Crystal-plasticity modelling of machining

Crystal-plasticity modelling of machining
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加工的晶体塑性建模

DOI：
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发表时间：
2014
期刊：
影响因子：
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通讯作者：
S. A. Zahedi
S. A. Zahedi
中科院分区：
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文献类型：
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作者：
S. A. Zahedi

文献摘要

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机械加工工艺是用于去除材料的最常用技术之一 材料以创建最终产品。大多数关于切削机理的研究 假设所研究的材料是各向同性的， 均匀且连续。材料的一个重要特征——各向异性 与其晶体学性质有关，这在加工中通常被忽略 研究。工件材料的晶体取向对工件产生很大影响 对切屑形成机制的影响。因此，需要开发 对材料行为和材料去除的基本了解 流程。晶体取向对切削力的影响 文献中广泛报道了单晶的发展 加工模型有一定限制。 [继续。]
A machining process is one of the most common techniques used to remove material in order to create a final product. Most studies on mechanisms of cutting are performed under the assumption that the studied material is isotropic, homogeneous and continuous. One important feature of material- its anisotropyis linked to its crystallographic nature, which is usually ignored in machining studies. A crystallographic orientation of a workpiece material exerts a great influence on the chip-formation mechanism. Thus, there is a need for developing fundamental understanding of material’s behaviour and material removal processes. While the effect of crystallographic orientation on cutting-force variation is extensively reported in the literature, the development of the single crystal machining models is somewhat limited. [Continues.]