首页|Influence of Component Size on the Corrosion Behavior of Ti6Al4V Alloy Fabricated by Electron Beam Powder Bed Fusion
Influence of Component Size on the Corrosion Behavior of Ti6Al4V Alloy Fabricated by Electron Beam Powder Bed Fusion
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The electrochemical behavior of Ti-6Al-4V with 1 mm and 16 mm thickness prepared by electron beam powder bed fusion(EB-PBF)was investigated in phosphate buffered saline.Electrochemical results showed that EB-PBF Ti-6Al-4V with a larger component size was more resistant to corrosion compared to the smaller component,because of less acicular α'phase content and more β phase content.As a non-equilibrium phase in the"high-energy state",α'phase has a greater susceptibility to corrode and reduces the corrosion resistance of the material,while β phase improves corrosion resistance of titanium alloys.The results show that the phase composition has a more significant effect on the corrosion performance than the grain size.
Electron beam powder bed fusionTi6Al4V alloyCorrosion resistanceComponent sizePolarisation
Hongyu Zheng、Xin Gai、Yun Bai、Wentao Hou、Shujun Li、Yulin Hao、R.D.K.Misra、Rui Yang
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Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China
School of Materials Science and Engineering,University of Science and Technology of China,Shenyang 110016,China
Nuclear Power Institute of China,Chengdu 610213,China
Department of Metallurgical,Materials,and Biomedical Engineering,The University of Texas at El Paso,500W,University Avenue,El Paso,TX 79968,USA
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国家自然科学基金CAS Interdisciplinary Innovation Team ProjectOpening project of National Key Laboratory of Shock Wave and Detonation PhysicsOriginal Fund of Nuclear Power Institute of China
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