A new method for determining the crack classification criterion in acoustic emission parameter analysis

At a microscopic scale, the failure of brittle materials results from crack initiation, propagation and coalescence. Acoustic emission (AE) technique, especially parameter analysis, has been widely applied to investigate cracking process and mechanism in civil engineering. However, crack classificat...

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Veröffentlicht in:	International journal of rock mechanics and mining sciences (Oxford, England : 1997) England : 1997), 2020-06, Vol.130, p.104323, Article 104323
Hauptverfasser:	Zhang, Zheng-Hu, Deng, Jian-Hui
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic emission Acoustic emission (AE) Acoustic microscopy Acoustic propagation Brittle materials Brittleness Civil engineering Classification Coalescence Coalescing Compression Compression tests Crack classification criterion Crack initiation Crack propagation Cracking (fracturing) Criteria Dominant frequency Emission analysis Empirical analysis Failure analysis Frequencies Laboratory tests Parameter analysis Parameters Reliability analysis Rocks Shear Statistical analysis Statistics Waveforms
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