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Dislocation climbing in a three-layer structure
The introduction by climbing of an edge dislocation from the free-surface of a three-layer structure has been first investigated from an energy-based...
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Misfit Stress Relaxation at Boundaries of Finite-Length Tubular Inclusions Through the Generation of Prismatic Dislocation Loops
This work is devoted to the memory of our friend and colleague Igor Sevostianov, who did a great contribution to micromechanics of inhomogeneous...
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Dislocation gliding in a freestanding film submitted to uniaxial stress
The equilibrium positions of an edge dislocation embedded in a freestanding thin film submitted to uniaxial stress have been characterized from a...
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Interaction of Misfit Dislocations with Perturbated Surface in Epitaxial Thin Film
The analytical method for the analysis of the stress fields arising as a result of the interaction of misfit dislocations with an undulated surface...
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Electro-Elastic Analysis of Edge Dislocation Dipole in GaN Using XFEM
This work presents the numerical analysis of edge dislocation dipole for the evaluation of the electro-elastic fields in gallium nitride (GaN)...
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Nanowire size-effect on the equilibrium positions of a dislocation dipole
The stability of a dipole of edge dislocations embedded in a cylindrical nanowire of infinite length has been theoretically investigated from a...
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High-Number-Density Coherent Nanoprecipitates Induce Superelasticity in a Fe-Ni-Co-Al-Based Alloy
In this paper, the evolution of microstructure and mechanical properties in the Fe-28Ni-20Co-11.5Al-2.5Ta-0.05B (at.%) alloy were systematically...
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Modeling the Relative Contribution of Matrix Dislocations and M23C6 Coarsening to Acoustic Nonlinearity in 9Cr-1Mo Stainless Steel
9Cr-1Mo tempered martensite stainless steels are highly desirable for their corrosion resistance and creep strength. Standard austenitizing followed...
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Evaluation of Thermal Stability of ODS FeCrAl Alloy at Short-Term High Temperature
In this paper, the effect of high-temperature annealing in the range of 800–1200°C on microstructural evolution of 12Cr-5Al-2W-0.6Zr-0.3Y 2 O 3 ODS...
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A semi-infinite edge dislocation model for the proportionality limit stress of metals under high strain rate
Micromechanics of strain rate dependent elastic response, within the proportionality limit in metals is investigated, on the basis of dislocation...
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Micromechanical investigation of thermal stresses of a finite plane containing multiple elliptical inclusions based on the equivalent inclusion method and distributed dislocation method
This paper presents a micromechanical method to analyze the thermal stresses in a finite plane containing multiple elliptical inclusions. Firstly,...
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Orientation-Dependent Morphology and Evolution of Interfacial Dislocation Networks in Ni-Based Single-Crystal Superalloys: A Molecular Dynamics Simulation
In this paper, the morphology and evolution of interfacial dislocation networks of (100), (110) and (111) interphases of Ni-based single-crystal...
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Effect of solid solution addition on the dislocation emission in aluminum alloys
Solid solution strengthening plays a key role in the strength increasing of alloying metals, due to that a solid solution of alloying element causes...
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Boundary-Value Problems for Defects in Nanoscale and Nanocomposite Solids
A brief review of solutions of boundary-value problems in the theory of elasticity for defects in nanoscale and nanocomposite solids, which were...
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Vortex domain structures induced by strain gradient reduce ferroelectric brittleness
The shear failure of ferroelectric material is hard to investigate because of the electromechanical properties of the material and its high speed at...
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Influence of Cold Rolling and Direct Aging on Coarsening Kinetics of γ′ Precipitates and Hardness in UDIMET 720Li
The present paper examines the influence of cold rolling strain and direct aging on coarsening kinetics of γ′ precipitates and hardness in UDIMET...
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Coupled Inversion of Pressure and Tiltmeter Data for Map** Hydraulic Fracture Geometry
Pressure and tilt data are jointly inverted to simultaneously map the orientation and dimensions of a hydraulic fracture. The deformation induced by...
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Strengthening Mechanisms in Metals/Alloys
Mechanical engineers and material technologists often face challenges to design and develop materials with greater strength for highly-stressed...
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Hetero-Boundary-Affected Regions in Heterostructured Materials
Hetero-boundary-affected regions (HBARs) are widely observed in metallic materials and believed to play important roles in heterostructured materials...
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Defects and Impurities in Silicon Materials
This chapter reviews the defects and impurities in Si materials. Most of the defects in Si crystal originate from point defects, which can be divided...