Surface alloying of Ti6Al4V alloy by pulsed laser

被引：0
|
作者：
Zambon, A. [1 ]
Ramous, E. [1 ]
Bianco, M. [1 ]
Rivela, C. [1 ]
机构：
[1] Universita di Padova, Padova, Italy
来源：
Materials Science Forum | 1994年 / 163-6卷 / pt 1期
关键词：
Alloying - Carburizing - Hardness testing - Laser pulses - Neodymium lasers - Nitriding - Surface properties - Surface testing - Surface treatment - Titanium metallography - Wear resistance - X ray analysis;
D O I：
10.4028/www.scientific.net/msf.163-165.411
中图分类号：
学科分类号：
摘要：
The feasibility of gas surface alloying of Titanium alloys by laser has been already studied. However relevant difficulties in the aforesaid process result in surface chemical heterogeneity and roughness. We tried to overcome these problems by optimizing the nitriding and carburizing treatments with a pulsed Nd-YAG laser. Treated samples were examined by metallographic techniques, XRD and by hardness and roughness tests. Results showed that carburized layers exhibit better properties compared with nitrided ones, both as hardness profiles and surface roughness. Preliminary wear tests confirmed the better behaviour of carburized layers.
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页码：411 / 416
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