Constitutive Model of High Solid Fraction Semi-solid Material

Yu Xiaolu; Li Fuguo; Li Miaoquan

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Constitutive Model of High Solid Fraction Semi-solid Material
Issue 8, Pages: 480-482(2006)
Published： 2006 ，
DOI：

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[1]余小鲁,李付国,李淼泉.高固相率半固态材料本构模型的研究[J].特种铸造及有色合金,2006(08):480-482+460.

Yu Xiaolu, Li Fuguo, Li Miaoquan. Constitutive Model of High Solid Fraction Semi-solid Material. [J]. Special Casting & Nonferrous Alloys (8):480-482(2006)
[1]余小鲁,李付国,李淼泉.高固相率半固态材料本构模型的研究[J].特种铸造及有色合金,2006(08):480-482+460. DOI：

Yu Xiaolu, Li Fuguo, Li Miaoquan. Constitutive Model of High Solid Fraction Semi-solid Material. [J]. Special Casting & Nonferrous Alloys (8):480-482(2006) DOI：

摘要

研究了高固相率半固态材料的变形行为

基于连续介质力学和耦合理论

建立了描述其变形行为的两相本构模型

并以半固态Al-4Cu-Mg合金作为研究材料

根据等温压缩试验结果确定了本构模型中的待定参数

为深入进行半固态材料加工理论研究、计算机模拟和工艺实践提供了参考。

Abstract

The deformed behavior of high solid fraction semi-solid materials is paid attention to. The two-phase constitutive model is built up to describe the deformed behavior based on the continuum dielectric dynamics and coupled model. The parameters for constitutive model are determined based on isothermal compressive data of semi-solid Al-4Cu-Mg alloy

providing a reference for further investigation of semi-solid material production and numerical simulation as well as practical application.