MANUFACTURING METHOD OF LIQUID PHASE SINTERED ALUMINUM ALLOY MEMBER AND LIQUID PHASE SINTERED ALUMINUM ALLOY MEMBER

摘要

PROBLEM TO BE SOLVED: To provide a manufacturing method of a liquid phase sintered aluminum alloy member capable of effectively providing the liquid phase sintered aluminum alloy member having high strength and excellent in dimensional accuracy and the liquid phase sintered aluminum alloy member with high density.SOLUTION: There is provided a manufacturing method of a liquid phase sintered aluminum alloy member having a molding process for molding a raw material powder containing an aluminum alloy powder containing at least one kind of element selected from Si, Mg, Cu and Zn and the balance Al with inevitable impurities, a sintering process for conducting liquid phase sintering on the molded body to obtain a sintered body, a softening process for heating the sintered body and then conducting water hardening to obtain a softened material and a correction process for conducting sizing on the softened material to obtain a corrected material and an aging process for conducting a heat treatment on the corrected material to obtain an aged material with a deposition deposited.SELECTED DRAWING: Figure 1