1-20 of 54
Keywords: plastic flow
Close
Sort by
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. April 2013, 135(2): 021004.
Paper No: MATS-12-1114
Published Online: March 25, 2013
... in the homogenization process, the plastic flow acting on the microscopic truss members gives rise to extend the elastic domain of the analytical stress function derived from homogenize constitutive equations at the macroscale level. Analytical stress predictions show excellent agreements with the results obtained from...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Multi-Physics Approaches For The Behavior Of Polymer-Based Materials
J. Eng. Mater. Technol. July 2011, 133(3): 030901.
Published Online: June 23, 2011
...–Mechanical Modeling of Polymers and Composites,” Polym. Sci. Ser. A, 48, pp. 1004–1013) of semicrystalline polymers. It is supposed that increase in the interlamellar nanovoid volume fraction results in speeding-up the plastic flow rate while decreasing cavitation rate. Consequently, a proper fitting...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021019.
Published Online: March 22, 2011
... and athermal components of the flow stresses. Finally, a thermal activation analysis was performed. annealing ductility elongation plastic flow pressing softening steel stress-strain relations tensile testing thermal analysis yield strength rephosphorized interstitial free steel tensile...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2010, 132(1): 011012.
Published Online: December 1, 2009
... stress field evolution. Notably, relaxation has been correctly simulated in the low-cycle fatigue regime and imputed to plastic flow in compression when the superposition of compressive residual and bending stresses exceeds the local cyclic yield strength of the material. Conversely, the residual stress...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2010, 132(1): 011008.
Published Online: November 3, 2009
... the grain shape effect together with the new viscous parameter γ on the strain-stress behavior of aluminum and Waspaloy under tensile test. 07 01 2009 28 03 2009 03 11 2009 03 11 2009 elasticity grain size hardening plastic flow SCF calculations stress-strain relations...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Mater. Technol. October 2009, 131(4): 044501.
Published Online: September 9, 2009
... are necessary to manufacture automotive structures, high final resistance values are required in the final parts. aluminum heat treatment warm forming aluminium alloys automotive materials deformation ductility plastic flow precipitation hardening tensile strength 12 05 2008 09...
Journal Articles
Publisher: ASME
Article Type: Predictive Science And Technology In Mechanics And Materials
J. Eng. Mater. Technol. October 2009, 131(4): 041203.
Published Online: August 27, 2009
... , Oxford, UK . Sundararajan , G. , and Tirupataiah , Y. , 2006 , “ The Localization of Plastic Flow Under Dynamic Indentation Conditions: I. Experimental Results ,” Acta Mater. 1359-6454 , 54 , pp. 565 – 575 . 10.1016/j.actamat.2005.09.022 Hertzberg , R. W. , 1996...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2009, 131(3): 031013.
Published Online: June 4, 2009
...Russell J. McDonald; Christos Efstathiou; Peter Kurath The purpose of this work is to explore nonuniform plastic flow at small length- and time-scales. Pure single crystal copper tensile specimens were pulled along the [ 6 ¯ 5 6 ] crystal axis at three nominal strain-rates: 0.01%/s, 0.04%/s...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2009, 131(3): 031009.
Published Online: May 29, 2009
... conditions typical of industrial processes, such as rolling. 24 06 2008 04 12 2008 29 05 2009 aluminium alloys compressive testing deformation high-temperature effects hot rolling plastic flow work hardening The use of aluminum alloys in engineering applications...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2009, 131(2): 021016.
Published Online: March 9, 2009
..., but there is a threshold for embedded fiber volume fraction at specific parameters, over which the plastic flow and friction may be insufficient to have a strong bond at foil/foil interfaces between fibers. The study also showed that base metal thickness did not have significant influence on the interfacial strength...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. October 2008, 130(4): 041001.
Published Online: August 26, 2008
..., and conical). The indentation stress-displacement curve at large strains is linear as a result of the steady-state plastic flow, from which the mean indentation pressure, a measure of yield strength, can be readily extrapolated. The indentation stress-displacement response is independent of the indenter...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2008, 130(3): 031004.
Published Online: May 22, 2008
... than that of the DC material. 29 06 2007 06 12 2007 22 05 2008 aluminium alloys fracture mechanical testing plastic flow shear strength sheet materials stress-strain relations The mechanical behavior of aluminum alloys at large strain is of considerable interest...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2008, 130(2): 021011.
Published Online: March 13, 2008
... copper alloys cracks magnesium alloys plastic flow point defects slip thermomechanical treatment voids (solid) X-ray scattering aluminum Guinier radius nanovoids quenching SAXS strain rate sensitivity thermally activated deformation Plastic flow in crystalline solids is made...
Journal Articles
Publisher: ASME
Article Type: Nadai Award Paper
J. Eng. Mater. Technol. April 2007, 129(2): 173–181.
Published Online: April 1, 2007
.... For general material types, it is shown that it is possible to have a state of spreading plastic flow, but as the elastic-plastic boundary advances, the conditions for yielding on it can change over to conditions for brittle failure because of the evolving stress state. The general theory is of a three...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Mater. Technol. April 2007, 129(2): 342–347.
Published Online: January 18, 2007
... tool steel cold working plastic flow yield strength elastic moduli When deforming metals, the force required to maintain material flow controls many process parameters, such as: tooling strength, equipment size, and energy expenditure; ultimately affecting overall part cost. This force...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2007, 129(3): 414–421.
Published Online: December 26, 2006
... of coefficients of friction in the forming zone. The present authors have published a series of works on tube hydroforming. For example, they used the finite element method to explore the plastic flow pattern of a circular tube hydraulically expanded or crushed into various cross sections ( 8 9 10 ). They also...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Mater. Technol. April 2007, 129(2): 332–341.
Published Online: September 1, 2006
...Wei Tong; Nian Zhang Temporal and spatial characteristics of serrated plastic flow or the so-called Portevin-Le Chatelier (PLC) deformation bands in a commercial Al - 2.5 % Mg sheet metal due to dynamic strain aging effects were investigated experimentally under quasi-static uniaxial tension...