不同叠层顺序下的TC4 薄板抗平头弹冲击性能

中国民航大学学报 ›› 2021, Vol. 39 ›› Issue (1): 52-58.

不同叠层顺序下的TC4 薄板抗平头弹冲击性能

胡静，王陆军，胡昂

（中国民航大学航空工程学院，天津300300）

出版日期:2021-02-25 发布日期:2021-02-16
作者简介:胡静（1972—），女，江西高安人，教授，硕士，研究方向为航空维修工程.

Impact resistance of TC4 plate against blunt projectile under different layer orders#br#

HU Jing, WANG Lujun, HU Ang

(College of Aeronautical Engineering, CAUC, Tianjin 300300, China)

Online:2021-02-25 Published:2021-02-16

摘要/Abstract

摘要： 为研究TC4 钛合金薄板在不同材料叠层顺序下的抗冲击性能和损伤模式，利用轻气炮系统进行平头弹高速正撞击TC4 钛合金单层板试验。在分析试验现象的基础上，利用ABAQUS 进行仿真模型和材料参数的有效性验证，并进一步分析TC4 和2A12 两种合金材料下，靶板叠层顺序对TC4 钛合金抗弹体冲击性能的影响。研究结果表明：该TC4 钛合金具有一定的韧性特征，在平头弹撞击下，主要发生由环向剪切力引起的冲塞破坏。靶板分层降低了TC4 薄板抗弹体冲击的性能，靶板叠层顺序影响TC4 薄板抗弹体侵彻的性能，软板在前硬板在后的叠层顺序抗冲击性能优于相反的叠层顺序。

关键词: TC4 钛合金薄板, 平头弹, 叠层顺序, 抗冲击性能, 侵彻性能

Abstract: In order to study the ballistic resistance and failure modes of TC4 titanium alloy plate under different material layer orders, high velocity impact experiment of blunt projectile on TC4 titanium alloy target plate is conducted by light gas gun. Based on the analysis of experimental phenomena, validity of simulation model and material parameters are verified by ABAQUS, and the influence of layer order and material on the ballistic resistance of TC4 titanium alloy is further analyzed. Experimental results indicate that the TC4 titanium alloy has certain toughness characteristics, the failure of shear plugging is mainly caused by annular shear force under the penetration of blunt projectile. Delamination decreases the ballistic resistance of TC4 plate, layer order
influences its ballistic resistance, the impact resistence performance with layer order with soft target in front of hard target is better than that with the reverse layer order.

Key words: TC4 titanium alloy plate, blunt projectile, layer order, impact resistance performance, penetration performance

中图分类号:

TB31
O385

胡静, 王陆军, 胡昂. 不同叠层顺序下的TC4 薄板抗平头弹冲击性能[J]. 中国民航大学学报, 2021, 39(1): 52-58.

HU Jing, WANG Lujun, HU Ang. Impact resistance of TC4 plate against blunt projectile under different layer orders#br#[J]. Journal of Civil Aviation University of China, 2021, 39(1): 52-58.

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