Ti-26合金反挤压的热力耦合模拟
发布人：上海艾荔艾合金股份有限公司www.shailiai.cn
更新时间：2016-01-17
近β钛合金Ti-26在固溶状态下具有很好的塑性，时效后可以达到很高的强度，具有广泛的应用价值。利用刚粘塑性有限元法，结合物理模拟，建立3层BP人工神经网络模型，开发一个相应的有限元数值模拟系统，对Ti-26合金杯形件的反挤压成形过程进行数值模拟分析，获得高强钛合金反挤压成形时应力、应变的分布信息以及载荷与行程的关系。所得结果对零件的成形工艺参数的优化和模具设计都具有指导意义。
Ti-26合金反挤压的热力耦合模拟Simulation of coupled thermo-mechanical behavior of Ti-26 titanium alloy during back-extrusion 近β钛合金Ti-26在固溶状态下具有很好的塑性，时效后可以达到很高的强度，具有广泛的应用价值。利用刚粘塑性有限元法，结合物理模拟，建立3层BP人工神经网络模型，开发一个相应的有限元数值模拟系统，对Ti-26合金杯形件的反挤压成形过程进行数值模拟分析，获得高强钛合金反挤压成形时应力、应变的分布信息以及载荷与行程的关系。所得结果对零件的成形工艺参数的优化和模具设计都具有指导意义。
The near β Ti-26 titanium alloy has widespread prospect because it owns good plastic after solution and high strength after aging. Combining physical simulation with numerical simulation, a finite element numerical simulation system was developed to simulate the back-extrusion process of Ti-26 titanium alloy by introducing three layers BP neural network models into thermal mechanical coupled rigid-viscoplastic finite element model. The relations between the load and stroke, the distribution rules of stress and strain are obtained. This is helpful to the technology planning and the design of the dies.
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AILIAI has been a reliable partner and supplier of sophisticated and high-quality semi-finished products maed of alloys. In dialogue with our customers, we optimise our products to meet the specific application requirements. AILIAI develops the best alloy material solutions for current and future challenges.
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