首页|Laser Powder Bed Fusion of Beta-Type Titanium Alloys for Biomedical Application:A Review
Laser Powder Bed Fusion of Beta-Type Titanium Alloys for Biomedical Application:A Review
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Additive manufacturing of β-type titanium alloy is expected to replace Ti-6Al-4V alloy in the field of orthopedic implan-tation because of their low elastic modulus,excellent corrosion resistance,and biocompatibility.After briefly introducing the laser powder bed fusion(LPBF)process and physical phenomena,this paper reviews the recent progresses in LPBF-edβ-type Ti alloys.The strategies to strengthening and toughening β-type Ti alloys are critically reviewed.This is followed by the processing routes employed to achieve to low modulus for orthopedic applications,especially a new methodology for tailoring crystallographic orientation called multi-track coupled directional solidification.The effect of processing and compositions on performance metrics of β-type Ti alloys included corrosion behavior,and biocompatibility is reviewed.In the end,challenges in additive manufacturing of β-type Ti alloys in future are highlighted,with the aim to ensue clinical application of LPBF-ed β-type Ti alloys.
β-type Ti alloysLaser powder bed fusionMechanical propertiesElastic modulusBiocompatibility
Xuan Luo、Chao Yang、Dongdong Li、Lai-Chang Zhang
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State Key Laboratory of Materials Processing and Die& Mould Technology,Huazhong University of Science and Technology,Wuhan 430074,China
National Engineering Research Center of Near-Net-Shape Forming for Metallic Materials,Guangdong Provincial Key Laboratory for Processing and Forming of Advanced Metallic Materials,South China University of Technology,Guangzhou 510640,China
Centre for Advanced Materials and Manufacturing,School of Engineering,Edith Cowan University,270 Joondalup Drive,Joondalup,Perth,WA 6027,Australia
国家自然科学基金国家自然科学基金Guangdong Basic and Applied Basic Research FoundationGuangdong Basic and Applied Basic Research FoundationGuangdong Science and Technology Innovation ProjectOptical Valley Science Research Project,WEHDZ
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