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Enhancing corrosion resistance of selective laser melting Al/SiC composites via substrate preheating
Ding, Xueping1; Zhou, Yinying1; Zhang, Qi2; Guo, Yaoqi2; Tang, Min2; Xiong, Feng3
2023-12-01
摘要The microstructure and corrosion resistance of Al/SiC composites fabricated by selective laser melting (SLM) with substrate preheating are studied for the first time in this study. The results show that the defects such as cracks and voids is decreased, which is beneficial for reducing the localized corrosion. In addition, the preheating treatment leads to the increase of dislocation density and the decrease of high-angle grain boundaries, which is beneficial to improve the corrosion resistance. Therefore, it is concluded that substrate preheating is conducive to enhancing corrosion resistance of SLM Al/SiC composites.
关键词Metallic composites Corrosion Laser processing Preheating
DOI10.1016/j.matlet.2023.135071
发表期刊MATERIALS LETTERS
ISSN0167-577X
卷号352页码:4
通讯作者Zhang, Qi(zhangqi@cigit.ac.cn)
收录类别SCI
WOS记录号WOS:001073650000001
语种英语