Tailoring properties of directed energy deposited Al-Mg alloy by balancing laser shock peening and heat treatment

Dai, Wei; Guo, Wei; Xiao, Jun; Zhu, Ying; Qi, Zewu; Shi, Jiaxin; Yin, Changhao; He, Dongsheng; Chi, Jiaxuan; Wan, Zhandong; Cong, Baoqiang; Li, Minggao; Zhang, Hongqiang

doi:10.1016/j.jmst.2024.03.051

Journal of Materials Science & Technology

2024

DOI: 10.1016/j.jmst.2024.03.051

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Tailoring properties of directed energy deposited Al-Mg alloy by balancing laser shock peening and heat treatment

Wei Dai,

Wei Guo,

Jun Xiao

et al.

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2024

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Cited by 26 publications

References 76 publications

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Effects of Laser Oscillation Frequency on the Microstructure and Properties of TiC/Fe‐Based Alloy Composite Coatings

Zhong,

Hu,

Zhang

et al. 2024

Adv Eng Mater

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Herein, TiC/Fe‐based alloys are melted and deposited on a 45‐steel substrate by using an oscillating laser with an 8‐shaped trajectory. Four samples are prepared to investigate the phase changes and microstructure characteristics using laser cladding under different oscillation frequencies. The microhardness, wear resistance, and electrochemical corrosion performance on both substrate and coatings are thoroughly evaluated. The results show that with TiC particles uniformly distributed throughout the coatings, the cladded coatings primarily composed of α‐Fe, (Cr, Fe)7C3, M2B (Cr, Fe), and TiC phases contribute to refined grains and enhanced mechanical strength; additionally, an increase in oscillation frequency leads to further grain refinement, which significantly improves the microhardness of coatings; however, higher hardness does not guarantee better wear resistance; the presence of cracks can actually decrease the coating's durability against wear. It is found that the coating with an oscillation frequency of 200 Hz not only achieves the best wear resistance, but also exhibits excellent electrochemical performance.

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Effects of Laser Oscillation Frequency on the Microstructure and Properties of TiC/Fe‐Based Alloy Composite Coatings

Zhong,

Hu,

Zhang

et al. 2024

Adv Eng Mater

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A nature-inspired build strategy for consistently fabricating intricate objects by wire-arc-based directed energy deposition

Singh,

Sarma,

Rajput

et al. 2024

Prog Addit Manuf

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The role of zinc addition on the microstructural evolution and mechanical properties of wire-arc directed energy deposited Mg-Gd-Y-(Zn)-Zr alloys

Cao,

Qi,

Zeng

et al. 2024

Additive Manufacturing

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Tailoring properties of directed energy deposited Al-Mg alloy by balancing laser shock peening and heat treatment

Cited by 26 publications

References 76 publications

Effects of Laser Oscillation Frequency on the Microstructure and Properties of TiC/Fe‐Based Alloy Composite Coatings

Effects of Laser Oscillation Frequency on the Microstructure and Properties of TiC/Fe‐Based Alloy Composite Coatings

A nature-inspired build strategy for consistently fabricating intricate objects by wire-arc-based directed energy deposition

The role of zinc addition on the microstructural evolution and mechanical properties of wire-arc directed energy deposited Mg-Gd-Y-(Zn)-Zr alloys

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