Qingwu Cai
University of Science and Technology Beijing
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Publication
Featured researches published by Qingwu Cai.
Materials Science and Technology | 2017
Zhen Ning; Qingwu Cai; Baosheng Xie; Entao Dong
ABSTRACT In this study, the effect of deformation-induced-ferrite-transformation (DIFT) rolling on precipitation in Ti–Mo ferrite matrix micro-alloyed steel was investigated by comparing to rolling in austenite non-recrystallisation region. The precipitate volume fraction and precipitation-starting time-temperature (PTT) curves under two kinds of process were calculated by thermodynamic and kinetic calculation, and the effects of non-recrystallisation rolling and DIFT rolling on the contribution of strengthening mechanisms were quantitatively analysed. The results showed that comparing with rolling in the austenite non-recrystallisation region, carbides in the steel by DIFT rolling were finer and more uniform. Moreover, DIFT rolling could enhance fine grain strengthening and precipitation strengthening simultaneously, and the increments of fine grain and precipitation strengthening were 34 and 63.7 MPa, respectively.
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2016
Lei Cheng; Qingwu Cai; Baosheng Xie; Zhen Ning; Xiao-cui Zhou; Gao-sheng Li
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2014
Baosheng Xie; Qingwu Cai; Wei Yu; Jia-ming Cao; Yun-feng Yang
Oxidation of Metals | 2017
Entao Dong; Wei Yu; Qingwu Cai; Lei Cheng; Jiaxin Shi
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2017
Lei Cheng; Y.J. Chen; Qingwu Cai; Wei Yu; Gang Han; Entao Dong; Xiao Li
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2016
Lei Cheng; Qingwu Cai; Entao Dong; Xiao Li
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2017
Baosheng Xie; Qingwu Cai; Yang Yun; Gao-sheng Li; Zhen Ning
Procedia Engineering | 2017
Entao Dong; Wei Yu; Qingwu Cai
Archive | 2018
Qingwu Cai; Hideo Miura; Jinlong Lv; Wei Yu; Lei Cheng
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2018
Lei Cheng; Wei Yu; Qingwu Cai; Jinlong Lv; Hideo Miura
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