Tensile Properties of 15wt. %TiB2/7055 Composite Fabricated by In Situ Method

Author:

Chen Dong1,Zou Cong1,Zhang Yi Jie1,Ma Nai Heng1,Wang Hao Wei1

Affiliation:

1. Shanghai Jiao Tong University

Abstract

7055 aluminum alloy reinforced with 15wt. % TiB2 particulates was synthesized by in situ method, the microstructure and tensile properties were investigated. There are a few particulate clusters in the matrix. The elastic modulus and hardness of the composite are higher than that of the matrix alloy, but the yield strength and ultimate tensile strength decrease. The decrease of strength is attributed to the presence of TiB2 particulate cluster and residual reaction slag.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

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