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George Z. Voyiadjis
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Proceedings Papers

Fatigue Damage in Metal Matrix Composites

George Z. Voyiadjis, Rainer Echle
Proc. ASME. IMECE96, Aerospace and Materials, 325-345, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0488
https://doi.org/10.1115/IMECE1996-0488
View Paper titled, Fatigue Damage in Metal Matrix Composites
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Topics: Fatigue damage, Metal matrix composites, Damage, Design, Fatigue, Aircraft, Composite materials, Fibers, Flight, High cycle fatigue
Journal Articles

Strain Rate and Temperature Effects in Nanoindentation Testing on Hardness in Selective Laser Melting IN718

Reem Abo Znemah, George Z. Voyiadjis, Paul Wood, Edris Akbari
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2022, 144(1): 011010.
Paper No: MATS-21-1079
https://doi.org/10.1115/1.4051691
Published Online: July 30, 2021
View Article titled, Strain Rate and Temperature Effects in Nanoindentation Testing on Hardness in Selective Laser Melting IN718
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Topics: Grain size, Lasers, Melting, Nanoindentation, Stress, Temperature, Wall thickness, Simulation, Testing, Temperature effects
Proceedings Papers

Rate Dependent Gradient Theory for Shear Band Analysis in Clayey Soils

George Z. Voyiadjis, Chung R. Song
Proc. ASME. ETCE2001, Part B: Offshore and Arctic Operations; Pipeline Technology; Production Technology; Tribology, 649-654, February 5–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: ETCE2001-17035
https://doi.org/10.1115/ETCE2001-17035
View Paper titled, Rate Dependent Gradient Theory for Shear Band Analysis in Clayey Soils
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Topics: Shear (Mechanics), Soil, Flow (Dynamics), Rotation, Plasticity, Viscosity
Proceedings Papers

Comparison of the Method of Cells With the Mori-Tanaka in Predicting Damaged Elasto-Plastic Behavior of Laminated Composite Materials

Babur Deliktas, George Z. Voyiadjis
Proc. ASME. ETCE2001, Part A: Combustion and Alternative Energy Technology; Computers in Engineering; Drilling Technology; Environmental Engineering Technology; Composite Materials Design and Analysis; Manufacturing and Services, 267-271, February 5–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: ETCE2001-17139
https://doi.org/10.1115/ETCE2001-17139
View Paper titled, Comparison of the Method of Cells With the Mori-Tanaka in Predicting Damaged Elasto-Plastic Behavior of Laminated Composite Materials
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Topics: Composite materials, Constitutive equations, Mechanical behavior, Tensors
Proceedings Papers

Bridging Length Scales Between Macroscopic Response and Microstructure Through Gradient Anisotropic Damage for MMC

George Z. Voyiadjis, Robert J. Dorgan, J. R. Dorroh
Proc. ASME. ETCE2001, Part B: Offshore and Arctic Operations; Pipeline Technology; Production Technology; Tribology, 643-648, February 5–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: ETCE2001-17034
https://doi.org/10.1115/ETCE2001-17034
View Paper titled, Bridging Length Scales Between Macroscopic Response and Microstructure Through Gradient Anisotropic Damage for MMC
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Topics: Anisotropy, Damage, Plasticity, Dislocations, Fracture (Materials)
Journal Articles

An Indirect Indentation Method for Evaluating the Linear Viscoelastic Properties of the Brain Tissue

Aref Samadi-Dooki, George Z. Voyiadjis, Rhett W. Stout
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. June 2017, 139(6): 061007.
Paper No: BIO-17-1042
https://doi.org/10.1115/1.4036486
Published Online: April 26, 2017
View Article titled, An Indirect Indentation Method for Evaluating the Linear Viscoelastic Properties of the Brain Tissue
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Topics: Biological tissues, Brain, Viscoelasticity, Testing, Stress, Anisotropy, Stiffness, Mechanical properties
Journal Articles

Fatigue Damage Analysis of Double-Lap Bolted Joints Considering the Effects of Hole Cold Expansion and Bolt Clamping Force

Ying Sun, George Z. Voyiadjis, Weiping Hu, Qingchun Meng, Yuanming Xu
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. April 2017, 139(2): 021007.
Paper No: MATS-16-1157
https://doi.org/10.1115/1.4035325
Published Online: February 7, 2017
View Article titled, Fatigue Damage Analysis of Double-Lap Bolted Joints Considering the Effects of Hole Cold Expansion and Bolt Clamping Force
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Journal Articles

Flow Stress and Damage Behavior of C45 Steel Over a Range of Temperatures and Loading Rates

Farid H. Abed, Mohammad H. Saffarini, Akrum Abdul-Latif, George Z. Voyiadjis
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. April 2017, 139(2): 021012.
Paper No: MATS-16-1175
https://doi.org/10.1115/1.4035488
Published Online: February 7, 2017
View Article titled, Flow Stress and Damage Behavior of C45 Steel Over a Range of Temperatures and Loading Rates
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Topics: Damage, Flow (Dynamics), Steel, Stress, Temperature, Hammers
Journal Articles

Higher-Order Thermomechanical Gradient Plasticity Model With Energetic and Dissipative Components

George Z. Voyiadjis, Yooseob Song, Taehyo Park
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. April 2017, 139(2): 021006.
Paper No: MATS-16-1154
https://doi.org/10.1115/1.4035293
Published Online: February 7, 2017
View Article titled, Higher-Order Thermomechanical Gradient Plasticity Model With Energetic and Dissipative Components
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Topics: Energy dissipation, Finite element analysis, Plasticity, Strain gradient, Stress, Temperature, Thermomechanics, Thin films, Grain boundaries
Journal Articles

Decomposition of Elastic Stiffness Degradation in Continuum Damage Mechanics

George Z. Voyiadjis, Peter I. Kattan
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. April 2017, 139(2): 021005.
Paper No: MATS-16-1152
https://doi.org/10.1115/1.4035292
Published Online: February 1, 2017
View Article titled, Decomposition of Elastic Stiffness Degradation in Continuum Damage Mechanics
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Topics: Damage, Fracture (Materials), Scalars, Stiffness, Stress, Tensors, Damage mechanics
Journal Articles

Overview of Enhanced Continuum Theories for Thermal and Mechanical Responses of the Microsystems in the Fast-Transient Process

George Z. Voyiadjis, Danial Faghihi
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. October 2014, 136(4): 041003.
Paper No: MATS-14-1145
https://doi.org/10.1115/1.4028121
Published Online: August 22, 2014
View Article titled, Overview of Enhanced Continuum Theories for Thermal and Mechanical Responses of the Microsystems in the Fast-Transient Process
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Topics: Dislocations, Energy dissipation, Grain boundaries, Temperature, Stress, Plasticity, Deformation
Journal Articles

A Thermodynamic Consistent Model for Coupled Strain-Gradient Plasticity With Temperature

Danial Faghihi, George Z. Voyiadjis
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. January 2014, 136(1): 011002.
Paper No: MATS-13-1080
https://doi.org/10.1115/1.4025508
Published Online: November 7, 2013
View Article titled, A Thermodynamic Consistent Model for Coupled Strain-Gradient Plasticity With Temperature
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Topics: Constitutive equations, Deformation, Dislocations, Energy dissipation, Heat, Plasticity, Strain gradient, Temperature, Stress, Flow (Dynamics)
Journal Articles

On the Theory of Elastic Undamageable Materials

George Z. Voyiadjis, Peter I. Kattan
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. April 2013, 135(2): 021002.
Paper No: MATS-12-1107
https://doi.org/10.1115/1.4023770
Published Online: March 25, 2013
View Article titled, On the Theory of Elastic Undamageable Materials
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Topics: Damage, Damage mechanics, Rubber, Stress, Stress-strain relations, Deformation, Stress-strain curves, Stiffness
Journal Articles

Coupled Thermomechanical Modeling of Small Volume FCC Metals

Danial Faghihi, George Z. Voyiadjis, Taehyo Park
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. April 2013, 135(2): 021003.
Paper No: MATS-12-1113
https://doi.org/10.1115/1.4023771
Published Online: March 25, 2013
View Article titled, Coupled Thermomechanical Modeling of Small Volume FCC Metals
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Topics: Dislocations, Heat, Stress, Temperature, Flow (Dynamics), Grain boundaries, Plasticity, Metals, Energy dissipation, Boundary-value problems
Journal Articles

Dynamic Localizations in HSLA-65 and DH-36 Structural Steel at Elevated Temperatures

Farid H. Abed, Fadi Makarem, George Z. Voyiadjis
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. April 2013, 135(2): 021007.
Paper No: MATS-12-1123
https://doi.org/10.1115/1.4023775
Published Online: March 25, 2013
View Article titled, Dynamic Localizations in HSLA-65 and DH-36 Structural Steel at Elevated Temperatures
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Topics: Shear (Mechanics), Steel, Stress, Temperature, Structural steel, Deformation, Flow (Dynamics), Viscoplasticity, Compression
Journal Articles

Residual Stress Analysis of the Autofrettaged Thick-Walled Tube Using Nonlinear Kinematic Hardening

G. H. Farrahi, George Z. Voyiadjis, S. H. Hoseini, E. Hosseinian
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. April 2013, 135(2): 021204.
Paper No: PVT-11-1225
https://doi.org/10.1115/1.4007472
Published Online: March 18, 2013
View Article titled, Residual Stress Analysis of the Autofrettaged Thick-Walled Tube Using Nonlinear Kinematic Hardening
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Topics: Autofrettage, Deformation, Hardening, Kinematics, Stress, Residual stresses, Damage, Plasticity, Simulation
Journal Articles

A Plasticity Model for Metals With Dependency on All the Stress Invariants

George Z. Voyiadjis, S. H. Hoseini, G. H. Farrahi
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. January 2013, 135(1): 011002.
Paper No: MATS-12-1059
https://doi.org/10.1115/1.4007386
Published Online: December 21, 2012
View Article titled, A Plasticity Model for Metals With Dependency on All the Stress Invariants
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Topics: Deformation, Hardening, Plasticity, Stress, Metals, Tension
Journal Articles

Cyclic Viscoplastic-Viscodamage Analysis of Shape Memory Polymers Fibers With Application to Self-Healing Smart Materials

Amir Shojaei, Guoqiang Li, George Z. Voyiadjis
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. January 2013, 80(1): 011014.
Paper No: JAM-11-1467
https://doi.org/10.1115/1.4007140
Published Online: October 29, 2012
View Article titled, Cyclic Viscoplastic-Viscodamage Analysis of Shape Memory Polymers Fibers With Application to Self-Healing Smart Materials
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Topics: Damage, Deformation, Fibers, Stress, Tensors, Texture (Materials), Shape memory polymers, Smart materials
Journal Articles

New Tensors for Anisotropic Damage in Continuum Damage Mechanics

George Z. Voyiadjis, Mohammed A. Yousef, Peter I. Kattan
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2012, 134(2): 021015.
https://doi.org/10.1115/1.4006067
Published Online: March 27, 2012
View Article titled, New Tensors for Anisotropic Damage in Continuum Damage Mechanics
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Topics: Damage, Tensors, Anisotropy, Damage mechanics
Journal Articles

A New Class of Damage Variables in Continuum Damage Mechanics

George Z. Voyiadjis, Peter I. Kattan
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2012, 134(2): 021016.
https://doi.org/10.1115/1.4004422
Published Online: March 27, 2012
View Article titled, A New Class of Damage Variables in Continuum Damage Mechanics
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Topics: Damage