首页|Microstructural evolution and silicide precipitation behavior of TiCp/near-α titanium matrix composite during hot compression
Microstructural evolution and silicide precipitation behavior of TiCp/near-α titanium matrix composite during hot compression
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NSTL
Elsevier
? 2022 Elsevier Inc.In this study, TiCp/near-α titanium matrix composite underwent hot compression deformation to investigate the microstructure evolution and silicide precipitation behavior in the α + β phase region. The results show that the peak stress decreases with the increase of temperature or the decrease of strain rate, and the stress-strain curves show a similar trend with the increase of strain under the same other parameters. The silicides with larger size are mainly distributed at the α/β phase boundaries, and a small number of silicides with smaller size can be observed in α phases. In addition, with the increase of deformation temperature, the number and size of silicides first increase and then decrease. With the increase of strain rate, the number of silicides increases while the size first decreases and then increases. Moreover, with the increase of strain, the number of silicides first increases and then decreases while the size decreases. Meanwhile, 925 °C is more conducive to dynamic recrystallization than 885 °C during hot compression.
NSTL
Elsevier
