Augmentation of crevice corrosion resistance of medical grade 316LVM stainless steel by plasma carburising

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• 作者：Joseph Buhagiar^a ; ^{joseph.p.buhagiar@um.edu.mt} ; André ; Spiteri^a ; Malcolm Sacco^b ; Emmanuel Sinagra^b ; Hanshan Dong^c
• 关键词：A. Stainless steel ; B. Potentiostatic ; C. Pitting corrosion ; C. Hardening ; C. Crevice corrosion ; C. Carburisation
• 刊名：Corrosion Science
• 出版年：2012
• 期刊代码：28_0010938x
• 类别：ch
• 出版时间：June, 2012
• 卷：59
• 期：Complete
• 页码：169-178
• 文件大小：1587 K

摘要

Precipitate free carbon S-phase was produced on the surface of AISI 316LVM medical grade austenitic stainless steel with the use of low temperature direct current and active screen plasma carburising. The treated and untreated alloy was characterised and tested for pitting and crevice corrosion resistance. From this work it can be concluded that when compared to the untreated material, both treatments augment the pitting and crevice corrosion resistance. Using an active screen set-up results in a better surface composition and a higher crevice corrosion resistance than that produced using the direct current plasma carburising treatment.