高压物理学报

颗粒金属材料冲击压缩细观数值模拟

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乔良 ¹^,² , 张先锋 ¹ , 何勇 ¹ , 史安顺 ¹^,³ , 张将 ¹^,⁴

高压物理学报 | 2013,27(6): 863-871

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高压物理学报 | 2013 , 27 (6) : 863 -871

颗粒金属材料冲击压缩细观数值模拟

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乔良¹^,², 张先锋¹, 何勇¹, 史安顺¹^,³, 张将¹^,⁴

作者信息

^1.南京理工大学智能弹药国防重点学科实验室，江苏南京　210094

^2.北京航天长征飞行器研究所，北京　100076

^3.中国兵器科学研究院烟台分院，山东烟台　264003

^4.中国兵器科学研究院宁波分院，浙江宁波　315103

通讯作者:

张先锋（1978—），男，副教授，博士生导师，主要从事材料冲击动力学、战斗部高效毁伤研究. E-mail：lynx@mail.njust.edu.cn

作者简介:

乔良（1986—），男，博士，工程师，主要从事战斗部高效毁伤研究. E-mail：lyqiaoliang@hotmail.com

Meso-Scale Numerical Simulation of the Shock Compression of Particle Metal Materials

Liang QIAO¹^,², Xian-Feng ZHANG¹, Yong HE¹, An-Shun SHI¹^,³, Jiang ZHANG¹^,⁴

Affiliations

^1.Ministerial Key Laboratory of ZNDY, Nanjing University of Science & Technology, Nanjing 210094, China

^2.Beijing Institute of Space Long March Vehicle, Beijing 100076, China

^3.Yantai Branch of China Academy of Ordnance Science, Yantai 264003, China

^4.Ningbo Branch of China Academy of Ordnance Science, Ningbo 315103, China

出版时间: 2013-12-15

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摘要

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颗粒金属材料的细观特性对其宏观力学性能有着重要影响。为进一步分析颗粒直径、分布、形态、孔隙率等细观特性对宏观冲击响应行为的影响规律，从颗粒金属材料的细观结构入手，经合理简化，建立了能够反映材料细观分布特性的有限元模型。基于AUTODYN有限元计算程序，对颗粒金属材料冲击压缩细观行为进行了数值模拟，确定了典型颗粒金属材料冲击Hugoniot参数，并与已有的实验结果进行了对比。获取了材料细观特性（颗粒粒径、材料密实度）对材料宏观冲击压缩特性的影响规律，并从细观尺度上获取了材料冲击压缩过程中颗粒冲击变形演化及冲击温升情况。结果表明，数值仿真结果与已有实验数据吻合良好，颗粒金属材料的细观特性对其宏观响应行为有较为显著的影响。

关键词

颗粒金属材料 / 冲击压缩 / 细观模型 / Hugoniot参数 / 数值模拟

Abstract

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Meso-scale characteristics of particle metal materials (PMM) play an important role in determining its macro-scale mechanical property. In order to investigate relationship between meso-scale characters (particle size, distribution, morphology, porosity) and macro-scale mechanical property, a FEM meso-scale model which can follow the distribution of real structure was built with reasonable simplification. By exploiting AUTODYN FEM software, shock compression process of PMM was simulated and Hugoniot parameters of typical PMM were extracted. Based on the simulated results, conclusion was made on how the meso-scale characteristics (e. g. theoretical mass density, particle size) make impact on the macro-scale shock compression mechanical property. Deformation morphologies and temperature rise during shock compression were also acquired by simulations. It is shown that the simulated result shows a good agreement with the experiment and the meso-scale characteristics of PMM play an important role on its macro-scale property.

Key words

particle metal materials / shock compression / meso-scale model / Hugoniot parameters / numerical simulation

引用本文

乔良, 张先锋, 何勇, 史安顺, 张将. 颗粒金属材料冲击压缩细观数值模拟. 高压物理学报, 2013 , 27 (6) : 863 -871 .

Liang QIAO, Xian-Feng ZHANG, Yong HE, An-Shun SHI, Jiang ZHANG. Meso-Scale Numerical Simulation of the Shock Compression of Particle Metal Materials[J]. Chinese Journal of High Pressure Physics, 2013 , 27 (6) : 863 -871 .

基金

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国家自然科学基金(10902053)
爆炸科学与技术国家重点实验室开放基金(KFJJ10-6M)

参考文献

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2013年第27卷第6期

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接收时间：2012-03-06
首发时间：2026-11-05
出版时间：2013-12-15

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出版历史

收稿日期：2012-03-06
修回日期：2012-05-30

基金

国家自然科学基金(10902053)

爆炸科学与技术国家重点实验室开放基金(KFJJ10-6M)

作者信息

^1.南京理工大学智能弹药国防重点学科实验室，江苏南京　210094

^2.北京航天长征飞行器研究所，北京　100076

^3.中国兵器科学研究院烟台分院，山东烟台　264003

^4.中国兵器科学研究院宁波分院，浙江宁波　315103

通讯作者:

张先锋（1978—），男，副教授，博士生导师，主要从事材料冲击动力学、战斗部高效毁伤研究. E-mail：lynx@mail.njust.edu.cn

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https://castjournals.cast.org.cn/joweb/gywlxb/CN/1325115744282882843

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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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