ZCuSn10合金半固态流变挤压件显微组织的演变<sup>*</sup>

doi:10.11896/j.issn.1005-023X.2017.016.013

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Abstract The ZCuSn10 alloy was prepared by conventional casting and the stainless steel rotating-rod induced nucleation(RRIN) in the experiment. The effect of process parameters on the microstructure of ZCuSn10 alloy semi-solid squeeze part was investigated. The microstructure evolution of semi-solid ZCuSn10 flange part produced by the optimum process parameters were analyzed. The results show that the effect of different process parameters on the microstructure of extruded ZCuSn10 alloy is different, and the internal structure of squeeze part is consistent with the slurry. The microstructure of the slurry prepared at the speed of 500 r/min was used to obtain the microstructure with good solid-liquid synergetic liquidity. The heat dissipation of the specimen was faster near punch position and the microstructure was mainly solid phase. The microstructure at the middle and at the front of the sample are solid-liquid two-phase coexistence of granular or near spherical semi-solid microstructure.

Key words： rotating-rod induced nucleation (RRIN) ZCuSn10 alloy rheological squeeze microstructure evolution

Published: 07 May 2018

CLC number:

TG146.21

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	Articles by authors
	LI Yongkun
	LI Lu
	ZHOU Rongfeng
	ZHANG Yanfeng
	XIAO Han
	JIANG Yehua
	LU Denghong

Cite this article:

LI Yongkun,LI Lu,ZHOU Rongfeng, et al. Microstructure Evolution of Semi-solid ZCuSn10 Alloy Prepared by Rheological Squeeze Casting[J]. Materials Reports, 2017, 31(16): 60-64.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2017.016.013 OR http://www.mater-rep.com/EN/Y2017/V31/I16/60

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