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A. E. Giannakopoulos
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Journal Articles

Hyperbolicity, Mach Lines, and Super-Shear Mode III Steady-State Fracture in Magneto-Flexoelectric Materials, Part I: Methodology

A. E. Giannakopoulos, C. Knisovitis, A. Charalambopoulos, Th. Zisis, Ares J. Rosakis
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. December 2023, 90(12): 121009.
Paper No: JAM-23-1019
https://doi.org/10.1115/1.4056914
Published Online: August 25, 2023
View Article titled, Hyperbolicity, Mach Lines, and Super-Shear Mode III Steady-State Fracture in Magneto-Flexoelectric Materials, Part I: Methodology
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Topics: Displacement, Fracture (Materials), Polarization (Electricity), Shear (Mechanics), Steady state, Rupture, Polarization (Light), Polarization (Waves), Magnetic fields, Fracture (Process)
Journal Articles

The Relation of the Vickers Hardness With the Loading Stiffness of Instrumented Vickers Indentation of Metal Substrates

E. A. Baxevani, A. E. Giannakopoulos
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Mater. Technol. July 2010, 132(3): 034501.
https://doi.org/10.1115/1.4001300
Published Online: June 15, 2010
View Article titled, The Relation of the Vickers Hardness With the Loading Stiffness of Instrumented Vickers Indentation of Metal Substrates
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Topics: Metals, Stiffness, Vickers hardness testing, Work hardening
Journal Articles

Development of Strong Surfaces Using Functionally Graded Composites Inspired by Natural Teeth—A Theoretical Approach

A. E. Giannakopoulos, A. Kordolemis, Th. Zisis
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2010, 132(1): 011009.
https://doi.org/10.1115/1.3184037
Published Online: November 5, 2009
View Article titled, Development of Strong Surfaces Using Functionally Graded Composites Inspired by Natural Teeth—A Theoretical Approach
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Topics: Composite materials, Elastic moduli, Stress, Displacement
Journal Articles

Development of Strong Surfaces Using Functionally Graded Composites Inspired by Natural Teeth—Finite Element and Experimental Verification

Th. Zisis, A. Kordolemis, A. E. Giannakopoulos
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2010, 132(1): 011010.
https://doi.org/10.1115/1.3184038
Published Online: November 5, 2009
View Article titled, Development of Strong Surfaces Using Functionally Graded Composites Inspired by Natural Teeth—Finite Element and Experimental Verification
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Topics: Composite materials, Finite element analysis, Stress, Young's modulus, Functionally graded materials
Journal Articles

The Influence of Initial Elastic Surface Stresses on Instrumented Sharp Indentation

A. E. Giannakopoulos, Mem. ASME
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. September 2003, 70(5): 638–643.
https://doi.org/10.1115/1.1485756
Published Online: October 10, 2003
View Article titled, The Influence of Initial Elastic Surface Stresses on Instrumented Sharp Indentation
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Topics: Stress
Journal Articles

Strength Analysis of Spherical Indentation of Piezoelectric Materials

A. E. Giannakopoulos, Mem. ASME
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. June 2000, 67(2): 409–416.
https://doi.org/10.1115/1.1304913
Published Online: October 13, 1999
View Article titled, Strength Analysis of Spherical Indentation of Piezoelectric Materials
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Topics: Boundary-value problems, Electric charge, Electric potential, Finite element analysis, Piezoelectric materials, Stress, Strength (Materials), Piezoelectric ceramics, Electric fields
Journal Articles

Total Deformation, Plane-Strain Contact Analysis of Macroscopically Homogeneous, Compositionally Graded Materials With Constant Power-Law Strain Hardening

A. E. Giannakopoulos
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. December 1997, 64(4): 853–860.
https://doi.org/10.1115/1.2788992
Published Online: December 1, 1997
View Article titled, Total Deformation, Plane-Strain Contact Analysis of Macroscopically Homogeneous, Compositionally Graded Materials With Constant Power-Law Strain Hardening
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Topics: Deformation, Plane strain, Work hardening, Stress, Bioengineering, Corrosion, Fatigue, Materials properties, Protective coatings, Railroads
Journal Articles

The Contact Problem at Delamination

A. E. Giannakopoulos, K.-F. Nilsson, G. Tsamasphyros
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. December 1995, 62(4): 989–996.
https://doi.org/10.1115/1.2896034
Published Online: December 1, 1995
View Article titled, The Contact Problem at Delamination
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Topics: Contact mechanics, Delamination, Buckling, Fracture (Materials), Stress, Anisotropy, Finite element analysis, Plate theory, Thin films
Journal Articles

The Dynamic Energy Release Rate of Delaminations Based on Midlin-Type Nonlinear Plate Theory

A. E. Giannakopoulos, K. -F. Nilsson
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Briefs
J. Appl. Mech. December 1993, 60(4): 1046–1047.
https://doi.org/10.1115/1.2900973
Published Online: December 1, 1993
View Article titled, The Dynamic Energy Release Rate of Delaminations Based on Midlin-Type Nonlinear Plate Theory
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Topics: Delamination, Plate theory
Journal Articles

Dynamic Damage in Certain Monolithic Ceramic Materials

A. E. Giannakopoulos
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. September 1991, 58(3): 639–643.
https://doi.org/10.1115/1.2897243
Published Online: September 1, 1991
View Article titled, Dynamic Damage in Certain Monolithic Ceramic Materials
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Topics: Ceramics, Damage, Dynamic response, Rods, Stress, Waves
Journal Articles

Maximal Crack Tip Shielding by Microcracking

M. Ortiz, A. E. Giannakopoulos
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. June 1989, 56(2): 279–283.
https://doi.org/10.1115/1.3176079
Published Online: June 1, 1989
View Article titled, Maximal Crack Tip Shielding by Microcracking
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Topics: Anisotropy, Damage, Fracture (Materials), Microcracks, Tension