Wear resistance of TC4 by deformation accelerated plasma nitriding at 400 °C

来源期刊:中南大学学报(英文版)2016年第11期

论文作者:傅宇东 朱小硕 李子峰 冷科

文章页码:2771 - 2776

Key words:TC4 (Ti6Al4V); low temperature nitriding; cold deformation; wear resistance; tribology

Abstract: An integrated low temperature nitriding process for TC4 (Ti6Al4V) has been developed and the effect on wear resistance has been investigated. Through the process of solid solution strengthening—cold deformation—nitriding at 400 °C, the TC4 alloy is nitrided on surface and dispersion strengthened in bulk at the same time. The white nitriding layer is formed after some time of nitriding. The nitriding speed increases with the deformation degree. The construction was investigated by XRD and the nitride is Ti3N2-X. The wear test was carried out and results exhibit that the nitrided samples have better wear resistance.

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