Jun SHEN
,
Zhuangde XIE
,
Bide ZHOU
,
Qingchun LI
,
Zhijun SU
,
Hongsheng LE
材料科学技术（英）
A hypereutectic Al-Si alloy powder was prepared by ultrasonic gas atomization process. The morphologies, microstructure and phase constituent of the alloy powder were studied. The results showed that powder of the alloy was very fine and its microstructure was mainly consisted of Si crystals plus intermetallic compound A19FeSi3, which were very fine and uniformly distributed.
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