2024
DOI: 10.1088/2053-1591/ad2722
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Effect of Al-Sr-Y intermediate alloy on microstructure and mechanical properties of A356 alloy

Zhongyue Huang,
Jing Li,
Changwen Yuan
et al.

Abstract: In this experiment, an intermediate alloy (Al-3Sr-8Y) that can refine and modify A356 alloy simultaneously was developed, and the synergistic effect of Sr and Y on the microstructure and mechanical properties of A356 alloy was investigated. The results show that when the content of Al-3Sr-8Y intermediate alloy reaches 0.3 wt.%, the morphology of α-Al dendrites is significantly refined and the secondary dendrite arm spacing (SDAS) was significantly reduced. Moreover, the morphology of eutectic Si transforms fro… Show more

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