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题名:
3-D characterization of incipient spallation response in cylindrical copper under sweeping detonation
作者: Yang, Y; Chen, JX; Guo, ZL; Tang, TG; Hu, HB; Fu, YN
刊名: JOURNAL OF MATERIALS RESEARCH
出版日期: 2017
卷号: 32, 期号:8, 页码:1499-1505
DOI: 10.1557/jmr.2017.25
文章类型: 期刊论文
英文摘要: The effect of peak shock stress on the incipient spallation damage in a cylindrical sample under sweeping detonation is presented. The free surface velocity curve was measured by photon Doppler velocimetry and the quantitative investigation of voids in a spalled sample was performed using X-ray computer tomography. The results revealed that the maximum volume and the mean volume of voids in the spalled sample increased with increasing shock stress. The sphericity of voids decreases with the increasing of shock stress. The rod voids were the result of the independent growth of voids along the grain boundaries in samples with lower shock stress, while the rod shaped voids in sample with higher shock stress were formed due to coalesce. The rod voids can be found in a cylindrical sample, while the voids in plate samples were in the shape of spheres or ellipsoids, and the difference of stress state induced by the curvature in the geometry of samples may be the main reason.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000400595700009
ISSN号: 0884-2914
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/27238
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Yang, Y,Chen, JX,Guo, ZL,et al. 3-D characterization of incipient spallation response in cylindrical copper under sweeping detonation[J]. JOURNAL OF MATERIALS RESEARCH,2017-01-01,32(8):1499-1505.
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文件名: 3-D characterization of incipient spallation response in cylindrical copper under sweeping detonation.pdf
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