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首页> 外文期刊>ISIJ international >Crystal Plasticity Modeling for Non-ferrous Metals and its Engineering Applications
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Crystal Plasticity Modeling for Non-ferrous Metals and its Engineering Applications

机译：用于有色金属的晶体塑性建模及其工程应用

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摘要

Crystal plasticity models enable predictions of macroscopic deformation behavior as well as texture evolution of metallic materials based on mesoscopic deformation at the grain level. Owing to recent improvements in predictive accuracy, crystal plasticity models are expected to be used not only for academic purposes but also for industrial applications. There are several possible approaches for utilizing crystal plasticity models in industrial applications, including numerical material testing, in which the material parameters of phenomenological constitutive models are determined; alternative constitutive equations in simulations; and the development of innovative materials with improved formability. In this review paper, recent progress in crystal plasticity modeling, specifically in terms of engineering applications, is discussed. The focus is primarily on hexagonal close-packed (hcp) metals, including magnesium alloy and commercially pure titanium sheets, which exhibit strong anisotropic and asymmetric deformation behavior. On the basis of our recent progresses, the crystal plasticity modeling was first explained, followed by some application examples for a variety of loading conditions, including uniaxial tension and compression, reverse loading, and biaxial tension. The application to face-centered cubic (fcc) and body-centered cubic (bcc) metals and future prospects are also discussed.
机译：晶体塑性模型能够预测宏观变形行为以及基于晶粒水平的介观变形的金属材料的纹理演化。由于最近的预测精度的改进，预计晶体塑性模型通常不仅用于学术目的，还用于工业应用。利用工业应用中的晶体塑性模型有几种可能的方法，包括数值材料测试，确定现象学基本模型的材料参数;模拟中的替代本构方程;以及改进成型性的创新材料的开发。在本文中，讨论了近期晶体塑性建模的进展，特别是在工程应用方面。该重点主要是六角形紧密填充（HCP）金属，包括镁合金和商业纯钛板，其具有强大的各向异性和不对称变形行为。在我们最近进展的基础上，首先解释晶体塑性建模，其次是各种装载条件的应用实例，包括单轴张力和压缩，反向载荷和双轴张力。还讨论了以面对中心的立方（FCC）和身体为中心的立方（BCC）金属和未来前景。

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