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Tribological Behavior of Additive Manufactured γ-TiAl by Electron Beam Melting
Transactions of the Indian Institute of Metals ( IF 1.5 ) Pub Date : 2020-04-08 , DOI: 10.1007/s12666-020-01950-8
G. V. Krishna Pradeep , Muthukannan Duraiselvam , Katakam Siva Prasad , Ashfaq Mohammad

The present work investigated the dry sliding wear behavior of gamma titanium aluminide (γ-TiAl) alloy deposited by electron beam melting (EBM) additive manufacturing technique. The wear-testing parameters used are applied load and sliding velocity, with a constant sliding distance. The wear behavior of commercially available Ti–6Al–4V and Inconel 718 was also investigated for the comparative purpose. Results revealed that EBM-additive-manufactured γ-TiAl showed superior metallurgical bonding within the consecutive layers and formation of phases like γ, α2, and β which improved the microhardness and wear resistance compared with conventionally fabricated Ti–6Al–4V and Inconel 718, and EBM-additive-manufactured γ-TiAl showed higher wear resistance.



中文翻译:

电子束熔化法制备的γ-TiAl添加剂的摩擦学行为

本工作研究了通过电子束熔化(EBM)增材制造技术沉积的γ-TiAl合金的干滑动磨损行为。使用的磨损测试参数为施加的载荷和滑动速度,且滑动距离恒定。为了比较,还研究了市售的Ti-6Al-4V和Inconel 718的磨损行为。结果表明,EBM-添加剂制造的γ-TiAl金属显示出连续的层和形成像γ相的内优良的冶金结合,α 2,β,其提高了与现有技术相比,显微硬度和耐磨性制造的Ti-6AL-4V和Inconel 718 ,以及EBM添加剂制造的γ-TiAl表现出更高的耐磨性。

更新日期:2020-04-08
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