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Journal Articles

A Continuum Dislocation Dynamics Crystal Plasticity Approach to Irradiated Body-Centered Cubic α-Iron

Stephanie A. Pitts, Wen Jiang, Davide Pizzocri, Erin I. Barker, Hussein M. Zbib

J. Eng. Mater. Technol. January 2022, 144(1): 011018.

Paper No: MATS-21-1029

DOI: https://doi.org/10.1115/1.4052256

Published Online: September 15, 2021

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Topics: Crystals, Dislocations, Iron, Plasticity, Simulation, Dislocation density, Dynamics (Mechanics)

Journal Articles

Dislocation Mechanics of Extremely High Rate Deformations in Iron and Tantalum

M. A. Shehadeh, P. El Ters, R. W. Armstrong, W. Arnold

J. Eng. Mater. Technol. January 2022, 144(1): 011015.

Paper No: MATS-20-1282

DOI: https://doi.org/10.1115/1.4052104

Published Online: September 3, 2021

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Topics: Crystals, Deformation, Dislocations, Iron, Shock (Mechanics), Stress, Tantalum, Dislocation density

Journal Articles

Situating the Vector Density Approach Among Contemporary Continuum Theories of Dislocation Dynamics

Joseph Pierre Anderson, Vignesh Vivekanandan, Peng Lin, Kyle Starkey, Yash Pachaury, Anter El-Azab

J. Eng. Mater. Technol. January 2022, 144(1): 011014.

Paper No: MATS-21-1086

DOI: https://doi.org/10.1115/1.4052066

Published Online: August 30, 2021

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Topics: Density, Dislocations, Dynamics (Mechanics), Crystals, Dislocation density

Journal Articles

Multiscale Modeling of the Strength and Ductility Paradox for High-Pressure Torsion Samples With Gradient Microstructure

Mehdi Hamid, Maryam Jamalian, Natalia De Vincentis, Quentin Buck, David P. Field

J. Eng. Mater. Technol. January 2022, 144(1): 011013.

Paper No: MATS-21-1065

DOI: https://doi.org/10.1115/1.4051901

Published Online: August 11, 2021

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Topics: Dislocation density, Dislocations, Ductility, Grain boundaries, Grain size, High pressure (Physics), Mechanical behavior, Modeling, Strain gradient, Stress

Journal Articles

Thermomechanical Microstructural Predictions of Fracture Nucleation of Zircaloy-4 Alloys With δ and ɛ Hydride Distributions

I. Mohamed, T. Hasan, M. A. Zikry

J. Eng. Mater. Technol. January 2022, 144(1): 011008.

Paper No: MATS-21-1074

DOI: https://doi.org/10.1115/1.4051687

Published Online: July 19, 2021

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Topics: Fracture (Materials), Fracture (Process), Nucleation (Physics), Thermomechanics, Dislocation density, Temperature

Journal Articles

Mechanical Enhancement of Graded Nanoporous Structure

Lijie He, Niaz Abdolrahim

J. Eng. Mater. Technol. January 2022, 144(1): 011007.

Paper No: MATS-21-1030

DOI: https://doi.org/10.1115/1.4051470

Published Online: June 23, 2021

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Topics: Deformation, Density, Dislocation density, Dislocations, Molecular dynamics simulation, Plasticity, Stress, Fracture (Materials), Elasticity, Necking

Journal Articles

A Modified Constitutive Model With Grain Rotation for Superplastic Forming of Ti–6Al–4V Alloy

Junzhou Yang, Jianjun Wu, Dongshen Yang, Qishuai Wang, Kaiwei Wang, Zengkun Zhang, Mingzhi Wang, Muhammad Muzamil

J. Eng. Mater. Technol. April 2020, 142(2): 021006.

Paper No: MATS-19-1212

DOI: https://doi.org/10.1115/1.4045364

Published Online: December 5, 2019

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Topics: Constitutive equations, Deformation, Dislocation density, Errors, Flow (Dynamics), Grain size, Stress, Superplastic forming, Yield stress, Alloys

Journal Articles

Atomistically Informed and Dislocation-Based Viscoplasticity Model for Multilayer Composite Thin Films

Mohsen Damadam, Mohammed Anazi, Georges Ayoub, Hussein Zbib

J. Eng. Mater. Technol. April 2019, 141(2): 021010.

Paper No: MATS-18-1176

DOI: https://doi.org/10.1115/1.4042034

Published Online: January 31, 2019

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Topics: Ceramics, Composite materials, Deformation, Dislocation density, Dislocations, Finite element analysis, Simulation, Steel, Tension, Thin films

Journal Articles

A Predictive Framework for Dislocation-Density Pile-Ups in Crystalline Systems With Coincident Site Lattice and Random Grain Boundaries

David M. Bond, Mohammed A. Zikry

J. Eng. Mater. Technol. April 2017, 139(2): 021023.

Paper No: MATS-16-1184

DOI: https://doi.org/10.1115/1.4035494

Published Online: February 13, 2017

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Topics: Dislocation density, Dislocations, Grain boundaries, Stress

Journal Articles

Dynamic Fracture of Aluminum-Bonded Composites

Prasenjit Khanikar, Qifeng Wu, M. A. Zikry

J. Eng. Mater. Technol. July 2016, 138(3): 031009.

Paper No: MATS-15-1247

DOI: https://doi.org/10.1115/1.4033036

Published Online: May 10, 2016

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Topics: Composite materials, Fracture (Materials), Nucleation (Physics), Particulate matter, Dislocation density, Aluminum, Stress

Journal Articles

Modeling of Microstructure Effects on the Mechanical Behavior of Ultrafine-Grained Nickels Processed by Severe Plastic Deformation by Crystal Plasticity Finite Element Model

Thê-Duong Nguyen, Van-Tung Phan, Quang-Hien Bui

J. Eng. Mater. Technol. April 2015, 137(2): 021010.

Paper No: MATS-14-1085

DOI: https://doi.org/10.1115/1.4029570

Published Online: April 1, 2015

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Topics: Constitutive equations, Crystals, Deformation, Dislocations, Finite element model, Grain size, Mechanical behavior, Nickel, Plasticity, Stress

Journal Articles

Constitutive Relations for Modeling Single Crystal GaN at Elevated Temperatures

Antoinette Maniatty, Payman Karvani

J. Eng. Mater. Technol. January 2015, 137(1): 011002.

Paper No: MATS-14-1094

DOI: https://doi.org/10.1115/1.4028441

Published Online: September 24, 2014

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Topics: Constitutive equations, Crystals, Dislocations, Gallium nitride, Modeling, Stress, Temperature, Shear stress, Dislocation density, Plasticity

Journal Articles

Study of Machining-Induced Microstructure Variations of Nanostructured/Ultrafine-Grained Copper Using XRD

Yong Huang, Mason Morehead

J. Eng. Mater. Technol. April 2011, 133(2): 021007.

DOI: https://doi.org/10.1115/1.4003105

Published Online: March 4, 2011

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Topics: Copper, Dislocation density, Grain size, Machining, Dislocations

Journal Articles

Modeling of Lath Martensitic Microstructures and Failure Evolution in Steel Alloys

T. M. Hatem, M. A. Zikry

J. Eng. Mater. Technol. October 2009, 131(4): 041207.

DOI: https://doi.org/10.1115/1.3183780

Published Online: September 1, 2009

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Topics: Dislocations, Fracture (Materials), Martensitic steel, Dislocation density, Failure, Shear (Mechanics)

Journal Articles

Analysis of Large Strain Hot Torsion Textures Associated With “Continuous” Dynamic Recrystallization

S. M. Lim, C. Desrayaud, F. Montheillet

J. Eng. Mater. Technol. January 2009, 131(1): 011103.

DOI: https://doi.org/10.1115/1.3030939

Published Online: December 18, 2008

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Topics: Fibers, Recrystallization, Shear (Mechanics), Texture (Materials), Torsion, Rotation, Metals, Grain boundaries, Dislocation density, Work hardening

Journal Articles

Inelastic Contact Behavior of Crystalline Asperities in rf MEMS Devices

O. Rezvanian, M. A. Zikry

J. Eng. Mater. Technol. January 2009, 131(1): 011002.

DOI: https://doi.org/10.1115/1.3026545

Published Online: December 15, 2008

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Topics: Crystals, Cycles, Deformation, Density, Dislocations, Finite element analysis, Microelectromechanical systems, Plasticity, Stress, Surface roughness

Journal Articles

Dislocation Density Tensor Characterization of Deformation Using 3D X-Ray Microscopy

B. C. Larson, J. Z. Tischler, Anter El-Azab, Wenjun Liu

J. Eng. Mater. Technol. April 2008, 130(2): 021024.

DOI: https://doi.org/10.1115/1.2884336

Published Online: April 2, 2008

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Topics: Deformation, Dislocation density, Dislocations, Microscopy, Resolution (Optics), Tensors, X-rays, Density, Plates (structures)

Journal Articles

Prediction of Grain-Boundary Interfacial Mechanisms in Polycrystalline Materials

W. M. Ashmawi, M. A. Zikry

J. Eng. Mater. Technol. January 2002, 124(1): 88–96.

DOI: https://doi.org/10.1115/1.1421611

Published Online: July 16, 2001

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Topics: Dislocation density, Dislocations, Grain boundaries

Journal Articles

Investigation of the Microstructural Evolution During Large Strain Cold Working of Metals by Means of Synchrotron Radiation—A Comparative Overview

M. Zehetbauer, E. Schafler, T. Unga´r, I. Kopacz, S. Bernstorff

J. Eng. Mater. Technol. January 2002, 124(1): 41–47.

DOI: https://doi.org/10.1115/1.1421049

Published Online: July 3, 2001

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Topics: Deformation, Dislocation density, Dislocations, Metals, Stress, Structural mechanics, Synchrotron radiation, X-ray diffraction, Work hardening, Copper

Journal Articles

Strain Hardening at Large Strains as Predicted by Dislocation Based Polycrystal Plasticity Model

La´szlo´ S. To´th, Alain Molinari, Yuri Estrin

J. Eng. Mater. Technol. January 2002, 124(1): 71–77.

DOI: https://doi.org/10.1115/1.1421350

Published Online: June 26, 2001

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Topics: Dislocation density, Dislocations, Work hardening, Plasticity, Hardening, Composite materials, Stress

Journal citation

NARROW

A Continuum Dislocation Dynamics Crystal Plasticity Approach to Irradiated Body-Centered Cubic α-Iron

Dislocation Mechanics of Extremely High Rate Deformations in Iron and Tantalum

Situating the Vector Density Approach Among Contemporary Continuum Theories of Dislocation Dynamics

Multiscale Modeling of the Strength and Ductility Paradox for High-Pressure Torsion Samples With Gradient Microstructure

Thermomechanical Microstructural Predictions of Fracture Nucleation of Zircaloy-4 Alloys With δ and ɛ Hydride Distributions

Mechanical Enhancement of Graded Nanoporous Structure

A Modified Constitutive Model With Grain Rotation for Superplastic Forming of Ti–6Al–4V Alloy

Atomistically Informed and Dislocation-Based Viscoplasticity Model for Multilayer Composite Thin Films

A Predictive Framework for Dislocation-Density Pile-Ups in Crystalline Systems With Coincident Site Lattice and Random Grain Boundaries

Dynamic Fracture of Aluminum-Bonded Composites

Modeling of Microstructure Effects on the Mechanical Behavior of Ultrafine-Grained Nickels Processed by Severe Plastic Deformation by Crystal Plasticity Finite Element Model

Constitutive Relations for Modeling Single Crystal GaN at Elevated Temperatures

Study of Machining-Induced Microstructure Variations of Nanostructured/Ultrafine-Grained Copper Using XRD

Modeling of Lath Martensitic Microstructures and Failure Evolution in Steel Alloys

Analysis of Large Strain Hot Torsion Textures Associated With “Continuous” Dynamic Recrystallization

Inelastic Contact Behavior of Crystalline Asperities in rf MEMS Devices

Dislocation Density Tensor Characterization of Deformation Using 3D X-Ray Microscopy

Prediction of Grain-Boundary Interfacial Mechanisms in Polycrystalline Materials

Investigation of the Microstructural Evolution During Large Strain Cold Working of Metals by Means of Synchrotron Radiation—A Comparative Overview

Strain Hardening at Large Strains as Predicted by Dislocation Based Polycrystal Plasticity Model

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