ALUMINUM COMPOSITE MATERIAL, MACHINE STRUCTURAL COMPONENT, AND METHOD FOR MOLDING EXTRUSION MATERIAL MADE OF ALUMINUM ALLOY

摘要

PROBLEM TO BE SOLVED: To provide an aluminum composite material which has excellent wear resistance and scuff resistance, and further exhibits excellent extrudability, to provide a machine structural component, and to provide a method for molding an extrusion material made of an aluminum alloy. SOLUTION: The aluminum composite material is provided with an aluminum alloy 10 and hard grains 20. The aluminum alloy 10 comprises, by mass, 0.02 to 0.4% chromium (Cr) and 0.3 to 3% magnesium (Mg) to the aluminum alloy 10. COPYRIGHT: (C)2005,JPO&NCIPI