Influence of Solid Fraction and Shape Factor on Rheological Filling Ability of Semi-solid A356Alloy Melt

Zhang Haiying; Li Hongmei; Xing Shuming

doi:10.15980/j.tzzz.2016.10.011

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Influence of Solid Fraction and Shape Factor on Rheological Filling Ability of Semi-solid A356Alloy Melt
Vol. 36, Issue 10, Pages: 1051-1053(2016)
Published： 2016 ，
DOI： 10.15980/j.tzzz.2016.10.011

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[1]张海英,李红梅,邢书明.半固态A356铝合金固相率和形状因子对充型能力的影响[J].特种铸造及有色合金,2016,36(10):1051-1053.

Zhang Haiying, Li Hongmei, Xing Shuming. Influence of Solid Fraction and Shape Factor on Rheological Filling Ability of Semi-solid A356Alloy Melt. [J]. Special Casting & Nonferrous Alloys 36(10):1051-1053(2016)
[1]张海英,李红梅,邢书明.半固态A356铝合金固相率和形状因子对充型能力的影响[J].特种铸造及有色合金,2016,36(10):1051-1053. DOI： 10.15980/j.tzzz.2016.10.011.

Zhang Haiying, Li Hongmei, Xing Shuming. Influence of Solid Fraction and Shape Factor on Rheological Filling Ability of Semi-solid A356Alloy Melt. [J]. Special Casting & Nonferrous Alloys 36(10):1051-1053(2016) DOI： 10.15980/j.tzzz.2016.10.011.

摘要

制备了半固态A356铝合金熔体

在自主设计的阿基米德螺旋线试验模具中挤压成形

利用螺旋线试样研究了充型能力。通过控制制备工艺参数得到不同的固相率和形状因子

研究了不同的固相率和形状因子对流变充型能力的影响。结果表明

在相同的工艺参数条件下

固相率变化对半固态铝合金熔体流变充型能力的影响大于形状因子的变化影响。流变充型能力随着固相率的增加而显著减小

随着形状因子的减小而增大。

Abstract

Semi-solid A356 alloy melt was prepared and formed by squeezing casting in Archimedes spiral experiment die

and then filling ability of A356 aluminum alloy was analyzed by measuring the length of the sample spiral line.By controlling the process parameters to obtain different solid fraction and shape factor

influences of the solid fraction and shape factor on the rheological filling ability of A356 alloy melt was investigated.The results reveal that

under the same process parameters

influences of the solid fraction on the rheological filling capacity of semi-solid alloy melt is the greater than that of the shape factor.And the rheological filling ability is decreased significantly with increasing in the solid fraction

and increased with the decrease of shape factor.