Xuemin Wang
University of Science and Technology Beijing
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Publication
Featured researches published by Xuemin Wang.
Materials Technology | 2018
Hui Chen; Lu-Jie Wei; Z.J. Xie; Xuemin Wang; Chengjia Shang
ABSTRACT Carbide precipitation and hydrogen embrittlement susceptibility of a 960 MPa grade ultra-high strength low carbon low alloy steel processed by quenching and tempering (Q-T) via different reheating routes (conventional air furnace and high frequency induction) were investigated. After tempering at 600°C via both methods, carbides precipitated along the prior austenite grain boundaries and within the matrix lath. It was observed that dispersed carbides in induction tempered (Q&IT) sample were finer and more spheroidized than those in conventional tempered (Q&CT) sample, resulting in superior mechanical properties of strength, ductility and hydrogen embrittlement susceptibility resistance of Q&IT sample. Moreover, slow strain rate tests (SSRT) revealed that RFS (reduction of the fracture stress) was decreased from 0.16 for CT sample to 0.07 for IT sample. Fractography after SSRT indicated that CT sample exhibited a fracture surface with a few small dimples, whereas, IT sample presented a fracture surface with many large dimples.
PRICM: 8 Pacific Rim International Congress on Advanced Materials and Processing | 2013
Zhihui Xiong; Xuemin Wang; Xinlai He; Chengjia Shang; Shilong Liu; Guanghua Yu
The microstructure evolution of pressure vessel steels by different smelting technology was observed in situ by the laser scanning confocal microscopy the second phase particles of the steels were observed by TEM, The results showed that there are many TiN particles in the Al killed steel smelted by traditional method and the TiN particles could pin austenite grain boundary and refine the austenite grain size. While there were many IAF formed in the HAZ of steel smelted by Oxide Metallurgy technology and the IAF divided the prior austenite grains into smaller and separated regions and refine the microstructure of the HAZ, and the analysis of the effective grain size of two steels carried out by electron back scattering diffraction(EBSD)show that Refining Effect of the steel smelted by Oxide Metallurgy technology is better.
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2013
W.H. Zhou; Hui Guo; Z.J. Xie; Xuemin Wang; Chengjia Shang
Nuclear Engineering and Design | 2013
Yanli Wang; J. Han; H.C. Wu; B. Yang; Xuemin Wang
Materials Transactions | 2013
Yanli Wang; B. Yang; J. Han; H.C. Wu; Xuemin Wang
Materials & Design | 2009
Jia Guo; Chengjia Shang; Shanwu Yang; Hui Guo; Xuemin Wang; Xinlai He
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2015
Zhihui Xiong; Shilong Liu; Xuemin Wang; Chengjia Shang; X. G. Li; R.D.K. Misra
Materials Characterization | 2013
Yanli Wang; J. Han; B. Yang; Xuemin Wang
Journal of Alloys and Compounds | 2013
Xuemin Wang; Chengjia Shang; Xinlai He
Materials & Design | 2017
Ping Wu; Ruijie Yang; Shoutian Zhao; Shiping Zhang; Sen Chen; Xingzhong Cao; Xuemin Wang
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