合金钢圆柱体空冷过程温度场模拟.doc
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1、合金钢圆柱体空冷过程温度场模拟摘要:随着计算机技术的迅速发展,正火过程的计算机模拟越来越受到人们的重视,已成为当今正火过程研究和正火工艺设计中必不可少的重要方法。热处理过程计算机模拟具有速度快、效率高、结果形象逼真、能综合全面反映热处理过程中各种变化规律的特点。与试验研究相结合,可以极大地拓展实测数据提供的信息,完成试验研究很难做到甚至不能做到的工作。合金钢热处理直接影响着合金钢材料组织和力学性能。本文采用ANSYS软件通过创建几何模型、划分网格、加载求解等过程对20CrMnTi正火和空冷温度场进行模拟。实验结果表明:在合金钢热处理过程中,合金钢壁厚不同,会影响正火温度场分布,从而影响合金钢的
2、寿命和质量。通过对模拟结果的分析,可以为合金钢的变形、开裂等缺陷的预测提供依据。关键词:ANSYS分析基础,正火工艺基础,20CrMnTi正火分析Alloy steel cylinder air cooling temperature field simulationAbstract:With the rapid development of computer technology, the normalizing process computer simulation more and more get peoples attention, has become todays researc
3、h and normalizing process is indispensable important method in the design of fire process. Computer simulation of heat treatment process with high speed, high efficiency, the image is clear and comprehensive reflection of the characteristics of various change law in the process of heat treatment. Co
4、mbined with experimental study, can greatly expand the information provided by the measured data, complete experimental study hard cant even do that work .Alloy steel heat treatment directly affects the organization and mechanical properties of alloy steel materials. This article USES the ANSYS soft
5、ware by creating model geometry, mesh, load of the process of 20 crmnti is fire and air cooling temperature field was simulated. The experimental results show that in the process of alloy steel heat treatment, steel wall thickness is different, will affect the normalizing temperature field distribut
6、ion, so as to affect the service life of alloy steel and quality. Through the analysis of simulation results, can for the prediction of the deformation, cracking and other defects of alloy steel. Keywords: ANSYS analysis foundation, normalizing process, 20 crmnti normalized analysis 目 录1 绪论11.1问题的提出
7、和研究意义11.2 研究现状21.3 本文研究目的和研究内容22 ANSYS软件组成42.1 ANSYS简介42.2 ANSYS软件组成43 合金钢加热数值模拟过程83.1 模拟方案的确定83.2 数值模拟的内容83.2.1 材料及参数的选择93.2.2 构建数学模型93.2.3 网络划分103.2.4 施加载荷与求解113.2.5 后处理143.3 数值模拟结果讨论204 合金钢空冷数值模拟过程214.1 模拟方案的确定214.2 数值模拟的内容214.2.1 材料及参数的选择214.2.2 构建数学模型214.2.3 网络划分224.2.4施加载荷与求解234.2.5 后处理264.3 数
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