2013•Unpublished venueRequires access

Influence of Heat Treatment on Microstructure and Mechanical Properties of TC4 Titanium Alloy

Liu Wan-yin

Abstract

Influence of different heat treatment process on metallographic microstructure of TC4 titanium alloy was investigated through metallographic observation,mechanical property and instrumented impacting test.The results showed that the microstructure of TC4 alloy after solid solution and aging was consisted of theβmatrix and precipitation of theα-phase.High performance was obtained by the lamellarβ-phase andα-phase structure of a small needle plexiform.ESEM analysis of the fracture showed that the fracture characteristics was dimple transgranular toughness fracture.

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Key concepts: Materials science, Microstructure, Transgranular fracture, Titanium alloy, Dimple, Alloy, Lamellar structure, Metallurgy