High temperature texture strengthening in zinc

Abstract

It is shown that the high temperature creep strength of polycrystalline zinc is a strong function of the texture developed in the material. Powder metallurgy extruded zinc exhibits creep rates that are about 50 to 100 times slower in logitudinal samples than in transverse samples in the temperature range from 0.45 to 0.95 Tm. Such large anisotropic effects have not been previously observed and the results obtained suggest a high potential for elevated temperature texture strenghtening of such materials....