Journal
HELIYON
Volume 9, Issue 8, Pages -Publisher
CELL PRESS
DOI: 10.1016/j.heliyon.2023.e18607
Keywords
Bimetal; Liquid; liquid compound casting; Interface; Aluminium matrix composites
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This study aimed to prepare bimetallic composites using a liquid-liquid compound casting method and investigated the interface evolution with an increase in the pouring time interval. It was found that melt mixing occurred at a pouring interval of 3 s. A transition zone appeared at the interface with a pouring interval of 10 s, resulting in a good metallurgical bond. However, a discontinuous oxide layer formed at the interface with a pouring interval of 20 s, providing a pathway for the transport of SiC particles.
Aimed at the preparation of bimetallic composites by using a liquid-liquid compound casting method with a sound interface, this study focused on the interface evolution with an increase in the pouring time interval. The results revealed that the melt mixing occurred when the pouring interval was 3 s. The transition zone appeared at the interface when the pouring interval was 10 s, and a good metallurgical bond was obtained. When the pouring interval was 20 s, a discontinuous oxide layer appeared at the interface. The oxide layer gap formed a channel for the transport of the SiC particles.
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