SPHEROIDAL CARBIDE ALLOY WHITE CAST IRON

摘要

PROBLEM TO BE SOLVED: To solve the problem that the material having high wear resistance is hard to be used for an apparatus to be subjected to large impact because of its high brittleness.;SOLUTION: The white cast iron has a composition containing, by weight, 2.0 to 4.0% C, 0.5 to 3.0% Si, 0.06 to 1.5% Mn, 6.0 to 16.0% V, 0.01 to 0.1% Mg and 0 to 5.0% Ni, and the balance substantially Fe with impurities. V carbides which have been imperfectly spheroidal ones are perfectly spheroidized by the molten metal addition treatment of Mg, so that the white cast iron has an impact value of almost ≥1.4 times that of the non-treated material having almost the same components.;COPYRIGHT: (C)2002,JPO