A Combined Numerical-Experimental Approach to Quantify the Thermal Contraction of A356 During Solidification

被引：7
|
作者：
Macht, J. P. [1 ]
Maijer, D. M. [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：
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2017年 / 48A卷 / 07期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Heat Transfer Coefficient; Thermal Contraction; Finite Element Analysis Model; Thermal Contact Conductance; Solidification Contraction;
D O I：
10.1007/s11661-017-4097-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A process for generating thermal contraction coefficients for use in the solidification modeling of aluminum castings is presented. Sequentially coupled thermal-stress modeling is used in conjunction with experimentation to empirically generate the thermal contraction coefficients for a strontium-modified A356 alloy. The impact of cooling curve analysis on the modeling procedure is studied. Model results are in good agreement with experimental findings, indicating a sound methodology for quantifying the thermal contraction. The technique can be applied to other commercially relevant aluminum alloys, increasing the utility of solidification modeling in the casting industry.
引用
收藏
页码：3370 / 3376
页数：7
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