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International Journal of Frontiers in Engineering Technology, 2022, 4(7); doi: 10.25236/IJFET.2022.040714.

Experimental Study on Optimization of Surface Integrity Parameters in Machining of Porous Titanium Alloys


Rui Tang, Yun Ling

Corresponding Author:
​Rui Tang

Engineering Techniques Training Center, Civil Aviation Flight University of China, Guanghan, Sichuan, China


In recent years, with the continuous development of my country's industrial level, people's research and exploration in the machining and application of porous titanium alloys has become more and more in-depth. In order to achieve greater breakthroughs and development in the field of optimization test research on surface integrity parameters of porous titanium alloy machining. In this paper, experiments and finite element simulation methods are used to adjust the process of titanium alloy machining by multi-step cutting and prestressed cutting, in order to control the surface quality of titanium alloy machining. Titanium alloys have superior performance and have the advantages of high strength and high corrosion resistance, but the small thermal conductivity and elastic modulus make titanium alloys difficult to cut. In this paper, a simulation model of multi-step cutting and pre-stressed cutting of titanium alloys is established, and the specific laws of multi-step cutting and pre-stressed cutting process regulation affecting chip shape, cutting force and residual stress of machined surface layer are studied. The results show that both multi-step cutting and prestress cutting can increase the residual compressive stress on the finished surface. The final results of the study showed that when the titanium alloy was cut at a distance of 4.63 mm, the corresponding machine wear was 5.41%. In the application process of porous titanium alloy cutting, the wear degree caused by titanium alloy cutting is not affected by its cutting distance, and the wear degree caused by titanium alloy cutting has always maintained an average level of about 5.5%, which is relatively stable.


Porous Titanium Alloy, Machining, Surface Integrity, Parameter Optimization

Cite This Paper

Rui Tang, Yun Ling. Experimental Study on Optimization of Surface Integrity Parameters in Machining of Porous Titanium Alloys. International Journal of Frontiers in Engineering Technology (2022), Vol. 4, Issue 7: 68-73. https://doi.org/10.25236/IJFET.2022.040714.


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