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논문 기본 정보

자료유형
학술저널
저자정보
Behrouz Bagheri (Amirkabir University of Technology) Ali Shamsipur (Amirkabir University of Technology) Amin Abdollahzadeh (Shahid Chamran University of Ahvaz) Seyyed Ehsan Mirsalehi (Amirkabir University of Technology)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.29 No.4
발행연도
2023.4
수록면
1,095 - 1,112 (18page)
DOI
10.1007/s12540-022-01284-8

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In this work, aluminum-copper composites reinforced with 50 nm and 250 nm SiC particles are fabricated on the interfaceof sheets by friction stir spot welding for the first time. In addition, the finite element method is used to study visual andunderstand the temperature distribution and mechanical characteristics of the composite with different nanoparticle sizes.Micro stress/strain field mainly simulated the impacts of particle size and particle distribution in the matrix. Results showedthat large reinforcing particles lead to an increase in temperature distribution and grain size in the stir zone of the jointsample. It was also concluded that the addition of finer nanoparticle size causes higher shear tensile (5.4 MPa) and Von-Mises stress (260 MPa) in the workpiece due to higher homogeneous distribution and less agglomeration in the matrix. Inaddition, the thickness of the intermetallic compound (IMCs) layer at the interface of the joint interface was analyzed as SiCparticles with different sizes are used due to higher interaction and intermixing between materials. The stress distributionand equivalent plastic strain of particles in the stir zone, with the uniform distribution of reinforcing particles for lower size(50 nm), increased.

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