Research of fracturing mechanism of coal subjected to liquid nitrogen cooling

In order to research fracturing mechanism of coal subjected to liquid nitrogen cooling, submersion tests of liquid nitrogen for natural coal samples are carried out. A laser microscope is employed to observe the extension of native crack and propagation of cracks of coal samples after thermal shock....

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Bibliographic Details
Main Authors: Chunhui ZHANG, Weilong LI, Xizhao WANG, Laigui WANG, Hewan LI
Format: Article
Language:zho
Published: Hebei University of Science and Technology 2015-08-01
Series:Journal of Hebei University of Science and Technology
Subjects:
Online Access:http://xuebao.hebust.edu.cn/hbkjdx/ch/reader/create_pdf.aspx?file_no=b201504014&flag=1&journal_