Browsing Mechanical Engineering by Author "Chen, Yefeng"
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Deformation mechanisms of selective laser melted 316L austenitic stainless steel in high temperature low cycle fatigue
Chen, Yefeng; Wang, Xiaowei; Shen, Jiawei; Peng, Yawei; Jiang, Yong; Yang, Xinyu; Leen, Sean B.; Gong, Jianming (Elsevier, 2022-04-22)To investigate the low cycle fatigue (LCF) properties of SLM (Selective laser melting) 316L at 550 °C high temperature, a series of LCF tests at different strain amplitudes is conducted on SLM 316L and traditional 316L. ... -
Experimental characterization and strengthening mechanism of process-structure-property of selective laser melted 316 L
Chen, Yefeng; Wang, Xiaowei; Li, Dong; Zhou, Dewen; Jiang, Yong; Yang, Xinyu; Liu, Chenglu; Leen, Sean B.; Gong, Jianming (Elsevier, 2023-03-02)Heat treatment is the most common method to relieve residual stress and to adjust tensile properties in additively manufactured material. However, the well-known strengthening factors (e.g., dislocation density, cellular ... -
Process-structure-property modeling for postbuild heat treatment of powder bed fusion Ti-6Al-4V
Liu, Jianxin; Yang, Xinyu; Chai, Xingzai; Boccardo, Adrian; Chen, Yefeng; Wang, Xiaowei; Leen, Sean B.; Gong, Jianming (SAGE Publications, 2023-07-10)Postbuild heat treatment is an important component in optimized manufacturing processing for laser beam powder bed fusion (PBF-LB) Ti-6Al-4V. The development of predictive modeling, based on the understanding of the ...