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题名: Boundary element analysis of the thermal behaviour in thin-coated cutting tools
作者: Yaoming Zhang;Yan Gu;Jeng-Tzong Chen
贡献者: NTOU:Department of Harbor and River Engineering
关键词: Tool coating;Temperature distributions;Boundary element method;Transformation;Nearly singular integrals;Thin body;High-order geometry element
日期: 2010-09
上传时间: 2011-10-20T08:11:27Z
出版者: Engineering Analysis with Boundary Elements
摘要: abstract:Temperature measurement and prediction have been a major focus of machining for several decades, but now these problems become more complex due to the wider use of advanced cutting tool coatings. In all literature items cited the boundary element method (BEM) were used to find the distribution of temperature inside the uncoated tool body or along the tool–chip interface in the machining processes. The BEM-based approach proposed in this paper overcomes this limit and the temperature distribution in thin coated layers is well studied. In this study, a general strategy based on a nonlinear transformation technique is introduced and applied to evaluate the nearly singular integrals occurring in two dimensional (2D) thin-coated structures. For the test problems studied, very promising results are obtained when the thickness to length ratio is in the orders of 1.0E−6 to 1.0E−10, which is sufficient for modeling most thin-coated structures in the micro- or nano-sclaes.
關聯: 34(9), pp.775–784
显示于类别:[河海工程學系] 期刊論文


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