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Effect of Crystal Orientations on Nanocutting Based on Quasicontinuum Multiscale Method

机译:基于喹啉素的纳米处理晶体取向对纳米处理的影响

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Nanocutting is one of the most important ultraprecision methods to obtain complex optics with high quality finish.Molecular dynamics is widely used to investigate the nanocutting mechanism due to the nanometric cutting depth.For high efficiency and large scale simulation,the multiscale method is significantly necessary.Quasicontinuum (QC) multiscale method is utilized to study the effect of crystal orientation on nanometric cutting of single crystal copper with the embedded atom method (EAM).The results show that the dislocation generation emission and the distribution of residual stress in workpiece strongly depends on the crystal orientation and cutting direction.The cutting direction along [101] on crystal orientation (111) is recommended to fabricate the higher quality surface.Finally it is proved that QC method is an efficient approach to study the nanocutting mechanism.
机译:Nanocutting是获得具有高质量完成的复杂光学元件的最重要的超自眼方法之一。由于纳米切削深度,广泛用于研究纳米处理机构的焦平动态。对于高效率和大规模仿真,多尺度方法是显着的。 QuasiContinuum(QC)多尺度方法用于研究晶体取向对嵌入原子法(EAM)的单晶铜纳米切割的影响。结果表明,拆卸发射和工件中的残余应力分布强烈取决于晶体取向和切割方向。建议使用晶体取向(111)的切割方向以制造更高质量的表面。总而言之,QC方法是研究纳米术机构的有效方法。

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