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Keywords: plasticity
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Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2021, 143(2): 021005.
Paper No: MATS-20-1115
Published Online: November 19, 2020
... and T echnology . 29 05 2020 30 09 2020 30 09 2020 19 11 2020 dislocation dynamics plasticity neural network high entropy alloys stacking fault energy machine learning mechanical behavior High entropy alloy (HEA) is a new class of material that has many...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. July 2013, 135(3): 031010.
Paper No: MATS-12-1131
Published Online: May 13, 2013
..., 2013. Assoc. Editor: Marwan K. Khraisheh. 04 06 2012 18 01 2013 A nonassociative plasticity model of Drucker–Prager yield surface coupled with a generalized nonlinear kinematic hardening is considered. Conforming to the plasticity model, two exponential-based methods, called fully...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2012, 134(2): 021001.
Published Online: March 27, 2012
...Farid Abed; Fadi Makarem This study investigates and compares several available plasticity models used to describe the thermomechanical behavior of structural steel subjected to complex loadings. The main purpose of this comparison is to select a proper constitutive model that can later...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2012, 134(1): 011005.
Published Online: December 6, 2011
... of the fraction of plastic energy converted into heat. The susceptibility of HSLA-100 steel to failure due to the formation and development of adiabatic shear bands (ASB) is investigated from two perspectives, the well-accepted failure strain criterion and the newly suggested plastic energy criterion [1]. Our...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2011, 133(4): 041015.
Published Online: October 20, 2011
...Rashid K. Abu Al-Rub; Mahmood Ettehad Experimental tests show that particle (inclusion or precipitate) size and interparticle spacing, besides volume fraction, have a considerable effect on the macroscopic mechanical response of metal matrix microreinforced composites. Classical (local) plasticity...
Journal Articles
Article Type: Multi-Physics Approaches For The Behavior Of Polymer-Based Materials
J. Eng. Mater. Technol. July 2011, 133(3): 030907.
Published Online: July 18, 2011
...Cécile Rogueda-Berriet; Nadia Bahlouli; Daniel Pessey; Yves Rémond By the 2000/53/CE directive, the European Union leads to develop the recycling process industry, specially the plastic one, for end of life vehicles (ELV). To value these recycled materials by an isofunction use, as for example...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021012.
Published Online: March 21, 2011
...M. E. Kassner; P. Geantil; R. S. Rosen This study reports the significant ambient temperature creep plasticity at stresses below the conventional 0.2% plastic strain off-set yield stress. This is partially due to the relatively high strain-rate sensitivity of 304 stainless steel. Cold-working...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021005.
Published Online: March 3, 2011
... 10 2009 27 09 2010 03 03 2011 03 03 2011 failure (mechanical) fatigue finite element analysis plasticity polymers softening strain control stress-strain relations thermoplastic polyurethane cyclic curve softening The material examined in this study...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2011, 133(1): 011017.
Published Online: December 3, 2010
...Rashid K. Abu Al-Rub; Abu N. M. Faruk Plasticity in heterogeneous metallic materials with small volumes is governed by the interactions of dislocations at interfaces. In particular, interfaces of a material confined in a small volume can strongly affect the mechanical properties of micro...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2011, 133(1): 011012.
Published Online: December 2, 2010
... 30 08 2010 02 12 2010 02 12 2010 carbon crystal microstructure filled polymers mechanical testing nanocomposites nanofabrication nanofibres optical microscopy plasticity thin films vacuum deposition Thin films have been deployed and applied in a variety...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2010, 132(3): 031009.
Published Online: June 17, 2010
...Nripendu Dutta; Jahan Rasty The cold-expansion process is used routinely for improving the fatigue life of holes in a variety of components. The expansion process involves drawing a slightly oversized tapered mandrel through the hole. Upon expansion, the material near the hole deforms plastically...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2010, 132(3): 031008.
Published Online: June 16, 2010
... in an experimental program to cover a wide range of triaxiality and shear stress. Digital image correlation (DIC) is utilized to measure the fracture strain of the 2D specimens. Experiments are paired with simulations utilizing J 2 plasticity theory to complement the experiments and relate the fracture strain...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2010, 132(2): 021010.
Published Online: February 19, 2010
... considering minimum to maximum strain ratios of 0 and − 1 . The nonlocal equivalent plastic strain at the cracked intermetallic particles reveals overload effects manifested in two forms: (1) the cyclic plastic shear strain range is greater in the cycles following an initial tensile overstrain than without...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2010, 132(1): 011011.
Published Online: November 5, 2009
... report in literature covering such effects under cold bulk forming conditions. 21 01 2009 10 04 2009 05 11 2009 05 11 2009 deformation drawing (mechanical) microhardness plasticity stainless steel work hardening axisymmetric drawing work hardening redundant...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2010, 132(1): 011002.
Published Online: November 2, 2009
... loading paths. In this context, this generalization considers a compressible and linear anisotropic granular elastic strain behavior coupled with damage. The model is expressed in the framework of the time dependent plasticity for a small strain assumption. It is assumed that a damage variable initiates...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2010, 132(1): 011003.
Published Online: November 2, 2009
...D. Vangi; S. Tellini When measuring residual stresses using the hole-drilling strain-gauge method, plasticity effects arise if the residual stress level exceeds about 60% of the material yield strength. In this case the classical methods, which are based on the linear elastic material behavior, do...
Journal Articles
Article Type: Predictive Science And Technology In Mechanics And Materials
J. Eng. Mater. Technol. October 2009, 131(4): 041209.
Published Online: September 1, 2009
...S. Groh; H. M. Zbib Discrete dislocation dynamics is a numerical tool developed to model the plasticity of crystalline materials at an intermediate length scale, between the atomistic modeling and the crystal plasticity theory. In this review we show, using examples from the literature, how...
Journal Articles
Article Type: Predictive Science And Technology In Mechanics And Materials
J. Eng. Mater. Technol. October 2009, 131(4): 041208.
Published Online: September 1, 2009
... of theoretical frameworks, assessment of model predictive capabilities, and discovery of new physical phenomena. 24 02 2009 10 06 2009 01 09 2009 carbon nanotubes design of experiments elasticity micromechanical devices microswitches nanowires plasticity thin films...
Journal Articles
Article Type: Predictive Science And Technology In Mechanics And Materials
J. Eng. Mater. Technol. October 2009, 131(4): 041203.
Published Online: August 27, 2009
... and nanoindentation. Elastic and plastic properties were determined for freestanding films in both square and rectangular window geometries. A finite element model of the window was used to determine the yielding behavior to account for stress concentrations in the membranes. The initial yield in a pressurized...
Journal Articles
Article Type: Predictive Science And Technology In Mechanics And Materials
J. Eng. Mater. Technol. October 2009, 131(4): 041204.
Published Online: August 27, 2009
...Douglas E. Spearot; David L. McDowell The objective of this review article is to provide a concise discussion of atomistic modeling efforts aimed at understanding the nanoscale behavior and the role of grain boundaries in plasticity of metallic polycrystalline materials. Atomistic simulations...