Comparison of Semi-Solid Contraction of Aluminum Alloys During Solidification Quantified by a Combined Numerical-Experimental Approach

被引：2
|
作者：
Alhejazi, H. J. [1 ]
Maijer, D. M. [1 ]
Macht, J. P. [1 ]
Phillion, A. B. [2 ]
机构：
[1] Univ British Columbia, Dept Mat Engn, Vancouver, BC V6T 1Z4, Canada
[2] McMaster Univ, Dept Mat Sci & Engn, Hamilton, ON L8S 4L7, Canada
来源：
METALS AND MATERIALS INTERNATIONAL | 2022年 / 28卷 / 08期
关键词：
Aluminum alloys; Solidification; Semi-solid contraction; Heat transfer coefficient; Thermal strain; Thermal-stress model; A356;
D O I：
10.1007/s12540-021-01076-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A combined numerical/experimental technique has been applied to study the semi-solid contraction behavior of aluminum alloys. The semi-solid contraction coefficients of A319, B206, 1350, as well as strontium-modified A356 were calculated using a coupled thermal-stress model to simulate the temperature and displacement of T-shaped castings produced with each alloy. The simulation results show good agreement between the predicted results and experimental data confirming the validity of the methodology for specifying the semi-solid contraction. The technique has been used successfully to present a comprehensive analysis of the semi-solid contraction behavior of the investigated aluminum alloys, as well as useful material property data for macro-scale models of casting processes.
引用
收藏
页码：1783 / 1793
页数：11
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