Duoxing Yang
Liquid nitrogenGeothermal gradientDigital image correlationDeformation (engineering)Composite materialAcoustic emissionMaterials scienceFracture (geology)Stress (mechanics)Fracture toughness
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#1Zhenlong Ge (Xi'an University of Science and Technology)H-Index: 1
#2Qiang Sun (Xi'an University of Science and Technology)H-Index: 5
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Abstract null null Liquid nitrogen (LN2) ultra-low temperature fracturing technology has broad application prospects in the storage and transformation of geothermal wells. Therefore, it is of great significance to investigate the fracture toughness of granite samples after elevated temperature treatment and LN2 cooling. In this paper, the Cracked Straight Through Brazilian Disc (CSTBD) granite specimen was heat-treated at different temperatures to study the mode-I fracture toughness of granite a...
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