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Laser cladding for wear and corrosion resistant multi-functional Cr3Si-Cr2Ni3Si metal silicides matrix composite coatings

  • Beihang University

科研成果: 期刊稿件会议文章同行评审

6 引用 (Scopus)

摘要

Wear and corrosion resistant multi-functional Cr3Si-Cr2Ni3Si composite coatings were fabricated on substrate of an austenitic stainless steel 1Cr18Ni9Ti by laser cladding using different Cr-Si-Ni alloy powders. Microstructure, metallic dry sliding wear and electrochemical corrosion behaviors of the metal silicide matrix composite coatings were investigated as a function of the Cr3Si volume fraction. The laser clad composite coatings have a rapidly solidifed microstructure consisting of Cr3Si primary dendrites and the interdendritic Cr2Ni3Si ternary metal silicide. The volume fraction of primary Cr3Si dendrites was shown to have a remarkable influence on wear and corrosion resistance of the laser clad composite coatings. The higher the volume fraction of Cr3Si, the higher he wear and corrosion resistance of the coatings.

源语言英语
页(从-至)162-166
页数5
期刊Proceedings of SPIE - The International Society for Optical Engineering
4915
DOI
出版状态已出版 - 2002
已对外发布
活动Lasers in Materials Processing and Manufacturing - Shanghai, 中国
期限: 16 10月 200218 10月 2002

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