| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing technology for an aluminum alloy material having low heat conductivity and a casting consisting of the aluminum alloy material. SOLUTION: The aluminum alloy material having low heat conductivity comprises, by weight, 2.0-4.0% Cu, 7.0-10.0% Si, 0.2-0.4% Mg, 0.4-1.2% Fe, 0.75-2.5% Mn, 0.4-1.0% Ti, and at least any one of 0.1-0.4% Cr and 0.1-0.2% V, and the balance Al with inevitable impurities. COPYRIGHT: (C)2007,JPO&INPIT
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