Damage Mechanisms of a TiB2-Reinforced Steel Matrix Composite for Lightweight Automotive Application

Metallurgical and Materials Transactions E - Tập 3 - Trang 203-208 - 2016
Y. Z. Li1,2, Z. C. Luo1,2, H. L. Yi3, M. X. Huang1,2
1Shenzhen Institute of Research and Innovation, The University of Hong Kong, Shenzhen, China
2Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, China
3The State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, China

Tóm tắt

The microscopic strain-and-stress fields related to primary and eutectic particles in a lightweight steel matrix composite (SMC) produced by in situ precipitation of TiB2 particles during solidification were investigated by means of microscale digital image correlation and finite element method. The damage process in this SMC is a sequential process of primary particles cracking, the fracture of the surrounding eutectic particles, and finally the growth and coalescence of voids in the ferrite matrix.

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Thông tin xuất bản

Metallurgical and Materials Transactions E

Tập 3

203-208

Thông tin tác giả