| 热力耦合作用下叶片锻造晶粒尺寸的预测 |
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| 引用本文： | 蔡旺,杨合,李从心. 热力耦合作用下叶片锻造晶粒尺寸的预测[J]. 锻压技术, 2004, 29(6): 67-69 |
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| 作者姓名： | 蔡旺 杨合 李从心 |
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| 作者单位： | 上海交通大学模具CAD国家工程研究中心,200030;西北工业大学材料科学与工程学院,710072 |
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| 摘 要： | 采用自行开发的面向叶片精锻过程的三维刚黏塑性热力耦合有限元模拟分析系统，并与适用于TC4钛合金锻造晶粒尺寸预测模型相结合，对热力耦合作用下单榫头叶片精锻过程的晶粒尺寸进行计算，获得叶片锻造过程中不同压下量的晶粒尺寸分布，并分析叶片锻造过程对其晶粒尺寸的影响规律。
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| 关 键 词： | 叶片 有限元模拟 热力耦合 晶粒尺寸 |
Prediction of grain size in the forging process of blade under the action of coupled thermo-mechanical forming |
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| CAI Wang YANG He LI Cong-xin. Prediction of grain size in the forging process of blade under the action of coupled thermo-mechanical forming[J]. Forging & Stamping Technology, 2004, 29(6): 67-69 |
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| Authors: | CAI Wang YANG He LI Cong-xin |
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| Affiliation: | CAI Wang 1 YANG He 2 LI Cong-xin 1 |
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| Abstract: | Based on a simulation analyzing system which was developed by ourselves, 3D-CTM (3-Dimensional Coupled Thermo-mechanical Forming Simulation), for precision forging of the blade and a model which can be used to predict grain size of forging TC4 titanium alloy, the grain size of the precision forging process of blade with tenon is computed by 3D-CTM system with deforming phases, and the influence disciplinarian on grain size is studied. |
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| Keywords: | Blade FEM simulation Thermal-mechanical coupling Grain size |
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