2010•The Chinese Journal of Nonferrous MetalsRequires access

Microstructure and properties of superplastic plate of Ti-55 alloy

Wang Juan-hua

Abstract

The 1.2 mm thick plates of Ti-55 alloy were rolled from ingots melted by twice vacuum arc furnaces. Microstructure and properties of superplastic plate of Ti-55 alloy were studied.The results show that very fine crystalline grain and good room temperature tensile property have obtained through improved rolling processing.With this processing,a total elongation above 700%could be obtained at 880-920℃at strain rate of 1.4×10~(-3) s~(-1).

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Key concepts: Superplasticity, Materials science, Microstructure, Alloy, Metallurgy, Elongation, Ultimate tensile strength, Grain size