Journal
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
Volume 53, Issue 12, Pages 4161-4167Publisher
SPRINGER
DOI: 10.1007/s11661-022-06837-5
Keywords
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Funding
- High-tech Industry Technology Innovation Leading Plan of Hunan Province [2020GK2032]
- Science and Technology Innovation Program of Hunan Province [2020RC2002]
- Natural Science Foundation of Hunan Province [2021JJ40774]
- Research Fund of the Key Laboratory of High Performance Complex Manufacturing at Central South University
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This study investigated the microstructure and mechanical properties of Al0.5CoCrFeNi high-entropy alloy particles reinforced aluminum matrix composites (HEAps/AMCs) fabricated by ultrasonic casting technique. It was found that incoherent FCC phases and tiny coherent L1(2) nanophases were precipitated inside the matrix and around the interface between Al and HEAps, respectively. The introduction of different contents of HEAps improved the strength and hardness of the composites, but excessive HEAps had a detrimental effect on the tensile properties.
This work investigated the microstructure and mechanical properties of Al0.5CoCrFeNi high-entropy alloy particles reinforced aluminum matrix composites (HEAps/AMCs) fabricated by ultrasonic casting technique. Incoherent FCC phases and tiny coherent L1(2) nanophases were precipitated inside the matrix and around the interface between Al and HEAps, respectively. The strength and hardness of AMCs exhibited superior properties after introducing different contents of HEAps. However, excess HEAps were detrimental to the tensile properties.
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