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Nucleation and growth of eutectic cell in hypoeutectic Al-Si alloy SUN Yu1, PANG Shao-ping1, LIU Xue-ran1, YANG Zi-run1, SUN Guo-xiong2 1. School of Materials Engineering, Yancheng Institute... of eutectic cell in hypoeutectic Al-Si alloy was investigated using optical microscopy and scanning electron microscopy equipped with electron backscattering diffraction (EBSD). By revealing......
of the as-cast ZK60 alloy is mainly composed of network eutectic (α-Mg+MgZn) and divorced eutectic MgZn, which semi-continuously distribute along the grain boundaries or in the interdendritic area... is different from that forms during eutectic reaction, precipitate after aging treatment. Key words: wrought magnesium alloy; ZK60; microstructure; alloy phase; MgZn2; eutectic 1 Introduction ZK60 alloy......
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Eutectic nucleation in Al-25wt.% Si alloy through DSCWU Yuyinga, b, LIU Xiangfaa, JIANG Bingganga, and HUANG Chuanzhenb aKey Laboratory for Liquid-Solid Structural Evolution and Processing... the activation energy as well as nucleation work of eutectic solidification, can increase the eutectic nucleation frequency of Al-25wt.%Si alloy, so the addition of P can refine the eutectic structures......
on the solidification process and micro-structural characterization of Nb-Si eutectic alloy was studied. The microstructures of the Nb-Si composites were investigated by optics microscope (OM), X-ray... corresponds to 25% of the liquidus temperature. Contrasting to the conventional microstructure usually found in the Nb-Si eutectic alloy, the microstructure of the undercooled sample is divided......
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="ChDivSummary" name="ChDivSummary">The influence of gravity on the solidification microstructure of Al-AI3Ni eutectic alloy was investigated by using a 50-m-long drop tube.It was found that at different... samples reduced progressively.Based on the experimental results and analysis,a physical model was proposed to describe the effect of gravity on the solidification process of eutectic alloy.关键词:......
Microstructure and microhardness of directionally solidified NiAl-W eutectic alloyJian-Jun Gao1,2,Zhi-Long Zhao2,Lu-Feng Wei2,Kai Cui2,Lin Liu31. School of Mechanical Engineering and Automation...="ChDivSummary" name="ChDivSummary">The microstructure and microhardness of directionally solidified NiAl-W eutectic alloys at growth rates of 2-25 μm·s-1 were investigated by a Bridgman crystal growing facility......
, the University of Queensland2. School of Science and Engineering, University of the Sunshine Coast摘 要:A cost-effective Fe-enriched eutectic high-entropy alloy(EHEA... Fe35Ni25Cr25Mo15 EHEA was found to be a pseudo eutectic alloy comprised of alternant σ phase(Cr(0.22)Mo0.18Fe0.6-type intermetallic) and face centred cubic(FCC) phase.The lamellar structure in the Fe-enriched......