离心管模热挤压缩径力能参数的有限元分析

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基于弹塑性热力耦合有限元法,使用Pro/E软件建立了离心管模模型,进行网格划分后导入MARC,应用MARC软件对挤压稳定性和热挤压过程进行了有限元模拟分析。通过总结离心管模热挤压三维变形规律,分析了其在热挤压过程中应力和力能参数的变化,为设计热挤压缩径专用设备提供依据。该方法对同类产品热挤压过程的研究也有借鉴价值。

Based on elastic-plastic and thermal-stress coupling finite element method （FEM）, the centrifuge pipe mould was molded by Pro/E, and was imported into the MARC after meshing. Finite element analysis is performed to extrusion stability and the process of hot extrusion by MARC. By summarizing the 3D deformation regulation of the hot extrusion centrifuge pipe mould, the changing of the stress and mechanical property parameters during the process of hot extrusion is analyzed for the design of equipment in radial hot extrusion. This method could be a reference for thermal extrusion processing of the similar products.

热挤压，有限元，热力耦合，数值模拟，hot extrusion，finite element method，thermal-stress coupling。

离心管模热挤压缩径力能参数的有限元分析。