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A Review on the Finite Element Modeling of the Particle Reinforced Metal Matrix Composites in Cutting Process

机译:切割过程中颗粒增强金属基复合材料的有限元建模综述

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Background: Particle Reinforced Metal Matrix Composites (PRMMCs) are widely usedbecause of the higher specific strength, better dimensional stability, lower thermal expansion coefficient,better wear and corrosion resistance. However, the existence of reinforcing particles makes ithard to machine. The main manifestations are as follows: severe tool wear, easy generation of debristumors in processing, and many defects on the machined surface, etc. These seriously limit its widerapplication. The Finite Element Method (FEM) has been widely applied in the research ofPRMMCs machining according to recent patents, which can improve the efficiency and reduce thecost of research. Therefore, it is necessary to carry out a deep research for the processing technologyof PRMMCs.Methods: In this paper, the latest research progress of finite element simulation of cutting PRMMCswas summarized. The key technologies of finite element simulation, including constitutive model,geometric model, friction model between chip and tool, fracture criterion and mesh generation, arecomprehensively analyzed and summarized. The application in the specific processing methods wasdiscussed, such as turning, milling, grinding, ultrasonic vibration grinding and drilling. The existingproblems and development direction of the simulation of PRMMCs cutting are also given. Besides,a lot of patents on finite element simulation for PRMMCs machining were studied.Results: Finite element model for the actual composition determines the accuracy of finite elementsimulation. Through the secondary development of finite element software, a more realistic finiteelement model of Particle reinforced metal matrix composites can be established.Conclusion: Finite Element Method (FEM) provides a new approach for the study of mechanism ofParticle reinforced metal matrix composites machining. Quantitative analysis and prediction of micro-details in cutting can be realized.
机译:背景技术颗粒增强金属基质复合材料(PRMMCS)被广泛使用了较高的比强度,更好的尺寸稳定性,较低的热膨胀系数,更好的磨损和耐腐蚀性。然而,增强颗粒的存在使itithard到机器。主要表现形式如下:严重的工具磨损,易于生成的加工中的吹扫,以及加工表面上的许多缺陷等。这些严重限制了其宽泛的应用。有限元方法(FEM)已广泛应用于根据最近专利的普遍研究,可以提高研究的效率和减少。因此,有必要对PRMMCS的加工技术进行深入的研究。本文综述了剪切PRMMCSWAS有限元模拟的最新研究进展。有限元模拟的关键技术,包括芯片和工具之间的构成模型,几何模型,摩擦模型,裂缝标准和网格生成,省略和总结。特定加工方法中的应用呈探讨,如转动,铣削,磨削,超声波振动磨削和钻孔。还给出了PRMMCS切割模拟的现有问题和发展方向。此外,研究了对PRMMCS加工的有限元模拟的大量专利。结果:实际组成的有限元模型决定了有限元素的准确性。通过有限元软件的二次开发,可以建立一种更现实的颗粒增强金属基复合材料的有限元模型。结论:有限元方法(FEM)为粒子加固金属基质复合材料加工机理的研究提供了一种新方法。可以实现切割中微细节的定量分析和预测。

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