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Keywords: viscoplasticity
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. September 2023, 90(9): 091003.
Paper No: JAM-23-1108
Published Online: June 5, 2023
...YuanLiang Wang; YanQing Liao; JiaHui Peng; YongZhong Ni; Hong Xu This paper is concerned with the two simple numerical implementation methods for a damage-coupled Chaboche-type viscoplastic constitutive model. By considering the damage variable as a constant in each incremental step, the return...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. June 2023, 90(6): 061005.
Paper No: JAM-22-1421
Published Online: February 22, 2023
... nonlinear viscoplastic response. The aim of this study is to model aforementioned experiments numerically and investigate the influence of nonlinear material response on the presliding response of spherical contacts. A finite element model of a rigid spherical indenter pressed and sheared on a nonlinear...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. April 2022, 89(4): 041001.
Paper No: JAM-21-1397
Published Online: December 8, 2021
... Contributed by the Applied Mechanics Division of ASME for publication in the J ournal of A pplied M echanics . 03 10 2021 18 11 2021 19 11 2021 08 12 2021 high-speed microscopy particle tracking shear bands spatial resolution temporal resolution viscoplasticity finite...
Includes: Supplementary data
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. January 2013, 80(1): 011014.
Paper No: JAM-11-1467
Published Online: October 29, 2012
... property, which promotes their application as mechanical actuators in smart material systems. A full understanding of the thermomechanical-damage responses of these fibers is crucial to minimize the trial-and-error manufacturing processes of these material systems. In this work, a multiscale viscoplastic...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. November 2011, 78(6): 061017.
Published Online: August 25, 2011
... parameters are fitted against the stress-strain curves at various temperatures, as shown in Fig. 17 . 3 The viscoplastic parameters such as Q , s , s s , and h can be roughly fitted from the compression tests at different strain rates (Fig. 18 ). The ratio Q / s determines the strain rate...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. January 2011, 78(1): 011012.
Published Online: October 20, 2010
... 20 10 2010 aluminium crystal microstructure dislocations finite element analysis grain size hardening metallic thin films thermal stresses viscoplasticity X-ray diffraction yield stress Thin metal films have been widely studied to gain a better understanding...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. May 2009, 76(3): 031017.
Published Online: March 13, 2009
... Converging Dies, Using a Viscoplastic Constitutive Equation ,” Int. J. Mech. Sci. 0020-7403 10.1016/0020-7403(75)90040-5 , 17 , pp. 425 – 433 . Durban , D. , 1984 , “ Rate Effects in Steady Forming Processes of Plastic Materials ,” Int. J. Mech. Sci. , 26 ( 4 ), pp. 293 – 304 . 0020-7403...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. November 2008, 75(6): 061011.
Published Online: August 20, 2008
...K. A. Ismail; W. J. Stronge A viscoplastic coefficient of restitution (COR) that accounts for nonfrictional sources of energy dissipation is determined for direct collision between hard compliant bodies. This COR incorporates effects of both irreversible elastic-plastic material (rate-independent...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. September 2008, 75(5): 051008.
Published Online: July 15, 2008
... system. From a thermodynamic perspective, one can also estimate the scale dependencies of the dissipation potential in the velocity space and its complementary potential in the force space. The viscoplastic material, being a purely dissipative material, is ideally suited for this purpose. 01 09...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. November 2006, 73(6): 984–994.
Published Online: April 17, 2006
... of the crust was modeled by means of finite elements methods to solve Stokes equations for a strain-rate-dependent viscoplastic rheology. The model takes into account erosion effects using interface-tracking methods to assign fictitious properties to nonmaterial elements. The modeling of the processes...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. March 2006, 73(2): 291–299.
Published Online: July 25, 2005
...E. Mitsoulis; S. Sofou The lubrication approximation theory (LAT) is used to provide numerical results for calendering a sheet from an infinite reservoir. The Herschel–Bulkley model of viscoplasticity is employed, which reduces with appropriate modifications to the Bingham, power-law, and Newtonian...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. November 2004, 71(6): 796–804.
Published Online: January 27, 2005
... in the ASME JOURNAL OF APPLIED MECHANICS . viscoplasticity ductility ductile fracture stress-strain relations cracks plates (structures) elasticity hardening finite element analysis It is well established that plastic deformation takes place in regions of high stress concentrations...
Journal Articles
Publisher: ASME
Article Type: Additional Technical Papers
J. Appl. Mech. September 2006, 73(5): 860–870.
Published Online: October 8, 2004
... for by viscoplastic dissipation in the epoxy outside the cohesive zone. The minimum toughness of the coated sapphire interfaces was about five times higher than the mode-mix independent intrinsic toughness of the uncoated specimens. The increase in overall toughness with mode-mix was almost completely accounted...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. September 2002, 69(5): 641–648.
Published Online: August 16, 2002
...D. N. Robinson, Professor Emeritus; K. J. Kim; J. L. White, Director A constitutive theory is presented for a transversely isotropic, viscoplastic (Bingham) fluid. The theory accounts for threshold (yield) and viscous flow characteristics through inclusion of a potential function serving the dual...