Review on Corrosion Characteristics of Porous Titanium Alloys Fabricated by Additive Manufacturing

doi:10.1007/s12204-021-2314-4

Abstract

Abstract: Porous titanium and its alloys have been considered as promising implants owing to their low elastic modulus and capability to provide channels for bone growth. Currently, additive manufacturing (3D printing) techniques have been successfully applied to produce porous titanium alloys owing to the advantages of controllable and precise fabrication. Considering the safety aspect, an understanding of corrosion in porous titanium alloys and the corresponding mechanisms is important for their long-term application in the human body. In this paper, the recent progress in improving the corrosion properties of porous titanium alloys fabricated via 3D printing techniques is reviewed. The effects of pore type, porosity, electrolyte, and modification of the material on the corrosion properties of porous titanium alloys are introduced and discussed. In addition, the limitations of traditional methods for measuring the corrosion performance of porous titanium alloys were analysed. Perspectives for evaluating and improving the corrosion performance of porous titanium alloys using new methods are provided.

Key words: porous titanium alloys, implant, 3D printing, corrosion

摘要： Porous titanium and its alloys have been considered as promising implants owing to their low elastic modulus and capability to provide channels for bone growth. Currently, additive manufacturing (3D printing) techniques have been successfully applied to produce porous titanium alloys owing to the advantages of controllable and precise fabrication. Considering the safety aspect, an understanding of corrosion in porous titanium alloys and the corresponding mechanisms is important for their long-term application in the human body. In this paper, the recent progress in improving the corrosion properties of porous titanium alloys fabricated via 3D printing techniques is reviewed. The effects of pore type, porosity, electrolyte, and modification of the material on the corrosion properties of porous titanium alloys are introduced and discussed. In addition, the limitations of traditional methods for measuring the corrosion performance of porous titanium alloys were analysed. Perspectives for evaluating and improving the corrosion performance of porous titanium alloys using new methods are provided.

关键词: porous titanium alloys, implant, 3D printing, corrosion

CLC Number:

GAI Xin, (盖欣), BAI Yun (白芸), LI Shujun (李述军), WANG Liao (王燎), AI Songtao (艾松涛), HAO Yulin (郝玉琳), YANG Rui (杨锐), DAI Kerong (戴尅戎). Review on Corrosion Characteristics of Porous Titanium Alloys Fabricated by Additive Manufacturing[J]. J Shanghai Jiaotong Univ Sci, 2021, 26(3): 416-430.

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Review on Corrosion Characteristics of Porous Titanium Alloys Fabricated by Additive Manufacturing

Review on Corrosion Characteristics of Porous Titanium Alloys Fabricated by Additive Manufacturing

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