爆炸胀接铝/钢复合管的研究

余勇 马宏昊 沈兆武 缪广红 李战军

余勇, 马宏昊, 沈兆武, 缪广红, 李战军. 爆炸胀接铝/钢复合管的研究[J]. 高压物理学报, 2016, 30(2): 130-134. doi: 10.11858/gywlxb.2016.02.007
引用本文: 余勇, 马宏昊, 沈兆武, 缪广红, 李战军. 爆炸胀接铝/钢复合管的研究[J]. 高压物理学报, 2016, 30(2): 130-134. doi: 10.11858/gywlxb.2016.02.007
YU Yong, MA Hong-Hao, SHEN Zhao-Wu, MIAO Guang-Hong, LI Zhan-Jun. Aluminum/Steel Composite Pipe by Explosion Expansion[J]. Chinese Journal of High Pressure Physics, 2016, 30(2): 130-134. doi: 10.11858/gywlxb.2016.02.007
Citation: YU Yong, MA Hong-Hao, SHEN Zhao-Wu, MIAO Guang-Hong, LI Zhan-Jun. Aluminum/Steel Composite Pipe by Explosion Expansion[J]. Chinese Journal of High Pressure Physics, 2016, 30(2): 130-134. doi: 10.11858/gywlxb.2016.02.007

爆炸胀接铝/钢复合管的研究

doi: 10.11858/gywlxb.2016.02.007
基金项目: 

国家自然科学基金 51374189

国家自然科学基金 51174183

详细信息
    作者简介:

    余勇(1989—), 男,博士研究生,主要从事爆炸复合、工业安全、及爆炸力学相关领域研究.E-mail:yuyong@mail.ustc.edu.cn

    通讯作者:

    马宏昊(1980—), 男,博士,副教授,主要从事爆破器材、工业安全、及爆炸力学相关领域研究.E-mail:hhma@ustc.edu.cn

  • 中图分类号: TG113.263;O341

Aluminum/Steel Composite Pipe by Explosion Expansion

  • 摘要: 为了得到一种兼具优良力学性能和优异防腐特性的复合管,结合一种高爆速爆炸纤维,利用水作为传压介质,爆炸胀接得到铝/钢复合管。经超声波探伤检测其贴合率达到100%,径向形变率仅为0.65%,弯曲度为0.12%。利用809MTS万能实验机对长径比为1:1的复合管试样进行了压剪试验,得到了位移-力曲线,计算得到结合强度为3.27 MPa,高于建筑和石化行业规定的0.2和0.5 MPa最小值。金相实验显示,铝/钢结合界面良好,未出现界面局部过熔现象,发生了铝层与钢层的相互扩散现象。

     

  • 图  铝钢同轴管爆炸胀接装置图

    Figure  1.  Setup of Al/Steel explosive expanded composite pipe device

    图  爆炸胀接原理示意图

    Figure  2.  Schematic diagram of explosive expansion

    图  复合管截面图

    Figure  3.  Cross section of composite pipe

    图  复合管剖面图

    Figure  4.  Vertical section of composite pipe

    图  压剪测试装置示意图

    Figure  5.  Setup of compression-shear experiment

    图  位移-力曲线

    Figure  6.  Displacement-force curve

    图  复合管界面的微观形貌

    Figure  7.  Micro-morphology of composite pipe's interface

    表  1  材料的规格

    Table  1.   Specifications of materials

    MaterialLength/(mm)Diameter/(mm)Thickness/(mm)Straight/(mm)
    Q235 Steel600383≤1
    1060 Aluminum650301≤1
    下载: 导出CSV

    表  2  材料的主要力学性能

    Table  2.   Main mechanical properties of materials

    MaterialDensity/
    (kg/m3)
    Yield strength/
    (MPa)
    Strength limit/
    (MPa)
    Elongation/
    (%)
    Possion
    ratio
    Elasticity modulus/
    (GPa)
    Q235 Steel7 850225420250.26206.0
    1060 Aluminum2 71075124250.3368.9
    下载: 导出CSV

    表  3  爆炸纤维的规格和成分

    Table  3.   Specifications and component of the metal detonating cord

    Surface MaterialsDiameter/(mm)Linear density/(g/m)RDX/(%)Paraffin/(%)
    1070 Aluminum348515
    下载: 导出CSV
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出版历程
  • 收稿日期:  2014-12-11
  • 修回日期:  2015-03-03

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