Research Progress on Surface Polishing Technology of Powder Bed Fusion Titanium Alloy

Abstract

Powder bed fusion titanium alloys， as an important metallic material， are widely used in aerospace， medical devices and automotive industries.However， due to their unique material properties and processing methods， surface quality and performance remainone of key issues that constrain their application.In this paper， the research progress on surface polishing techniques for powder bed fusion titanium alloys was reviewed.The advancements in chemical polishing， electrochemical polishing， plasma electrolytic polishing， laser polishing and mechanical polishing were introduced.These techniques have provided options for achieving surface quality and performance that meet various application needs for powder bed fusion titanium alloys.Additionally， the development of composite polishing technologies and related advancements were also prospected.

Keywords

• titanium alloy； powder bed fusion； selective laser melting； selective electron beam melting； polish； roughness