ALUMINUM ALLOY FOR DIECASTING WHICH PREVENT SURFACE STAIN DUE TO THE SMUTTING OF SILICON DURING ANODIZING OF A CASTE PRODUCT

摘要

PURPOSE: Aluminum alloy for diecasting is provided to achieve uniform and excellent color and improve the durability of a diecast product.;CONSTITUTION: Aluminum alloy for diecasting comprises Mn 1.0~5.0 weight%, Zn 0.5~1.5 weight%, Zr 1.0~2.0 weight%, Cu 0.5~1.5 weight%, and aluminum of the remaining amount, wherein the Mn component is to segregate Mn-Al6 phase from metal alloy, the Zn component is to improve the mechanical property, and the Cu component exists as solid solution in the metal alloy for reinforcement of matrix.;COPYRIGHT KIPO 2011