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181
Acoustic emission evaluation and localization correction of concrete damage considering stress levels
Published 2025-07-01“…Compared to the traditional steady-state wave velocity localization methods, considering velocity attenuation in the localization correction method results in higher precision for reflecting crack morphology, increasing localization accuracy by 27.609 %.…”
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182
Dynamic compressive characteristics of a green sandstone under coupled hydraulic-mechanical loading: Experiments and theoretical modeling
Published 2025-01-01“…By deducing the connection between crack length and damage evolution, the resulting law of crack expansion rate is related to the strain rate. …”
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183
Experimental Investigation of the Size Effect of the Mode I Static Fracture Toughness of Limestone
Published 2019-01-01“…The results show that a longer fracture is correlated with a lower fracture toughness value for the same sample size and that a larger specimen radius is correlated with a higher fracture toughness value for the same crack length. …”
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184
MIXED-MODE Ⅰ-Ⅱ FRACTURE BEHAVIOR OF FV520B STEEL
Published 2019-01-01“…As the loading angle increased,total fracture toughness increased,of which the values at loading angles of 22. 5 ° and 45 ° were 1. 8 and 4. 4 times higher than that under pure I mode,respectively,moreover,both mode I and mode II components of the total fracture toughness,and the crack initiation angle increased,which could be well predicted by using mixed-mode J integral fracture criterion. …”
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185
Impacts of nano-clay particles and heat-treating on out-of-phase thermo-mechanical fatigue characteristics in piston aluminum-silicon alloys
Published 2023-07-01“…The damage mechanism was also due to the Si-rich phase and intermetallics, respectively for the crack propagation and the micro-crack initiation…”
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186
Microstructural optimization by two-step tempering treatment and quantitative analysis of microstructure effect on the toughness at −40 °C in CrNiMoV steel
Published 2025-03-01“…Moreover, the more uniform and finer the block, the higher the proportion of high-angle grain boundaries, which increases the frequency of crack deflection, preventing rapid crack propagation and thereby enhancing energy absorption. …”
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187
Effect of Strain Rate on Hot Ductility of a Duplex Stainless Steel
Published 2019-01-01“…The reduction in area exhibited a small decrease when the strain rate was greater than 0.5 s–1. More than 85% of cracks formed between the ferrite and austenite, and no less than 70% of crack tips propagated between the ferrite and austenite. …”
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188
Study on Mechanical Properties and Acoustic Emission Characteristics of Sandstone under Freezing and Thawing
Published 2022-01-01“…The change of acoustic emission event rate of green sandstone is mainly in the elastic deformation stage and stable crack propagation stage, and the change of acoustic emission event rate of yellow sandstone is concentrated in the crack closure stage. …”
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189
EFFECT OF ULTRASONIC SRUFACE IMPАСТ MODIFICATION ON THE FATIGUE PROPERTIES OF 316L STAINLESS STEEL
Published 2024-02-01“…The fatigue data of 316 with higher carbon content has better normalization, and no side-crack is observed. …”
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190
Investigation of Energy Mechanism and Acoustic Emission Characteristics of Mudstone with Different Moisture Contents
Published 2018-01-01“…The dissipated energy of the soaking sample, by contrast, has the first increase speed, and natural sample comes second at the beginning. When entering the crack stable development stage, the dry sample has the fastest growing rate of dissipated energy, meaning that dissipated energy used for crack propagation gradually decreases with the increase of moisture content. …”
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191
Experimental Study on Compressive and Flexural Performances of Polypropylene Fiber-Reinforced Concrete
Published 2022-01-01“…Furthermore, the CFEC and CTI of PPFRC are both higher than those of PC, indicating that it has significant crack resistance and toughness.…”
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192
Experimental Study on Load Bearing Characteristics of Steel Fiber Reinforced Concrete Lining in the Soft Surrounding Rock Tunnel
Published 2020-01-01“…The test results show that the initial crack load and ultimate load of the steel fiber reinforced concrete lining are significantly higher than those of the other two materials, and the crack development path is more tortuous, and the number of cracks is greater. …”
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193
Microstructure and properties of SiC particle reinforced AA7075 composites by friction stir processing
Published 2025-01-01“…The uniform distribution of SiC particles transferred loads efficiently during impact, absorbing a significant amount of energy. This causes crack deflection and delays the fracture process, allowing the material to withstand higher impact loads while maintaining excellent impact toughness, with a maximum impact load and impact energy of 4.83 kN and 6780 mJ, respectively. …”
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194
Cyclic Stress Response and Fracture Behaviors of Alloy 617 Base Metal and Weld Joints under LCF Loading
Published 2015-01-01“…At the all testing conditions, weld joint specimens have shown higher peak stresses than the base metal specimens, whereas the plastic strain accumulation of the base metal specimens is comparatively higher than those of the weld joint specimens. …”
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195
Biomechanical Analysis and Solution Suggestions of Screw Replacement Scenarios in Femoral Neck Fracture Surgeries: Finite Element Method
Published 2025-02-01“…ABSTRACT Objective Despite several surgical options, there has yet to be a consensus on the best treatment for femoral neck fracture (FNF) due to higher complication rates compared to other bone fractures. …”
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196
Fabrication and assessment on morphological, thermal stability and self‐healing efficiency of microcapsule‐based jute/epoxy bio‐composites
Published 2025-01-01“…Results indicated that the epoxy composite healed from a 1 mm deep crack exhibited higher impact strength recovery than samples healed from a 1.5 mm deep crack, with healing efficiencies of 83.9% and 78.89%, respectively. …”
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197
Tensile Fracture Behavior of Corroded Pipelines: Part 2—Numerical Simulation Based on Monte Carlo Method
Published 2020-01-01“…Under the same standard deviation, the wall corresponding to the higher corrosion rate is more likely to cause stress concentration in the weak position, which makes the pipe more prone to fail. …”
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198
Mechanical and microscopic characterization of expansive soils modified by water-soluble polymers
Published 2025-01-01“…Modified soil swelling was reduced by 54.57% and swelling forces were reduced by 15–57%. The modified soil cracks developed slowly and the width of the cracks was reduced by 61.68% after the modification. …”
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199
In Situ Catalytic Pyrolysis of Low-Rank Coal for the Conversion of Heavy Oils into Light Oils
Published 2017-01-01“…Lighter tars are largely useful in chemical industries but their quantity is quite little. …”
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200
Study on Permeability of Soil-Rock Mixture in Water-Blocking Layer of Open-Pit Coal Mine Dump Site
Published 2020-01-01“…When the hydraulic pressure is close to or equal to the confining pressure, penetrating cracks are easily formed between the soil-rock interfaces of the sample with a higher rock block proportion, resulting in a rapid increase in permeability. …”
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