the surface of the cast hole (2A).
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申请公布号 |
EP2095895(A1) |
申请公布日期 |
2009.09.02 |
申请号 |
EP20070828677 |
申请日期 |
2007.09.28 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
HAMASAKI, MASAFUMI;INOGUCHI, KAZUHIKO;HATANAKA, MASAYA;KAWASAKI, MASAKI;SAHO, SHINJI |
分类号 |
B22D17/00;B22C9/10;B22D17/22;B22D17/32;C22F1/00;C22F1/04 |
主分类号 |
B22D17/00 |
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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