Research on Reducing Residual Stress in Milling of Aluminum Alloy

• Autorzy: Huang Yao , Yan Xianguo , Yuan Ruize , Chen Zhi , Tang Liang , Shen Ao , Niu Xuemei

Identyfikatory

DOI

10.24425/amm.2023.145455

• Języki publikacji: EN

Abstrakty

EN

The machining residual stress produced in the cutting process of aluminum alloy parts can easily lead to a scrap of the processed parts. In order to reduce the residual stress of aluminum alloy in the milling process, based on the Taguchi-Grey relational approach, the effects of different milling parameters on the residual stress and surface roughness of 2A12 aluminum alloy were studied. To reduce the residual stress and surface roughness of 2A12 aluminum alloy, optimized milling parameters were obtained. To further reduce the milling residual stress of 2A12 aluminum alloy, the samples processed by the optimized milling parameters were treated by cryogenic treatment and artificial aging. The residual stress of the sample was measured by the blind hole drilling method, and the evolution mechanism of the microstructure to reduce the machining residual stress was revealed. The results show that the combination of deep cooling treatment and oil bath aging can effectively reduce the residual stress on the machined surface of the aluminum alloy and facilitate a more uniform distribution of the residual stress inside the specimen. The effect of the coarse second phase on the residual stress in the microstructure is not significant, and the fine and diffusely distributed precipitation phase is beneficial to the reduction of the residual stress in the aluminum alloy.

Słowa kluczowe

EN

Taguchi-grey relational approach; aluminum alloy milling process; cryogenic treatment; machining residual stress

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2023
• Tom: Vol. 68, iss. 3
• Strony: 921--932
• Opis fizyczny: Bibliogr. 26 poz., fot., rys., tab., wykr., wzory

Twórcy

autor

Huang Yao

• Taiyuan University of Science and Technology, School of Mechanical Engineering, China

• https://orcid.org/0000-0001-5070-1778

autor

Yan Xianguo

• Taiyuan University of Science and Technology, School of Mechanical Engineering, China

• https://orcid.org/0000-0001-9446-9587

autor

Yuan Ruize

• Taiyuan University of Science and Technology, School of Mechanical Engineering, China

• https://orcid.org/0000-0002-0405-1054

autor

Chen Zhi

• Taiyuan University of Science and Technology, School of Mechanical Engineering, China

• https://orcid.org/0000-0001-9920-1002

autor

Tang Liang

• Taiyuan University of Science and Technology, School of Mechanical Engineering, China

• https://orcid.org/0000-0002-5988-8660

autor

Shen Ao

• Taiyuan University of Science and Technology, School of Mechanical Engineering, China

• https://orcid.org/0000-0002-7549-8670

autor

Niu Xuemei

• Taiyuan University of Science and Technology, School of Mechanical Engineering, China

• https://orcid.org/0000-0002-3042-1135

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Uwagi

1. The authors gratefully acknowledge the support of Natural Science Foundation of Shanxi Province, China (202103021224280); Jincheng Science and Technology Plan Project, China (20198025); Excellent Graduate Innovation Project of Shanxi Province, China (2019SY476).