Preparation of high-tensile-ductility and high-conductivity alumina dispersion-strengthened copper via a cold spray additive manufacturing-friction stir processing composite process

Cui, Lang; Yang, Wenjing; Zhang, Long; Hao, Jianjie; Zou, Jie; Zhang, Wei; Jia, Li; Hao, Enkang; Zhu, Jihong; Liu, Guang

doi:10.1016/j.jallcom.2024.176467

Journal of Alloys and Compounds

2024

DOI: 10.1016/j.jallcom.2024.176467

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Preparation of high-tensile-ductility and high-conductivity alumina dispersion-strengthened copper via a cold spray additive manufacturing-friction stir processing composite process

Lang Cui,

Wenjing Yang,

Long Zhang

et al.

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Cited by 3 publications

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Recent Progress in Particulate Reinforced Copper‐Based Composites: Fabrication, Microstructure, Mechanical, and Tribological Properties—A Review

Shekhar,

Wani,

Sehgal

et al. 2024

Adv Eng Mater

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In recent years, there has been a significant increase in research studies that include the fabrication and characterization of metal matrix composites (MMCs) with unique features. This comprehensive review delves into the evolution and current status of copper MMCs (Cu‐MMCs) across various industrial sectors. Cu‐MMCs have garnered attention due to their remarkable properties, which include excellent thermal and electrical conductivity, corrosion resistance, and wear resistance. This study explores the fabrication processes, and intricate connections between microstructure and properties of Cu‐MMCs, which encompass ceramic and solid lubricants (SLs) reinforcements. The various types of reinforcement and fabrication methods are examined and highlighted advancements in designing compositions and optimizing microstructures during fabrication. Additionally, this study evaluates the friction and wear characteristics of self‐lubricating hybrid composites, providing insights into effective lubrication ranges and overall tribological behavior patterns. This review highlights that Cu‐MMCs demonstrate superior mechanical strength, wear resistance, and self‐lubricating properties due to ceramics and SLs reinforcements. The mechanisms underlying this behavior involve the formation of a protective transfer layer during sliding and effective lubrication provided by SLs, which reduces direct contact and facilitates smoother interactions between the mating surfaces. The review culminates in an outlook on the prospects of Cu‐MMCs, emphasizing the advantages conferred by their utilization.

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Recent Progress in Particulate Reinforced Copper‐Based Composites: Fabrication, Microstructure, Mechanical, and Tribological Properties—A Review

Shekhar,

Wani,

Sehgal

et al. 2024

Adv Eng Mater

View full text Add to dashboard Cite

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Reinforcement phase addition on microstructure and impact toughness of iron-matrix composites

Huang,

Lu,

Cheng

et al. 2024

Engineering Failure Analysis

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Microstructure Development of Powder-Based Cu Composite During High Shear Strain Processing

Kunčická,

Walek,

Kocich

2024

Metals

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Commercially pure Cu features excellent electric conductivity but low mechanical properties. In order to improve the mechanical properties of Cu, strengthening elements can be added to prepare alloys or composites featuring enhanced performances. This study focuses on the detailed characterization of the microstructure of a Cu composite strengthened with Al2O3 particles during high shear strain processing. The Cu-Al2O3 mixture was prepared by powder metallurgy and directly consolidated by the intensive plastic deformation method of hot rotary swaging. Samples cut from the consolidated piece were further processed by the severe plastic deformation method of high pressure torsion (HPT). The primary aim was to investigate the effects of varying degrees of the imposed shear strain, i.e., the number of HPT revolutions, microstructure development (grain size and morphology, texture, grain misorientations, etc.) of the consolidated composite; the microstructure observations were supplemented with measurements of Vickers microhardness. The results showed that the added oxide particles effectively hindered the movement of dislocations and aggravated grain fragmentation, which also led to the relatively high presence of grain misorientations pointing to the occurrence of residual stress within the microstructure. The high shear strain imposed into (the peripheral region of) the sample subjected to four HPT revolutions imparted equiaxed ultra-fine grains and an average Vickers microhardness of more than 130 HV0.1.

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Preparation of high-tensile-ductility and high-conductivity alumina dispersion-strengthened copper via a cold spray additive manufacturing-friction stir processing composite process

Cited by 3 publications

References 50 publications

Recent Progress in Particulate Reinforced Copper‐Based Composites: Fabrication, Microstructure, Mechanical, and Tribological Properties—A Review

Recent Progress in Particulate Reinforced Copper‐Based Composites: Fabrication, Microstructure, Mechanical, and Tribological Properties—A Review

Reinforcement phase addition on microstructure and impact toughness of iron-matrix composites

Microstructure Development of Powder-Based Cu Composite During High Shear Strain Processing

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