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Plasma Polishing as a New Polishing Option to Reduce the Surface Roughness of Porous Titanium Alloy for 3D Printing
Published on: April 28, 2023
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Process Optimization of Polishing Titanium Alloy Material with a Pulsating Air Jet
Lei Zhang1, Chen Ding1, Jianfa Bu1
1Jiangsu Provincial Key Laboratory of Advanced Robotics, College of Mechanical and Electrical Engineering, Soochow University, Suzhou 215021, China.
Materials (Basel, Switzerland)
|October 28, 2023
Summary
A novel pulsating air jet polishing (PAJP) method offers a simpler, more flexible alternative for titanium alloy polishing. This technique effectively reduces surface roughness with high accuracy, as validated by experimental data and a predictive model.
Area of Science:
- Materials Science
- Manufacturing Engineering
- Surface Engineering
Background:
- Titanium alloys are critical materials in healthcare, aerospace, and petroleum exploration.
- Traditional abrasive jet polishing methods face limitations in structure, nozzle wear, and flexibility.
Purpose of the Study:
- To introduce and investigate a new pulsating air jet polishing (PAJP) method for titanium alloys.
- To analyze the working principle and material removal mechanisms of PAJP.
- To optimize PAJP process parameters and establish a surface roughness prediction model.
Main Methods:
- Orthogonal experiments were conducted to analyze the influence of process parameters.
- Range and variance analyses were employed to determine parameter significance.
- Regression analysis was used to develop a surface roughness prediction model.
Main Results:
- The study identified the optimal process parameters for PAJP of titanium alloy.
- A predictive model for surface roughness was established with an average relative error of 6.2%.
- PAJP demonstrated advantages in structural simplicity, low nozzle wear, and high polishing flexibility compared to traditional methods.
Conclusions:
- Pulsating air jet polishing is a viable and efficient technique for titanium alloy surface finishing.
- The developed prediction model accurately forecasts surface roughness, aiding process optimization.
- PAJP offers significant advantages over conventional abrasive jet polishing for titanium alloy applications.

