无氧铜环颈缩区孔洞长大与局域化温升效应研究

桂毓林 孙承纬 张光升 李强

桂毓林, 孙承纬, 张光升, 李强. 无氧铜环颈缩区孔洞长大与局域化温升效应研究[J]. 高压物理学报, 2011, 25(2): 183-187 . doi: 10.11858/gywlxb.2011.02.016
引用本文: 桂毓林, 孙承纬, 张光升, 李强. 无氧铜环颈缩区孔洞长大与局域化温升效应研究[J]. 高压物理学报, 2011, 25(2): 183-187 . doi: 10.11858/gywlxb.2011.02.016
GUI Yu-Lin, SUN Cheng-Wei, ZHANG Guang-Sheng, LI Qiang. Void Growth and Local Temperature Rise in Necking Region of OFHC Ring[J]. Chinese Journal of High Pressure Physics, 2011, 25(2): 183-187 . doi: 10.11858/gywlxb.2011.02.016
Citation: GUI Yu-Lin, SUN Cheng-Wei, ZHANG Guang-Sheng, LI Qiang. Void Growth and Local Temperature Rise in Necking Region of OFHC Ring[J]. Chinese Journal of High Pressure Physics, 2011, 25(2): 183-187 . doi: 10.11858/gywlxb.2011.02.016

无氧铜环颈缩区孔洞长大与局域化温升效应研究

doi: 10.11858/gywlxb.2011.02.016
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    通讯作者:

    桂毓林

Void Growth and Local Temperature Rise in Necking Region of OFHC Ring

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    Corresponding author: GUI Yu-Lin
  • 摘要: 利用金相显微镜,对电磁加载下无氧铜(M态TU1)环碎片的颈缩部位进行了金相分析,观察到了颈缩区孔洞长大、汇通及孔洞壁熔化现象。利用球形孔洞模型,分析了颈缩区孔洞长大条件,发现周向偏应力更适合于描述膨胀环颈缩区的孔洞长大。据此,讨论了颈缩区的局域化温升效应。研究结果为延性金属环膨胀颈缩失稳的细观机理研究提供参考。

     

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出版历程
  • 收稿日期:  2009-09-30
  • 修回日期:  2009-10-26
  • 发布日期:  2011-04-15

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