| 高铬铸铁动态力学性能研究 |
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| 引用本文： | 郭超,王爱玲,王子恒.高铬铸铁动态力学性能研究[J].机械管理开发,2010,25(3):49-50,52. |
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| 作者姓名： | 郭超 王爱玲 王子恒 |
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| 作者单位： | 1. 中北大学山西省先进制造技术重点实验室,山西太原,030051
2. 山西长锋耐磨件有限公司,山西太原,030024 |
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| 摘 要： | 通过SHPB实验得出在不同温度.不同应变率下的高铬铸铁Cr15Mo的应力-应变曲线，选用Johnson—Cook材料模型确定材料的本构关系，将此本构关系输入到Abaqus有限元分析软件来进行高铬铸铁的高速切削加工的仿真与模拟。
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| 关 键 词： | 高铬铸铁 本构关系 动态力学性能 |
Study on Dynamic Mechanical Property of High-Chromium Cast Iron |
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| GUO Chao,WANG Ai-lin,WANG Zi-heng.Study on Dynamic Mechanical Property of High-Chromium Cast Iron[J].Mechanical Management and Development,2010,25(3):49-50,52. |
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| Authors: | GUO Chao WANG Ai-lin WANG Zi-heng |
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| Affiliation: | 1. Key Laboratory for A MT, North University of China, Taiyuan 030051, China; 2. Shanxi Changfeng Wearparts Co.Ltd., Taiyuan 030024, China) |
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| Abstract: | In this paper, the σ-ε relation of high-chromium cast iron Cr15Mo under different temperatures and strain rates are educed from the test of Split Hopkinson Press Bar （SHPB）, then Johnson-Cook metal constitutive model is selected and put to determine the constitutive relation of Cr15Mo. The constitutive relation can be used to emulate and simulate the high-speed cutting of Cr15Mo. |
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| Keywords: | High-chromium cast iron Constitutive relation Dynamic mechanical property |
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