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Characteristics of acoustic emission signals in damp cracking coal rocks

โœ Scribed by Shoufeng TANG; Minming TONG; Junli HU; Xinmin HE


Publisher
Elsevier
Year
2010
Tongue
English
Weight
225 KB
Volume
20
Category
Article
ISSN
1674-5264

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Characteristics of an acoustic emission
โœ Kwang Yul Kim; Wolfgang Sachse ๐Ÿ“‚ Article ๐Ÿ“… 1986 ๐Ÿ› Springer Netherlands ๐ŸŒ English โš– 918 KB

Thermal cracks of mode I type oriented normal to the surface along an initial scratch were generated by blowing cold nitrogen gas through a small nozzle onto the surface of a glass plate. Acoustic emission (AE) signals emitted from the thermal cracks were detected on the opposite side of the plate,