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Propagation criterion of hydraulic fracture in rock based on the rock micro-cracking mechanism
International Journal of Mining Science and TechnologyHydraulic fracture (HF) formed in rock significantly helps with the development of geo-energy and geo-resources. The HF formation condition was challenging to understand, with obscure rock micro-cracking mechanisms being a key factor.
Qingwang Cai +3 more
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Metals, 2022 In the present work, the evolution of atomic structures and related changes in energy state, atomic displacement and free volume of symmetrical grain boundaries (GB) under the effects of external strain in body-centered cubic (bcc) iron are investigated ...
Wenxue Ma +7 more
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In-situ observation of micro-cracking in a SiC/BN/SiC ceramic matrix composite under tension
Open Ceramics, 2023 Crack spacing and crack opening displacement values are critical for CMC damage and oxidation modeling. A tensile stage used with light and scanning electron microscopy (SEM) was utilized to evaluate micro-cracking under load in SiC/BN/SiC ceramic matrix
Kaitlin Detwiler +2 more
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Cracking directions in multiaxial low cycle fatigue at high and room temperatures [PDF]
Fracture and Structural Integrity, 2017 Cracking direction in multiaxial low cycle fatigue is an important research subject because crack initiation and propagation behavior is a physical background for developing an estimation method of multiaxial low cycle fatigue lives. However, there are a
Masao Sakane, Takamoto Itoh
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Effects of Micro-Shot Peening on the Stress Corrosion Cracking of Austenitic Stainless Steel Welds
Metals, 2022 Micro-shot peening on AISI 304 and 316 stainless steel (SS) laser welds was performed to evaluate its effect on the susceptibility to stress corrosion cracking (SCC) in a salt spray containing 10% NaCl at 80 °C.
Chia-Ying Kang +2 more
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Fractal and Fractional, 2022 Soil drying cracking is the most common natural phenomenon affecting soil stability. Due to the complexity of the geometric shapes of soil cracks during the cracking process, it has become a major problem in engineering science.
Xiaozheng Zhao +3 more
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Metals, 2023 This paper studies the hydrogen-assisted microdamage (HAMD) in fully-pearlitic steel. A detailed analysis is provided of the HAMD region in axisymmetric round-notched samples of high-strength eutectoid pearlitic steel under hydrogen embrittlement ...
Jesús Toribio
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Applied Sciences, 2020 The micro-cracking morphology in laminated shale formation plays a critical role in the enhancement of shale gas production, but the impacts of bedding strength parameters on micro-cracking morphology have not been well understood in laminated shale ...
Fakai Dou, Jianguo Wang, Chunfai Leung
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Genesis and mechanism of microstructural scale deformation and cracking in ZnAlMg coatings
Materials & Design, 2020 In-depth investigation of the microscale deformation behavior of ZnAlMg coatings is essential to reveal the origin and mechanism of cracking in these coatings.
Masoud Ahmadi +3 more
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Reaktor, 2020 Catalytic cracking of vegetable oil for the production of bio-hydrocarbons had been developed. In this study, the catalytic cracking of Refined-Bleach-Deodorized Palm Oil (RBDPO) had carried out over Fluid Catalytic Cracking Unit (FCCU) equilibrium ...
Dieni Mansur +2 more
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