Mechanical and electrochemical properties of laser surface nitrided Ti-6Al-4V

被引：37

作者：

Biswas, A. ^{[1
]}

Li, L. ^{[2
]}

Chatterjee, U. K. ^{[1
]}

Manna, I. ^{[1
]}

Pabi, S. K. ^{[1
]}

Majumdar, J. Dutta ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Met & Mat Engn, Kharagpur 721302, W Bengal, India

[2] Univ Manchester, Sch Mech Aerosp & Civil Engn, Manchester M60 1QD, Lancs, England

来源：

SCRIPTA MATERIALIA | 2008年 / 59卷 / 02期

关键词：

Ti alloys; laser treatment; corrosion; hardness; biomaterials;

D O I：

10.1016/j.scriptamat.2008.03.020

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The present study concerns laser surface nitriding of Ti-6Al-4V. The microstructure of the surface nitrided Ti-6Al-4V consisted of TiN dendrites distributed in alpha Ti matrix. The microhardness of the surface was improved to 1142 VHN as compared to the 260 VHN of substrate. The bulk modulus of the surface was increased to 177 GPA as compared to the 114 GPA of the substrate. The pitting corrosion resistance and wettability were significantly improved against simulated body fluid. (c) 2008 Published by Elsevier Ltd. on behalf of Acta Materialia Inc.

引用

页码：239 / 242

页数：4

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