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Coupled crystal plasticity and damage model for micro crack propagation in polycrystalline microstructures
Micro-crack propagation in polycrystalline materials can strongly depend on the defect size and its ratio to specimen size, and local variation in...
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Application of Velocity-Free Methods in Micro-Crack Mechanism and Instability Precursors
In this chapter, moment tensor and velocity-free localization methods are used to analyze the micro-crack mechanism and predict rock instability. A...
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Study on the relationship between macroscopic failure and micro-crack evolution in interbedded sandstone
AbstractTo study the relationship of macroscopic physical characteristics and microscopic cracks of interbedded sandstone. 2D particle flow code (PFC
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Modeling and Experimental Analysis of Roughness Effect on Ultrasonic Nondestructive Evaluation of Micro-crack
A high-precision evaluation of ultrasonic detection sensitivity for a micro-crack can be restricted by a corroded rough surface when the surface...
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Macro–micro residual stress prediction and hot crack formation mechanism during laser melt injection processing of ZrO2 particles into Ti6Al4V substrate
Laser melt injection (LMI) is a promising technology to produce ceramic particles reinforced metal matrix composites (MMCs) to achieve surface...
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Reduction of Micro-Crack in Ni-Based Superalloy IN-713LC Produced by Laser Powder Bed Fusion
Inconel 713LC is a Ni-based superalloy, which is known as a non-weldable alloy, subjected to severe solidification cracking during the LPBF process....
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Detection of a Micro-crack on a Rotating Steel Shaft Using Noncontact Ultrasonic Modulation Measurement
Detection of a micro-crack on a rotating structure is limited because conventional non-destructive testing (NDT) is developed based on contact-type...
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The effect of carbon dioxide treatment on micro-crack propagation of bituminous coals
With the development of carbon dioxide sequestration, the influence of carbon dioxide on coal properties has been paid more and more attention by...
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Influence of cyclic-loading induced fatigue micro-crack growth on generation of nonlinear ultrasonic Lamb waves
Fatigue damage and micro-cracks growth have been proved to be closely related to the nonlinear effect of ultrasonic Lamb waves propagation in...
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Influence of Dislocation Pile-Up on Main Crack Propagation in Nanocrystals in the Hydrogen Environment
The influence of material micro-defects on the main crack growth under pure shear loading is studied theoretically. The mechanism behind the...
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Constant Seepage Pressure Effect on Creep Fracture
High seepage pressure promotes the growth of microcracks in brittle rock, which is of great significance to the micro–macro mechanism of rock. Based...
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Acid-assisted subcritical blunt-tip crack propagation in carbonate rocks
Subcritical crack propagation in stressed carbonate rocks in a chemically reactive environment is a fundamental mechanism underlying many...
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Boundary element method: cells with embedded discontinuity modeling the fracture process zone in 3D failure analysis
Damage and failure in quasi-brittle materials such as rocks, concrete, and ceramics, have a complex non-linear behavior due to their heterogeneous...
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Shear-induced rockburst of double-tunnel rocks subjected to shear loading: A comparative analysis
Understanding triggering mechanism of shear-induced rockburst is of great significance for design, construction and operation in underground...
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Experimental studies on micro alloyed steel used in oil and gas industries
This research involved cold cracking in microalloyed steels, scrutinizing its corrosive impact on physical and mechanical attributes. A comprehensive...
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Fault Assessment and Early Performance Prediction of PV Module Using Machine Learning
An increase in demand for electrical energy in recent years have been observed due to the technological advancements. Satisfying the demand with...
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Mechanical Behaviors and Fracture Characteristics of Sandstone Combinations with Different Pre-crack Angles
Layered rock masses contain many pre-existing defects, and investigating their failure mechanism is crucial for controlling layered rock mass...
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Organization of the Structure of Composite Construction Materials and the Impact on the Characteristics of Concrete
The organization of the structure of composite construction materials at the micro- and macrolevels and the impact of the structure on the physical...
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Evolution mechanism and quantitative characterization of initial micro-cracks in marble under triaxial compression
The initial micro-cracks affect the evolution characteristics of macroscopic deformation and failure of rock but are often ignored in theoretical...
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The Enhancement of Die Sink EDM Machining Efficiency Incorporating Micro-Flakes of Graphite Powder
The present article investigates the performance of powder-mixed die sink electrical discharge machining (PMEDM) under the influence of micro-flakes...
