Abstract:Superplasticity of the TiNp/2014AI composite prepared by powder metallurgy method was investigated by tensile tests conducted at different temperatures (773, 798, 818 and 838 K) with different strain rates range from 1·7×10° to 1·7×10−3s−1. Results show that a maximum elongation of 351 is achieved at 818 K and 3·3·10−1s−1. At different deformation temperatures, the curves of m value can be divided into two stages with the variation of strain rate and the critical strain rate is 10−1 s−1. Superplastic deformati… Show more
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