Material Removal and Surface Integrity Analysis of Ti6Al4V Alloy after Polishing by Flexible Tools with Different Rigidity

Xiaolong Ke, Wei Wu, Chunjin Wang (Corresponding Author), Yongheng Yu, Bo Zhong, Zhenzhong Wang, Tianyi Wang, Jianji Fu, Jiang Guo

Research output: Journal article publicationJournal articleAcademic researchpeer-review

Abstract

Ti6Al4V alloy has been widely used in many fields, such as aerospace and medicine, due to its excellent biocompatibility and mechanical properties. Most high-performance components made of Ti6Al4V alloy usually need to be polished to produce their specific functional requirements. However, due to the material properties of Ti6Al4V, its polishing process still requires significant development. Therefore, this study aimed to investigate the performance of polishing Ti6Al4V by using tools with different rigidities. Two kinds of bonnet tool were used, namely a pure rubber (PR) bonnet and a semirigid (SR) bonnet. The characterization of material removal and surface integrity after polishing was conducted through a series of experiments on a 6-DOF robotic polishing device. The results demonstrate that both bonnet tools successfully produce nanometric level surface roughness. Moreover, the material removal rate of the SR bonnet tool is significantly higher than that of the PR bonnet, which is consistent with the material removal characteristics of glass polishing in previous research. In addition, the presented analysis on key polishing parameters and surface integrity lays the theoretical foundation for the polishing process of xtitanium alloy in different application fields.

Original languageEnglish
Article number1642
JournalMaterials
Volume15
Issue number5
DOIs
Publication statusPublished - 1 Mar 2022

Keywords

  • Material removal rate
  • Polishing
  • Surface integrity
  • Ti6Al4V
  • Ultra-precision machining

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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