钨丝/锆基非晶复合材料与93W合金弹芯侵彻靶板的损伤特征

吴烁罡 杜成鑫 周峰 高光发 吕文争 陈曦

吴烁罡, 杜成鑫, 周峰, 高光发, 吕文争, 陈曦. 钨丝/锆基非晶复合材料与93W合金弹芯侵彻靶板的损伤特征[J]. 爆炸与冲击, 2024, 44(4): 043302. doi: 10.11883/bzycj-2023-0312
引用本文: 吴烁罡, 杜成鑫, 周峰, 高光发, 吕文争, 陈曦. 钨丝/锆基非晶复合材料与93W合金弹芯侵彻靶板的损伤特征[J]. 爆炸与冲击, 2024, 44(4): 043302. doi: 10.11883/bzycj-2023-0312
WU Shuogang, DU Chengxin, ZHOU Feng, GAO Guangfa, LYU Wenzheng, CHEN Xi. Damage characteristic of target penetrated by WF/Zr-MG and 93W rods[J]. Explosion And Shock Waves, 2024, 44(4): 043302. doi: 10.11883/bzycj-2023-0312
Citation: WU Shuogang, DU Chengxin, ZHOU Feng, GAO Guangfa, LYU Wenzheng, CHEN Xi. Damage characteristic of target penetrated by WF/Zr-MG and 93W rods[J]. Explosion And Shock Waves, 2024, 44(4): 043302. doi: 10.11883/bzycj-2023-0312

钨丝/锆基非晶复合材料与93W合金弹芯侵彻靶板的损伤特征

doi: 10.11883/bzycj-2023-0312
基金项目: 国家自然科学基金(12102201)
详细信息
    作者简介:

    吴烁罡(2000-  ),男,硕士研究生,wushuogang@njust.edu.cn

    通讯作者:

    陈 曦(1984-  ),女,博士,副研究员,chenxi@njust.edu.cn

  • 中图分类号: O385

Damage characteristic of target penetrated by WF/Zr-MG and 93W rods

  • 摘要: 为研究钨丝/锆基非晶复合材料(WF/Zr-based bulk metallic glass matrix composite,WF/Zr-MG)及93W合金两种弹芯材料对于45钢靶板的侵彻特征机理与损伤特征,利用上述两种弹芯进行对比开展侵彻试验,在宏观和微观层面对侵彻结果进行分析,其中,宏观定量化表征量采用等效直径进行研究,微观层面利用扫描电镜、光学显微镜、XRD衍射仪与显微维氏硬度仪对靶板的微观形貌、相变及硬度特征进行表征。试验结果表明,WF/Zr-MG弹芯完全贯穿靶板,而93W合金弹芯残留于靶板之中,其等效扩孔直径分别为16.7和18.4 mm,前者较后者低10.18%,WF/Zr-MG弹芯的穿甲能力高于93W合金弹芯。在微观角度,WF/Zr-MG与93W合金弹芯侵彻后弹坑细晶层晶粒长径比分别为4.5和7.3,其维氏硬度HV的峰值分别为249和287,其中高硬度层宽度分别为10.2和8.9 mm。前者对应靶板高硬度层更宽的原因是Zr基非晶合金在侵彻过程中持续释放热量,使其温度影响区较大,因此硬度提升的区域大。侵彻过程中,后者的靶板强度明显高于前者的,其主要原因为WF/Zr-MG弹芯发生屈曲回流,而93W合金弹芯产生蘑菇头现象,使得WF/Zr-MG弹芯对于靶板的挤压变形更小,晶粒拉长效果减弱,硬度峰值提升变小,靶板单位长度的能量损耗小,从而增强WF/Zr-MG复合材料弹芯的穿甲能力。
  • 图  1  试验用弹图

    Figure  1.  Projectiles used in test

    图  2  45钢靶板基体微观组织

    Figure  2.  Matrix microstructure of 45 steel target

    图  3  试验布局

    Figure  3.  Test layout

    图  4  靶板纵向剖面图

    Figure  4.  The macroscopic states of the target plates

    图  5  WF/Zr-MG弹芯侵彻后靶板的微观组织

    Figure  5.  Microscopic crystalline phase of the 45 steel plate penetrated by the WF/Zr-MG rod

    图  6  93W弹芯侵彻后靶板微观组织

    Figure  6.  Microscopic crystalline phase of the 45 steel plate penetrated by the 93W rod

    图  7  靶板不同位置长径比变化曲线

    Figure  7.  Grain size variation curves at different positions of the target plate

    图  8  残留的WF/Zr-MG复合材料弹芯[18]

    Figure  8.  Residue of the WF/Zr-MG rods[18]

    图  9  XRD衍射图谱

    Figure  9.  X-ray diffraction pattern

    图  10  靶板硬度对比

    Figure  10.  Comparison of target hardness distributions

    图  11  靶板不同位置温升曲线

    Figure  11.  Temperature rise curves at different positions of the target plate

    表  1  试验弹芯主要参数及状态

    Table  1.   Main parameters and test states of all projectiles used in the test

    工况 材料 质量/g 侵彻速度/(m∙s−1)
    1 93W 122.6±0.1 1558±50
    2 WF/Zr-MG 121.9±0.1 1543±50
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出版历程
  • 收稿日期:  2023-08-28
  • 修回日期:  2024-01-22
  • 网络出版日期:  2024-01-23
  • 刊出日期:  2024-04-07

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