Beam assisted deposition film for improving fretting fatigue resistance of Ti-8Al-1Mo-1V alloy at elevated temperature

Wei Tian, Xiaohua Zhang

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Ion-beam-assisted deposition (IBAD) was investigated as a potential way to increase the fretting fatigue resistance of Ti-8Al-1Mo-1V alloy at elevated temperature. Three coating systems, hard TiN film, Al film and Cu/Ni multilayer films have been applied on the base material. Coefficients of friction and fretting fatigue lives of the specimens with and without film were compared. The results indicate that the IBAD technique can prepare all films with high bonding strength and excellent lubricating properties. The fretting fatigue life of the Ti-8Al-1Mo-1V alloy with the TiN film was improved by a factor of 2.4 as compared to the uncoated substrate at elevated temperature because of the excellent wear and fatigue resistance and good toughness of the film. The IBAD Al film significantly improved the fretting fatigue resistance of the Ti-8Al-1Mo-1V alloy at elevated temperature for good lubricating property. The fretting fatigue resistance of the Ti-8Al-1Mo-1V alloy was improved by all the Cu/Ni multilayer films. However, the fretting fatigue resistance did not increase monotonically with the modulation period of the films.

源语言英语
主期刊名2012 International Conference on Engineering Materials, ICEM 2012
7-11
页数5
DOI
出版状态已出版 - 2013
活动2012 International Conference on Engineering Materials, ICEM 2012 - , 新加坡
期限: 30 12月 201231 12月 2012

出版系列

姓名Advanced Materials Research
651
ISSN(印刷版)1022-6680

会议

会议2012 International Conference on Engineering Materials, ICEM 2012
国家/地区新加坡
时期30/12/1231/12/12

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