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Keywords: copper
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2021, 143(3): 031001.
Paper No: MATS-20-1257
Published Online: January 13, 2021
..., recently been developed. These models were used to predict tertiary creep for copper at 75 °C. In the present paper, these models are applied to creep tests at higher temperatures (215 and 250 °C). These results demonstrate again that tertiary creep in copper is primarily controlled accelerated recovery...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2012, 134(1): 011007.
Published Online: December 8, 2011
... ,” Phys. Rev. B , 74 ( 2 ), p. 020102 . 10.1103/PhysRevB.74.020102 6 Voskoboinikov , R. E. , Osetsky , Y. N. , and Bacon , D. J. , 2008 , “ Computer Simulation of Primary Damage Creation in Displacement Cascades in Copper. I. Defect Creation and Cluster Statistics ,” J. Nucl...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2012, 134(1): 011001.
Published Online: December 6, 2011
...Khaled J. Al-Fadhalah The effect of texture on grain boundary character distribution (GBCD) in thermomechanically processed oxygen-free high-conductivity copper has been investigated. Copper samples were cold rolled to a reduction in thickness of 50% and then annealed for 60 min in the range of 400...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021007.
Published Online: March 4, 2011
...Yong Huang; Mason Morehead Various methods for the production of bulk nanostructured (NS)/ultrafine-grained (UFG) materials have been developed, including equal channel angular extrusion (ECAE), a form of severe plastic deformation. Using an ECAE NS/UFG copper bar as an example, this study has...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Mater. Technol. October 2010, 132(4): 044501.
Published Online: September 29, 2010
...A. Akbari-Fakhrabadi; R. Mahmudi; A. Karsaz; A. R. Geranmayeh The creep behavior of Cu–0.3Cr–0.1Ag alloy was investigated by the impression creep testing technique and compared with that of pure copper under constant punching stress in the range 80–550 MPa at temperatures in the range 688–855 K...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2010, 132(2): 021009.
Published Online: February 18, 2010
... are the material parameters. The proposed model successfully describes not only the linear rise of flow stress with logarithmic strain rate for many metals, but also the upturn of the flow stress at strain rate over about 10 4 s − 1 for the case of copper. It can also describe the exponential increase in the flow...
Journal Articles
Publisher: ASME
Article Type: Predictive Science And Technology In Mechanics And Materials
J. Eng. Mater. Technol. October 2009, 131(4): 041204.
Published Online: August 27, 2009
.... 02 02 2009 03 04 2009 27 08 2009 bicrystals copper crystal microstructure dislocations grain boundaries impurities molecular dynamics method nanostructured materials plastic deformation plasticity slip stress-strain relations grain boundaries atomistic simulation...
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): 031005.
Published Online: May 22, 2009
... serrations with a characteristic length of a few hundred microns, so that the orientation can be classified as mesoheterogeneous. The corresponding evolution of the crystal lattice is investigated below with the help of the microfoci. Copper is one of the most studied crystal orientations ( 32 ) because...
Journal Articles
Publisher: ASME
Article Type: Shear Behavior And Related Mechanisms In Materials Plasticity
J. Eng. Mater. Technol. January 2009, 131(1): 011107.
Published Online: December 22, 2008
... on sheared and on extruded samples confirms that the extrusion promotes massively simple shear. Besides, the grain refinement is measured with a dedicated transmission electron microscopy (TEM) attachment. It is shown that the grain size decreases regularly for a low carbon steel as well as for copper, down...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2008, 130(2): 021021.
Published Online: March 28, 2008
... analysis (QSA), which may be viewed as an encompassing extension of quantitative texture analysis (QTA) ( 8 9 ). QSA can help to illuminate the micromechanics of deformation processes, as well as provide critical data for validation and verification of material modeling frameworks. copper crystal...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Mater. Technol. October 2007, 129(4): 505–512.
Published Online: April 9, 2007
.... A finite element is also run and compared with the two models proposed in this work. Results from both models are compared with available experimental results for oxygen-free high-conductivity copper and 1018 cold rolled steel, and both models show reasonably good agreement with the experimental results...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Mater. Technol. April 2007, 129(2): 321–331.
Published Online: September 11, 2006
...Sathyan Subbiah; Shreyes N. Melkote Orthogonal cutting experiments using a quick-stop device are performed on Al2024-T3 and OFHC copper to study the chip–workpiece interface in a scanning electron microscope. Evidence of ductile tearing ahead of the tool at cutting speeds of 150 m ∕ min has been...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2006, 128(2): 158–162.
Published Online: October 19, 2005
...Y. V. R. K. Prasad; K. P. Rao Processing map for the hot deformation of high purity oxygen free high conductivity (OFHC) copper ( 2 ppm oxygen) has been developed in the temperature range 600 - 950 ° C and strain rate range 0.001 - 100 s − 1 . The map is compared with those published earlier...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Mater. Technol. April 2006, 128(2): 248–252.
Published Online: July 5, 2005
.... The bimetal test specimen is prepared by melting and casting solder in a Pyrex tube ( 10 ). The tip of one of the copper ends (see details of bimetal test specimen in Fig. 1 ) is dipped in a wetting material (soldering paste). Then a closely fitted Pyrex tube is inserted over the copper end. Solder in small...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2005, 127(3): 295–300.
Published Online: March 16, 2005
...Agnieszka M. Wusatowska-Sarnek Initial stage of dynamic recrystallization (DRX) under warm and hot deformation was investigated in polycrystalline copper. At the onset of DRX at intermediate deformation temperatures (i.e., high values of Zener–Hollomon parameter Z ) large orientation gradients...
Journal Articles
Publisher: ASME
Article Type: Special Section On Nanomaterials And Nanomechanics
J. Eng. Mater. Technol. October 2005, 127(4): 423–433.
Published Online: March 7, 2005
... to a novel shape memory effect to Cu nanowires not seen in bulk Cu. 02 01 2005 07 03 2005 copper nanowires elasticity molecular dynamics method crystal orientation twin boundaries martensitic transformations elongation shape memory effects Nanocomponents are of great...
Journal Articles
Publisher: ASME
Article Type: Special Section On Nanomaterials And Nanomechanics
J. Eng. Mater. Technol. October 2005, 127(4): 451–456.
Published Online: February 22, 2005
...Yong Gan; Dongyun Lee; Xi Chen; Jeffrey W. Kysar Nanocomposite thin films which consist of 50 nm Al 2 O 3 nanoparticles in a copper metal matrix were deposited on a silicon wafer. The thickness of the nanocomposite thin films was about 3 microns and the volume density of the nanoparticles...
Journal Articles
Publisher: ASME
Article Type: Special Section On Nanomaterials And Nanomechanics
J. Eng. Mater. Technol. October 2005, 127(4): 400–407.
Published Online: February 22, 2005
... of the inclusion phase is supposed to be dominated by the mechanism of glide of dislocations while the deformation of the matrix phase is described by a mechanism of adsorption of dislocations. The model is established for pure copper and could very well be applied...