Evolution of microstructure and mechanical properties of aluminum alloy induced by turning and ultrasonic surface rolling process

Hongtao Chen; Shuyao Liu; Pai Wang; Xin Jin; Xuezhi Li; Xibin Wang; Zhibing Liu; Fadi Aldakheel

doi:10.1016/j.jmrt.2024.05.091

Evolution of microstructure and mechanical properties of aluminum alloy induced by turning and ultrasonic surface rolling process

Hongtao Chen, Shuyao Liu, Pai Wang, Xin Jin, Xuezhi Li, Xibin Wang, Zhibing Liu^*, Fadi Aldakheel

^*Corresponding author for this work

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The microstructure and mechanical properties have a significant impact on the service performance of materials. This paper compared the microstructure and mechanical properties of 2024 aluminum alloy subjected to turning and ultrasonic surface rolling process (USRP). It was found that both turning and USRP can cause grain refinement and increased microhardness. The grain refinement induced by USRP was attributed to dislocation proliferation and T-phase fragmentation; At the same time, a quantitative relationship model between microhardness and microstructure during turning and USRP was constructed. The results showed that precipitation had the greatest impact on the microhardness induced by turning, while dislocations and grain refinement had the greatest impact on the microhardness induced by USRP; In addition, the mechanical performance response mechanism of the materials after turning and USRP was elucidated, and it was found that USRP can significantly enhance the yield strength of the materials.

Original language	English
Pages (from-to)	6836-6848
Number of pages	13
Journal	Journal of Materials Research and Technology
Volume	30
DOIs	https://doi.org/10.1016/j.jmrt.2024.05.091
Publication status	Published - 1 May 2024

Keywords

Grain refinement
Microhardness
Microstructure
Ultrasonic surface rolling process

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10.1016/j.jmrt.2024.05.091

Cite this

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title = "Evolution of microstructure and mechanical properties of aluminum alloy induced by turning and ultrasonic surface rolling process",

abstract = "The microstructure and mechanical properties have a significant impact on the service performance of materials. This paper compared the microstructure and mechanical properties of 2024 aluminum alloy subjected to turning and ultrasonic surface rolling process (USRP). It was found that both turning and USRP can cause grain refinement and increased microhardness. The grain refinement induced by USRP was attributed to dislocation proliferation and T-phase fragmentation; At the same time, a quantitative relationship model between microhardness and microstructure during turning and USRP was constructed. The results showed that precipitation had the greatest impact on the microhardness induced by turning, while dislocations and grain refinement had the greatest impact on the microhardness induced by USRP; In addition, the mechanical performance response mechanism of the materials after turning and USRP was elucidated, and it was found that USRP can significantly enhance the yield strength of the materials.",

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author = "Hongtao Chen and Shuyao Liu and Pai Wang and Xin Jin and Xuezhi Li and Xibin Wang and Zhibing Liu and Fadi Aldakheel",

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doi = "10.1016/j.jmrt.2024.05.091",

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T1 - Evolution of microstructure and mechanical properties of aluminum alloy induced by turning and ultrasonic surface rolling process

AU - Chen, Hongtao

AU - Liu, Shuyao

AU - Wang, Pai

AU - Jin, Xin

AU - Li, Xuezhi

AU - Wang, Xibin

AU - Liu, Zhibing

AU - Aldakheel, Fadi

PY - 2024/5/1

Y1 - 2024/5/1

N2 - The microstructure and mechanical properties have a significant impact on the service performance of materials. This paper compared the microstructure and mechanical properties of 2024 aluminum alloy subjected to turning and ultrasonic surface rolling process (USRP). It was found that both turning and USRP can cause grain refinement and increased microhardness. The grain refinement induced by USRP was attributed to dislocation proliferation and T-phase fragmentation; At the same time, a quantitative relationship model between microhardness and microstructure during turning and USRP was constructed. The results showed that precipitation had the greatest impact on the microhardness induced by turning, while dislocations and grain refinement had the greatest impact on the microhardness induced by USRP; In addition, the mechanical performance response mechanism of the materials after turning and USRP was elucidated, and it was found that USRP can significantly enhance the yield strength of the materials.

AB - The microstructure and mechanical properties have a significant impact on the service performance of materials. This paper compared the microstructure and mechanical properties of 2024 aluminum alloy subjected to turning and ultrasonic surface rolling process (USRP). It was found that both turning and USRP can cause grain refinement and increased microhardness. The grain refinement induced by USRP was attributed to dislocation proliferation and T-phase fragmentation; At the same time, a quantitative relationship model between microhardness and microstructure during turning and USRP was constructed. The results showed that precipitation had the greatest impact on the microhardness induced by turning, while dislocations and grain refinement had the greatest impact on the microhardness induced by USRP; In addition, the mechanical performance response mechanism of the materials after turning and USRP was elucidated, and it was found that USRP can significantly enhance the yield strength of the materials.

KW - Grain refinement

KW - Microhardness

KW - Microstructure

KW - Ultrasonic surface rolling process

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VL - 30

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EP - 6848

JO - Journal of Materials Research and Technology

JF - Journal of Materials Research and Technology

ER -

Evolution of microstructure and mechanical properties of aluminum alloy induced by turning and ultrasonic surface rolling process

Abstract

Keywords

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