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Alan Needleman
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Journal Articles

A Perspective on Plasticity, Dissipation and the Second Law of Thermodynamics

Alan Needleman
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. June 2024, 91(6): 061003.
Paper No: JAM-24-1010
https://doi.org/10.1115/1.4064700
Published Online: February 22, 2024
View Article titled, A Perspective on Plasticity, Dissipation and the Second Law of Thermodynamics
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Topics: Energy dissipation, Plasticity, Deformation
Journal Articles

Non-Quadratic Strain Gradient Plasticity Theory and Size Effects in Constrained Shear

Mitsutoshi Kuroda, Alan Needleman
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. December 2023, 90(12): 121004.
Paper No: JAM-23-1213
https://doi.org/10.1115/1.4062698
Published Online: August 7, 2023
View Article titled, Non-Quadratic Strain Gradient Plasticity Theory and Size Effects in Constrained Shear
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Topics: Boundary-value problems, Plasticity, Shear (Mechanics), Strain gradient, Stress, Deformation, Metals
Journal Articles

Influence of Assumed Strain Hardening Relation on Plastic Stress-Strain Response Identification From Conical Indentation

Yupeng Zhang, Alan Needleman
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2020, 142(3): 031002.
Paper No: MATS-19-1173
https://doi.org/10.1115/1.4045852
Published Online: February 7, 2020
View Article titled, Influence of Assumed Strain Hardening Relation on Plastic Stress-Strain Response Identification From Conical Indentation
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Topics: Databases, Noise (Sound), Stress, Stress-strain curves, Work hardening, Finite element analysis, Probability
Journal Articles

Special Issue: Proceedings of the Century Fracture Mechanics Summit

Yonggang Huang, Alan Needleman, Yong-Wei Zhang
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Editorial
J. Appl. Mech. March 2020, 87(3): 030201.
Paper No: JAM-19-1631
https://doi.org/10.1115/1.4045840
Published Online: January 14, 2020
View Article titled, Special Issue: Proceedings of the Century Fracture Mechanics Summit
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Journal Articles

Influence of Grain Size Distribution on Ductile Intergranular Crack Growth Resistance

Abhilash Molkeri, Ankit Srivastava, Shmuel Osovski, Alan Needleman
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. March 2020, 87(3): 031008.
Paper No: JAM-19-1442
https://doi.org/10.1115/1.4045073
Published Online: November 21, 2019
View Article titled, Influence of Grain Size Distribution on Ductile Intergranular Crack Growth Resistance
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Journal Articles

Limits on Transformation Strains for Non-Negative Dissipation

Manish Vasoya, Babak Kondori, Ahmed Amine Benzerga, Alan Needleman
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. May 2019, 86(5): 051005.
Paper No: JAM-18-1715
https://doi.org/10.1115/1.4042577
Published Online: March 5, 2019
View Article titled, Limits on Transformation Strains for Non-Negative Dissipation
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Topics: Energy dissipation, Shear (Mechanics), Stress, Plane strain
Journal Articles

Identification of Plastic Properties From Conical Indentation Using a Bayesian-Type Statistical Approach

Yupeng Zhang, Jeffrey D. Hart, Alan Needleman
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. January 2019, 86(1): 011002.
Paper No: JAM-18-1487
https://doi.org/10.1115/1.4041352
Published Online: October 1, 2018
View Article titled, Identification of Plastic Properties From Conical Indentation Using a Bayesian-Type Statistical Approach
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Topics: Databases, Noise (Sound), Plasticity, Probability, Stress, Stress-strain curves, Finite element analysis, Plastics
Journal Articles

Effect of Properties and Turgor Pressure on the Indentation Response of Plant Cells

Viggo Tvergaard, Alan Needleman
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. June 2018, 85(6): 061007.
Paper No: JAM-18-1129
https://doi.org/10.1115/1.4039574
Published Online: March 30, 2018
View Article titled, Effect of Properties and Turgor Pressure on the Indentation Response of Plant Cells
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Topics: Pressure, Shells, Stress, Deformation, Stiffness, Wall thickness, Materials properties
Journal Articles

The Effect of Rate Dependence on Localization of Deformation and Failure in Softening Solids

Alan Needleman
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. February 2015, 82(2): 021002.
Paper No: JAM-14-1489
https://doi.org/10.1115/1.4029180
Published Online: February 1, 2015
View Article titled, The Effect of Rate Dependence on Localization of Deformation and Failure in Softening Solids
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Topics: Deformation, Failure, Solids, Energy dissipation, Stress, Shear stress
Journal Articles

Uniaxial Tension of a Class of Compressible Solids With Plastic Non-Normality

Nisha Mohan, Justine Cheng, Julia R. Greer, Alan Needleman
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. July 2013, 80(4): 040912.
Paper No: JAM-13-1064
https://doi.org/10.1115/1.4024179
Published Online: May 31, 2013
View Article titled, Uniaxial Tension of a Class of Compressible Solids With Plastic Non-Normality
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Topics: Deformation, Hardening, Necking, Stress, Tension, Solids
Journal Articles

Prediction of Ductile Fracture Surface Roughness Scaling

Alan Needleman, Viggo Tvergaard, Elisabeth Bouchaud
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. May 2012, 79(3): 031015.
https://doi.org/10.1115/1.4005959
Published Online: April 5, 2012
View Article titled, Prediction of Ductile Fracture Surface Roughness Scaling
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Topics: Fracture (Materials), Surface roughness, Ductile fracture, Stress
Proceedings Papers

Simulation of Frictional Sliding Under Impact Shear Loading

Demir Coker, Alan Needleman, George Lykotrafitis, Ares J. Rosakis
Proc. ASME. TRIB2004, ASME/STLE 2004 International Joint Tribology Conference, Parts A and B, 99-102, October 24–27, 2004
Publisher: American Society of Mechanical Engineers
Paper No: TRIB2004-64355
https://doi.org/10.1115/TRIB2004-64355
View Paper titled, Simulation of Frictional Sliding Under Impact Shear Loading
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Topics: Shear (Mechanics), Simulation, Constitutive equations, Dynamic testing (Materials), Elastic plates, Fracture (Materials), Longitudinal waves, Stress