MICROSTRUCTURE AND MECHANICAL PROPERTIES OF DIRECT METAL LASER SINTERED TI-6AL-4V

被引：0
|
作者：
Becker, T. H. [1 ]
Beck, M. [2 ]
Scheffer, C. [1 ]
机构：
[1] Univ Stellenbosch, Dept Mech & Mechatron Engn, ZA-7600 Stellenbosch, South Africa
[2] Tech Univ Munich, Zentralinst Med Tech IMETUM, D-80290 Munich, Germany
来源：
SOUTH AFRICAN JOURNAL OF INDUSTRIAL ENGINEERING | 2015年 / 26卷 / 01期
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Direct metal laser sintering (DMLS) is a selective laser melting (SLM) manufacturing process that can produce near net shape parts from metallic powders. A range of materials are suitable for SLM; they include various metals such as titanium, steel, aluminium, and cobalt-chrome alloys. This paper forms part of a research drive that aims to evaluate the material performance of the SLM-manufactured metals. It presents DMLS-produced Ti-6Al-4V, a titanium alloy often used in biomedical and aerospace applications. This paper also studies the effect of several heat treatments on the microstructure and mechanical properties of Ti-6Al-4V processed by SLM. It reports the achievable mechanical properties of the alloy, including quasi-static, crack growth behaviour, density and porosity distribution, and post-processing using various heat-treatment conditions.
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页码：1 / 10
页数：10
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