高压物理学报

平头弹丸正撞击下延性金属靶板的破坏模式

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潘建华 , 文鹤鸣

高压物理学报 | 2007,21(2): 157-164

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高压物理学报 | 2007 , 21 (2) : 157 -164

平头弹丸正撞击下延性金属靶板的破坏模式

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潘建华, 文鹤鸣

作者信息

中国科学技术大学中科院材料力学行为和设计重点实验室，安徽合肥　230027

通讯作者:

文鹤鸣（1965—），男，教授，博士生导师，主要从事冲击动力学研究. E-mail：hmwen@ustc.edu.cn

作者简介:

潘建华（1981—），男，硕士研究生，主要从事冲击动力学研究. E-mail：jhpan@mail.ustc.edu.cn

Failure Modes of Ductile Metal Plates under Normal Impact by Flat-Ended Projectiles

Jian-Hua PAN, He-Ming WEN

Affiliations

CAS Key Laboratory for Mechanical Behaviour and Design of Materials, University of Science and Technology of China, Hefei 230027, China

出版时间: 2007-06-05

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摘要

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对延性金属靶板在刚性平头弹丸正撞击下的破坏模式进行了研究。一般而言，延性金属靶板的破坏模式可以分为两种：带有总体变形的局部简单剪切破坏和局部化的绝热剪切冲塞破坏。首先基于Bai-Johnson热塑性本构关系建立了一个局部化的绝热剪切冲塞模型，然后结合描述带有总体变形的局部简单剪切破坏的Wen-Jones模型，找出了两种模型之间转化的临界条件。理论预测与文献中的实验结果吻合得很好。

关键词

延性金属靶板 / 平头弹丸 / 破坏模式 / 简单剪切破坏 / 绝热剪切冲塞 / 弹道极限

Abstract

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This paper examines the failure modes of ductile metal plates subjected to impact by rigid flat-ended projectiles at normal incidence. General speaking, there are two failure modes which can occur in a ductile metal plate: simple shear failure with global deformation, and localized adiabatic shear plugging. Based on the thermoplastic constitutive relationship of Bai and Johnson, an adiabatic shear plugging model is first proposed. When combined with the Wen-Jones model which describes simple shear failure with global response, a critical condition for the change in these two failure modes is obtained. It transpires that the present theoretical predictions are in good agreement with available experimental observations in terms of failure modes and ballistic limits.

Key words

ductile metal plate / flat-ended projectile / failure mode / simple shear failure / adiabatic shear plugging / ballistic limit

引用本文

潘建华, 文鹤鸣. 平头弹丸正撞击下延性金属靶板的破坏模式. 高压物理学报, 2007 , 21 (2) : 157 -164 .

Jian-Hua PAN, He-Ming WEN. Failure Modes of Ductile Metal Plates under Normal Impact by Flat-Ended Projectiles[J]. Chinese Journal of High Pressure Physics, 2007 , 21 (2) : 157 -164 .

参考文献

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参考文献引证文献

排序方式：

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2007年第21卷第2期

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接收时间：2006-07-31
首发时间：2026-11-01
出版时间：2007-06-05

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收稿日期：2006-07-31
修回日期：2006-09-14

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作者信息

中国科学技术大学中科院材料力学行为和设计重点实验室，安徽合肥　230027

通讯作者:

文鹤鸣（1965—），男，教授，博士生导师，主要从事冲击动力学研究. E-mail：hmwen@ustc.edu.cn

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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