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Keywords: torsion
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Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. April 2019, 141(2): 021002.
Paper No: MATS-18-1159
Published Online: October 18, 2018
... increase of 85% from torsion to tension and a strain rate dependence that showed a maximum strength increase of 38% from 10 −1 to 10 3 s −1 at 20% strain. In tension, a negative strain rate sensitivity (nSRS) was observed in the quasi-static rate regime yet was positive when traversing from the quasi...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2010, 132(2): 021016.
Published Online: March 12, 2010
... cyclic bending and torsion loading. It is demonstrated that the proposed criterion gives satisfactory results for all the five checked materials. 27 04 2009 21 10 2009 12 03 2010 12 03 2010 bending fatigue hardening pipes shafts steel torsion WB model multiaxial...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2009, 131(2): 021009.
Published Online: March 9, 2009
... calibration is done through two strain-life curves generated under fully reversed uniaxial and fully reversed torsional fatigue loadings, respectively. The accuracy and reliability of our approach were systematically checked by using approximately 350 experimental data taken from the technical literature...
Journal Articles
Article Type: Shear Behavior And Related Mechanisms In Materials Plasticity
J. Eng. Mater. Technol. January 2009, 131(1): 011108.
Published Online: December 22, 2008
...Benoît Beausir; László S. Tóth; Fathallah Qods; Kenneth W. Neale Torsion experiments were carried out on pure magnesium (99.9%) and the magnesium alloy AZ71 under free-end conditions of testing. The alloy had an axisymmetric initial texture, while the pure Mg samples were prepared from a rolled...
Journal Articles
Article Type: Shear Behavior And Related Mechanisms In Materials Plasticity
J. Eng. Mater. Technol. January 2009, 131(1): 011102.
Published Online: December 18, 2008
...Burghardt Klöden; Carl-Georg Oertel; Werner Skrotzki; Erik Rybacki Texture formation and Swift effect were investigated in torsion deformed NiAl. High-strain torsion of solid bars was done with a Paterson rock deformation machine at temperatures between 700 K and 1300 K under a confining pressure...
Journal Articles
Article Type: Shear Behavior And Related Mechanisms In Materials Plasticity
J. Eng. Mater. Technol. January 2009, 131(1): 011101.
Published Online: December 18, 2008
...Burghardt Klöden; Carl-Georg Oertel; Werner Skrotzki; Erik Rybacki The microstructure development was investigated in torsion deformed NiAl. High strain torsion of solid bars was done with a Paterson rock deformation machine at temperatures between 700 K and 1300 K under a confining pressure of 400...
Journal Articles
Article Type: Shear Behavior And Related Mechanisms In Materials Plasticity
J. Eng. Mater. Technol. January 2009, 131(1): 011103.
Published Online: December 18, 2008
...S. M. Lim; C. Desrayaud; F. Montheillet The development of ideal orientations within the steady-state region of hot torsion flow curves of fcc and bcc metals undergoing “continuous” dynamic recrystallization is analyzed. It is well known that in fcc metals, e.g., Al deformed at 400 ° C and above...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2008, 130(3): 031013.
Published Online: June 11, 2008
...Sergiy Kalnaus; Yanyao Jiang Tension-compression, torsion, and axial-torsion fatigue experiments were conducted on the AL6XN alloy to experimentally investigate the cyclic plasticity behavior and the fatigue behavior. The material is found to display significant nonproportional hardening when...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2006, 128(3): 419–427.
Published Online: December 20, 2005
...Xiaohu Yao; Qiang Han The buckling of multiwalled carbon nanotubes under torsional load coupling with temperature change is researched. The effects of torsional load, temperature change, surrounding elastic medium, and van der Waals forces between the inner and outer nanotubes are taken...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2005, 127(3): 301–309.
Published Online: March 25, 2005
...Mohamed N. A. Nasr; M. N. Abouelwafa; A. Gomaa; A. Hamdy; E. Morsi The effect of torsional mean stress on the fatigue behavior of glass fiber-reinforced polyester (GFRP) is studied by testing thin-walled, woven-roving tubular specimens with two fiber orientations, [ ± 45 ° ] 2 s and [ 0 , 90 ° ] 2...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2005, 127(1): 130–135.
Published Online: February 22, 2005
...M. Nasr; M. N. Abouelwafa; A. Gomaa; A. Hamdy; E. Morsi Thin-walled tubular specimens, made from woven-roving glass fiber-reinforced polyester (GFRP) with two fiber orientations, [ ± 45 ° ] 2 s and [ 0 , 90 ° ] 2 s , were tested under torsional fatigue tests at negative stress ratios R , R = − 1...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2004, 126(1): 19–28.
Published Online: January 22, 2004
... to a wide range of combined axial and twist displacements. Experiments included pure axial tension, pure torsion, combined loading in which the axial and torsion displacements varied proportionally, and combined loading in which the axial and torsion displacements varied non-proportionally (phase between...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2002, 124(3): 342–351.
Published Online: June 10, 2002
... September 2001 15 March 2002 10 06 2002 plasticity indentation hardness slip plastic flow bending tensors elasticity torsion free energy grain boundaries dislocation loops boundary-value problems crack-edge stress field analysis dislocation interactions There has been...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2002, 124(3): 358–364.
Published Online: June 10, 2002
... probes. In addition, applications of wavelet analysis to interpret size effect data in torsion and bending at the micron scale are examined by deriving scale-dependent constitutive equations which are used for this purpose. Contributed by the Materials Division for publication in the JOURNAL...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2002, 124(3): 322–328.
Published Online: June 10, 2002
...M. F. Horstemeyer; J. Lim; W. Y. Lu; D. A. Mosher; M. I. Baskes; V. C. Prantil; S. J. Plimpton We analyze simple shear and torsion of single crystal copper by employing experiments, molecular dynamics simulations, and finite element simulations in order to focus on the kinematic responses...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. April 2002, 124(2): 152–159.
Published Online: March 26, 2002
...Chandra S. Yerramalli, Graduate Research Assistant; Anthony M. Waas, Professor The in situ shear response of the matrix in polymer matrix composites (PMC) has been studied. Torsion tests were performed on solid cylinders of unidirectional glass fiber reinforced/vinylester and unidirectional carbon...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2002, 124(1): 48–54.
Published Online: May 10, 2001
..., and for sequences of compression followed by shear. Polychromatic synchrotron x-radiation was used to study samples from four strain histories: virgin specimens, 50% effective strain in compression, 100% effective strain in torsion, and 50% compressive strain followed by 50% torsion. A very narrow beam illuminated...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2001, 123(3): 268–273.
Published Online: March 11, 2001
...Takenobu Takeda, Professor; Zhongchun Chen, Research Associate In order to analyze the anisotropic hardening behavior of metals, an off-axis torsion test by combined loading is developed. In this test, the maximum shear stress direction φ can be changed from 0 deg to 90 deg while the ratio...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2000, 122(3): 321–326.
Published Online: March 15, 2000
... the inelastic flow dependence on each of the three stress invariants ( I 1 , J 2 , and J 3 ) is to follow stress paths where only one invariant is changing. Two classical experiments that do this are hydrostatic pressure and pure torsion, however many others are possible. Unfortunately, these stress paths...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2000, 122(1): 49–55.
Published Online: September 9, 1999
... (Hibbitt et al., 1997 [ABAQUS Version 5.7]) to predict ratchetting results for a tension-torsion specimen. The models were integrated numerically by the implicit Backward Euler rule, and the material parameters were calibrated via optimization for the uniaxial experimental data. The algorithmic tangent...