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Quantitative characterization of the multiscale mechanical properties of low-permeability sandstone roofs of coal seams based on nanoindentation and triaxial tests and its implicat...
Published 2025-01-01“…The results indicate that quartz, the primary mineral component of the sandstones examined, exhibits the strongest micromechanical properties, followed by feldspar, calcite, and clay minerals. …”
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202
A meso‐damage‐based constitutive model for yellow sandstone under dry–wet cycles
Published 2024-12-01“…However, meso‐damage has not been carefully studied based on micromechanical observations and analyses. Therefore, in this study, meso‐damage of a yellow sandstone is investigated and a meso‐damage‐based constitutive model for dry–wet cycles is proposed. …”
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203
Intellectual Property Rights Protection, Intermediate Product Import, and Export Product Quality
Published 2024-01-01“…Based on Chinese industrial enterprises data and Chinese customs data from 2000 to 2013, the paper examines the micromechanism of intellectual property rights protection affecting the quality upgrade of firms’ export products. …”
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204
Thermo-mechanical behavior of shape memory alloy made stent- graft by multi-plane model
Published 2014-02-01“…Constitutive law for shape-memory alloys subjected to multi-axial loading, which is based on a semi-micromechanical integrated multi-plane model capable of internal mechanism observations, is generally not available in the literature. …”
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205
Dynamic compressive characteristics of a green sandstone under coupled hydraulic-mechanical loading: Experiments and theoretical modeling
Published 2025-01-01“…Moreover, the classical Ashby-Sammis micromechanical model was augmented to account for dynamic loading and pore pressure considerations. …”
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206
Studies on Hydration Swelling and Bound Water Type of Sodium- and Polymer-Modified Calcium Bentonite
Published 2020-01-01“…However, few studies have focused on the micromechanism of hydration and swelling under the effect of inorganic chemical solution. …”
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207
The study and determination of causes of fracture of the shaft of the roll working the wire cassette unit
Published 2019-01-01“…On the basis of the fracture analysis, the main classification features are established: orientation, microgeometry, degree of plastic deformation at fracture and fracture energy, micromechanism of fracture. The fracture surface has a fine-grained fracture (formed under conditions of small plastic deformation) and is characterized by the presence of shiny flat areas on the fracture surfaceThe study of the microstructure after etching in a reagent «Nital» and reagent Oberhoffer. …”
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208
Fatigue crack behavior on a Cu-Zn-Al SMA
Published 2014-09-01“…Furthermore a fatigue crack propagation and fracture surface scanning electron microscope (SEM) observations have been performed in order to evaluate the crack path and the main crack micromechanisms.…”
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209
Fatigue crack behavior on a Cu-Zn-Al SMA
Published 2014-10-01“…Furthermore a fatigue crack propagation and fracture surface scanning electron microscope (SEM) observations have been performed in order to evaluate the crack path and the main crack micromechanisms.…”
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210
Experimental Study on Nanomechanical Properties of Yunnan Red-Bed Mudstone
Published 2022-01-01“…Therefore, it is of great theoretical significance and practical engineering value to study the macro- and micromechanical properties of red-bed mudstone. Nanoindentation mechanical tests are carried out on the red-bed mudstone from Chuxiong, Jingdong, and Nanhua in Yunnan. …”
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211
Application of clay minerals in the synthesis of cretaceous mudstones and microstructural analysis of their deterioration mechanism
Published 2024-11-01“…., are significantly altered with the increase of kaolinite content, resulting in a marked deterioration of the material’s micromechanical properties. This mineralogical and microstructural change transforms the cementation type from homogeneous and dense crystalline cementation to anisotropic and loose argillaceous cementation, exhibiting strong water sensitivity and extremely weak macro mechanical properties, which explains the deterioration and disintegration mechanism of natural mudstones from a micro mineralogical point of view. …”
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212
Experimental study on I/II/III mixed mode fracture characteristics of a combined rock mass under creep loading
Published 2024-05-01“…The findings of this paper can facilitate an effective understanding of the creep effect of I/II/III mixed mode fracture and its micromechanism. The research results will have a certain reference value for the detection and risk mitigation of instantaneous and time-delayed rockbursts.…”
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213
A holistic review of nanomaterials in strain-hardening cementitious composites: Insights into micro- and macromechanical, deformation, smart, and durability properties
Published 2025-03-01“…This review aims to explore the roles and effectiveness of various NMs in enhancing the critical properties of SHCC, including micromechanical, macromechanical, smart, and durability characteristics. …”
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214
STRUCTURAL MODIFICATION OF NEW FORMATIONS IN CEMENT MATRIX USING CARBON NANOTUBE DISPERSIONS AND NANOSILICA
Published 2017-03-01“…It is necessary to solve rather complicated challenging task in order to assess quantitatively the addition effect of CNT on material characteristics at a micromechanical level. At the same time it is possible to investigate surface of a concrete sample with one-micron resolution. …”
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215
Comparison of Surface Roughness of Class V Cavity Preparation using Diamond Abrasive Point and Ultrasonic Tip and Measurement of Shear Bond Strength after Restoration with Composit...
Published 2024-11-01“…Tooth preparation traditionally uses diamond abrasive points and tungsten carbide burs for micromechanical adhesion. Newer methods, like ultrasonic tips, offer a more conservative approach, but limited research has compared their effects on bond strength, particularly in cervical cavity restorations with nanohybrid composites. …”
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