| 正火态50SiMnVB钢Johnson-Cook本构方程的建立 |
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| 引用本文： | 刘盼萍,尹燕,常列珍,薛勇. 正火态50SiMnVB钢Johnson-Cook本构方程的建立[J]. 兵器材料科学与工程, 2009, 32(1) |
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| 作者姓名： | 刘盼萍 尹燕 常列珍 薛勇 |
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| 作者单位： | 中北大学理学院,山西,太原,030051;宁波鄞州区职业教育中心,浙江,宁波,315100;中北大学材料科学与工程学院,山西,太原,030051;北京航空航天大学机械工程及自动化学院,北京,100191 |
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| 基金项目： | 国家自然科学基金，山西省青年科学基金 |
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| 摘 要： | 对正火态的50SiMnVB钢常温下的准静态和动态力学特性进行测试,得出材料在不同应变率下的应力-应变曲线。根据Johnson-Cook模型,建立正火态50SiMnVB钢从准静态到动态较宽应变速率范围的物理本构方程。对比结果表明,所建立的本构方程和实验结果吻合较好。
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| 关 键 词： | 正火 50SiMnVB钢 Johnson-Cook本构方程 |
Establishing of Johnson-Cook constitutive equation for normalized steel 50SiMnVB |
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| LIU Panping,YIN Yan,CHANG Liezhen,XUE Yong. Establishing of Johnson-Cook constitutive equation for normalized steel 50SiMnVB[J]. Ordnance Material Science and Engineering, 2009, 32(1) |
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| Authors: | LIU Panping YIN Yan CHANG Liezhen XUE Yong |
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| Affiliation: | 1.School of Sciences;North University of China;Taiyuan 030051;China;2.Yinzhou District Vocational Education Center;Ningbo 315100;3.School of Materials Science and Engineering;4.Beijing University of Aeronautics & Astronautics;Beijing 100191;China |
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| Abstract: | The quasi-static and dynamic properties of normalized 50SiMnVB steel at room temperature were tested, and true stress-true strain curves at several strain rates were obtained.According to the Johnson-Cook model,the physical constitutive models for normalized 50SiMnVB steel were established, which described the deformation characteristics of the steel in a wide range of strain rates from quasi-static to dynamic range.Comparative results showed that the established constitutive equation agreed well with exper... |
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| Keywords: | normalizing 50SiMnVB steel Johnson-Cook constitutive equation |
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