Simulation of the bite condition of AZ31 sheet rolling

Z. Liu
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Abstract

Sheet rolling is a simple plastic deformation of which, there are many formulas to describe its bite condition, however, there is no rigorous theoretical analysis and result and the applying ranges of these formulas are limited. Although the bite condition is not an important problem in engineering or academy, it is really a term influenced by many factors and it is difficult, maybe impossible to be expressed by an equation. In this paper, by finite element software, the bite condition or the critical friction factor under different thicknesses of AZ31 sheet, rolling reduction, sheet temperature and roller temperature are calculated and with large result data, the change regulation of the bite condition appears which is shown in a colour brick model. This example shows that, avoiding rigorous theoretical analysis, a complex situation can be numerically illustrated well by finite element software.
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AZ31板材轧制咬合状态的模拟
薄板轧制是一种简单的塑性变形,有许多公式可以描述其咬入状态,但没有严格的理论分析和结果,这些公式的适用范围有限。虽然咬合条件在工程或学术上不是一个重要的问题,但它确实是一个受许多因素影响的术语,很难,甚至不可能用方程来表达。本文用有限元软件计算了不同厚度AZ31板材、轧制压下量、板材温度和轧辊温度下的咬入状态或临界摩擦系数,并用大量的结果数据表明,咬入状态的变化规律表现在彩砖模型中。这个例子表明,在避免严格的理论分析的情况下,有限元软件可以很好地对复杂的情况进行数值说明。
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来源期刊
CiteScore
1.20
自引率
0.00%
发文量
3
期刊介绍: IJCMSSE is a refereed international journal that aims to provide a blend of theoretical and applied study of computational materials science and surface engineering. The scope of IJCMSSE original scientific papers that describe computer methods of modelling, simulation, and prediction for designing materials and structures at all length scales. The Editors-in-Chief of IJCMSSE encourage the submission of fundamental and interdisciplinary contributions on materials science and engineering, surface engineering and computational methods of modelling, simulation, and prediction. Papers published in IJCMSSE involve the solution of current problems, in which it is necessary to apply computational materials science and surface engineering methods for solving relevant engineering problems.
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