Microstructure and properties of K648 superalloy additively manufactured by extreme high-speed laser metal deposition

WANG, Kai-ming; LIU, Wei; DU, Dong; CHANG, Bao-hua; LIU, Guan; HU, Yong-le; TONG, Yong-gang; ZHANG, Ming-jun; ZHANG, Jian; JU, Jiang

doi:10.1016/s1003-6326(24)66534-9

Transactions of Nonferrous Metals Society of China

2024

DOI: 10.1016/s1003-6326(24)66534-9

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Microstructure and properties of K648 superalloy additively manufactured by extreme high-speed laser metal deposition

Kai-ming WANG,

Wei LIU,

Dong DU

et al.

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2024

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Cited by 3 publications

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Effect of oscillating laser cladding on microstructure and properties of stainless steel cladding layers

He,

Zhan,

Yan

et al. 2024

Materials Today Communications

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Effect of oscillating laser cladding on microstructure and properties of stainless steel cladding layers

He,

Zhan,

Yan

et al. 2024

Materials Today Communications

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The effect of annealing on the microstructure and wear performance of laser-clad high-entropy alloy composite coatings for monorail crane braking systems

Tang,

Ding,

Liu

et al. 2024

Materials Today Communications

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Improvement of High Temperature Wear Resistance of Laser-Cladding High-Entropy Alloy Coatings: A Review

Han,

2024

Metals

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As a novel type of metal material emerging in recent years, high-entropy alloy boasts properties such as a simplified microstructure, high strength, high hardness and wear resistance. High-entropy alloys can use laser cladding to produce coatings that exhibit excellent metallurgical bonding with the substrate, thereby significantly improvement of the wear resistance of the material surface. In this paper, the research progress on improving the high-temperature wear resistance of high entropy alloy coatings (LC-HEACs) was mainly analyzed based on the effect of some added alloying elements and the presence of hard ceramic phases. Building on this foundation, the study primarily examines the impact of adding elements such as aluminum, titanium, copper, silicon, and molybdenum, along with hard ceramic particles like TiC, WC, and NbC, on the phase structure of coatings, high-temperature mechanisms, and the synergistic interactions between these elements. Additionally, it explores the potential of promising lubricating particles and introduces an innovative, highly efficient additive manufacturing technology known as extreme high-speed laser metal deposition (EHLMD). Finally, this paper summarizes the main difficulties involved in increasing the high-temperature wear resistance of LC-HEACs and some problems worthy of attention in the future development.

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Microstructure and properties of K648 superalloy additively manufactured by extreme high-speed laser metal deposition

Cited by 3 publications

References 26 publications

Effect of oscillating laser cladding on microstructure and properties of stainless steel cladding layers

Effect of oscillating laser cladding on microstructure and properties of stainless steel cladding layers

The effect of annealing on the microstructure and wear performance of laser-clad high-entropy alloy composite coatings for monorail crane braking systems

Improvement of High Temperature Wear Resistance of Laser-Cladding High-Entropy Alloy Coatings: A Review

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