| 摘要 |
PROBLEM TO BE SOLVED: To provide an aluminum alloy which has excellent mechanical properties and abrasion resistance, and is an alloy material having satisfactory extrudability and cold forgeability. SOLUTION: The abrasion resistant aluminum alloy for cold forging has a composition comprising, by weight, 7.5 to 11.7% Si, 1.0 to 3.2% Cu, 0.15 to 1.0% Mg and 0.05 to 0.5% Fe, and the balance Al with inevitable impurities, and has an alloy structure in which the average particle diameter of Si based crystallized products is 1.0 to 2.0μm, and the area ratio of the crystallized products is 8 to 15%. COPYRIGHT: (C)2007,JPO&INPIT
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