工程爆破

1999, (01) 3-5

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大理岩冲击脆断的CT观察研究
CT OBSERVATION FOR BRITTLE-SHOCK FRACTURE SURFACE OF MARBLE

蔡小虎,高文乐,戴碧勇
Cai Xiaohu(Xiamen Blasting Engineering Co., Fujian 361012)Gao Wenle(Shandong Institute of Mining, Shandong 271019)Dai Biyong(Xiamen Blasing Engineering Co., Fujian 361012)

摘要(Abstract):

对大理岩在冲击载荷下拉伸脆断口进行了扫描电镜观察研究,分析了高应变率加载下大理岩的微观破坏断口形貌特征和微观破坏力学机制.通过断口观测和理论分析,明确地给出了大理岩在应变率为10°101s-1情况下的微观破坏机理,为大理岩拉伸破坏的进一步研究提供了可靠的实验依据.
In this paper SEM observation and test study for brittle stretct fraCture of marbleunder shock lOading have ho carried out to study the microfailure character and its mechanism. Based on the observation and study, the dynamic stretch fracture mechanism of marble isobtained.

关键词(KeyWords): 冲击载荷;大理岩;扫描电镜
Shock loading; Marble; SEM

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作者(Author): 蔡小虎,高文乐,戴碧勇
Cai Xiaohu(Xiamen Blasting Engineering Co., Fujian 361012)Gao Wenle(Shandong Institute of Mining, Shandong 271019)Dai Biyong(Xiamen Blasing Engineering Co., Fujian 361012)

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