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Analysis of High-Velocity Tungsten Rod on Penetrating Brittle Target
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Yan-Bin WANG1, 2, Jiu-Hong LI3, Xue-Ying WEI4, Mao-Hong YU1
Chinese Journal of High Pressure Physics | 2005, 19(3) : 257 - 263
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Chinese Journal of High Pressure Physics | 2005, 19(3): 257-263
Analysis of High-Velocity Tungsten Rod on Penetrating Brittle Target
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Yan-Bin WANG1, 2, Jiu-Hong LI3, Xue-Ying WEI4, Mao-Hong YU1
Affiliations
  • 1.School of Civil Engineering and Mechanics, Xi'an Jiaotong University, Xi'an 710049, China
  • 2.Northwest China Electric Power Test & Research Institute, Xi'an 710054, China
  • 3.Department of Civil Engineering, Xi'an University of Technology, Xi'an 710048, China
  • 4.School of Civil Engineering, Chang'an University, Xi'an 710054, China
Published: 2005-09-05
Outline
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Brittle materials can be pulverized near the tip of the penetrator under high-velocity impact. This paper considers the pulverization of brittle materials and divides the target into the pulverized, cracked and elastic regions, and derived the cavity expansion pressure, viz. target resistance Rt of A-T model (modified hydrodynamic model) based on static cylindrical cavity expansion theory. The influences of the pressure-shear coefficient on Rt and stress fields are discussed. The depth of penetration is calculated using A-T model for a tungsten long rod impacting brittle target at 1.5~4.5 km/s. The calculated results of this model are compared with the experimental data and the results of other models.

brittle materials  /  penetration  /  cylindrical cavity expansion theory  /  target resistance
王延斌, 李九红, 魏雪英, 俞茂宏. 高速钨杆弹对脆性靶体的侵彻分析. 高压物理学报, 2005 , 19 (3) : 257 -263 .
Yan-Bin WANG, Jiu-Hong LI, Xue-Ying WEI, Mao-Hong YU. Analysis of High-Velocity Tungsten Rod on Penetrating Brittle Target[J]. Chinese Journal of High Pressure Physics, 2005 , 19 (3) : 257 -263 .
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Year 2005 volume 19 Issue 3
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Article Info
  • Receive Date：2004-06-10
  • Online Date：2026-10-31
  • Published：2005-09-05
Article Data
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History
  • Received：2004-06-10
  • Revised：2005-01-11
Affiliations
    1.School of Civil Engineering and Mechanics, Xi'an Jiaotong University, Xi'an 710049, China
    2.Northwest China Electric Power Test & Research Institute, Xi'an 710054, China
    3.Department of Civil Engineering, Xi'an University of Technology, Xi'an 710048, China
    4.School of Civil Engineering, Chang'an University, Xi'an 710054, China
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表12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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