Verbundwerkstoff und Verfahren zur Herstellung desselben

摘要

In a composite material manufactured by connecting a sintered body (2) to a surface of a metal substrate (1), connection strength under a high temperature is increased, stress relaxation in the composite material is attained, and strength, wear resistance and corrosion resistance are improved. The sintered body (2) is in a multilayer structure having different compositions perpendicularly to its connection surface, and the volume relation between the sintered body (2) and the substrate (1) is (substrate volume x 0.2) >/= (sintered body volume/layer number), while the thickness of each layer is at least 0.2 mm and not more than 5 mm.