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Journal Articles
Article Type: Research Papers
J. Appl. Mech. July 2011, 78(4): 041019.
Published Online: April 15, 2011
... annihilation. The occurrence of the first dislocation dipole, multiplication of dislocations, and evolution of subsurface stress field were examined in terms of contact load, dislocation source density, slip-plane distance and orientation angle, and indenter radius. In the presence of defects (dislocation...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. July 2011, 78(4): 041011.
Published Online: April 13, 2011
... elastica. Experiments are conducted on strips of transparency film. For a sufficiently large gap between the fixed end and the internal support, the strip slips through the gap and collapses downward. For moderate gaps, two continuous ranges of equilibrium shapes exist, one with relatively small...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. January 2011, 78(1): 011013.
Published Online: October 20, 2010
...). Calculations demonstrate an accurate depiction of hydrostatic and shear stresses observed experimentally in shock-loaded polycrystalline AlON. Various choices of initial resistances to slip, twinning, or shear fracture that result in similar predictions for average stresses in polycrystals but different...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. July 2010, 77(4): 041019.
Published Online: April 19, 2010
... demonstrate the obtained solutions. 21 09 2009 16 11 2009 19 04 2010 19 04 2010 drag elasticity interface phenomena internal stresses slip viscosity anisotropic elasticity elliptical inhomogeneity time-decaying uniform stress field viscous interface relaxation time...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2010, 77(3): 031014.
Published Online: February 23, 2010
..., including rotor flexibility and differenciating between stick and slip regions in the contact zones. The model analysis shows that depending on the motor’s operating conditions, complicated contact behavior may occur with several stick-slip subzones in each contact zone. The typical nonlinear resonance...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. March 2010, 77(2): 021014.
Published Online: December 14, 2009
... the elastic-plastic regime, such as stick-slip problems, and also for metals and alloys with low or moderate yield stress. 13 01 2009 02 06 2009 14 12 2009 14 12 2009 alloys elasticity elastoplasticity finite element analysis friction high-temperature effects integral...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. January 2010, 77(1): 011006.
Published Online: September 24, 2009
... friction impact (mechanical) pendulums bounds coefficient of restitution energy loss frictional impact impulse pendulum slip The determination of the rebounding velocity components of colliding bodies is an old mechanics problem, with its origin in early work by Newton and Poisson...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. November 2009, 76(6): 061018.
Published Online: July 27, 2009
... microstructure damping elastic constants friction plasma arc sprayed coatings slip thermal barrier coatings vibrations Young's modulus mechanical properties of materials damping friction As typically used, the term internal friction is an inclusive term for all types of material damping...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. January 2009, 76(1): 011006.
Published Online: October 31, 2008
...N. Ali; Y. Wang; T. Hayat; M. Oberlack Peristaltic flow of a third grade fluid in a circular cylindrical tube is undertaken when the no-slip condition at the tube wall is no longer valid. The governing nonlinear equation together with nonlinear boundary conditions is solved analytically by means of...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. July 2008, 75(4): 041004.
Published Online: May 13, 2008
... belt transmission. Transmission error between pulleys, pulley/belt slip, and tension fluctuation are deduced from pulley rotation angle measurements. Experimental results validate the theoretical analysis. Of particular note is that the instability regions are shifted to lower frequencies than the...
Topics: Belts, Excitation
Journal Articles
Article Type: Technical Briefs
J. Appl. Mech. May 2008, 75(3): 034504.
Published Online: May 5, 2008
... of interface microslip, but quantitative comparison to the experiments supports the friction stress model. 17 04 2007 18 12 2007 05 05 2008 finite element analysis friction indentation interface phenomena nanocontacts slip stress effects The Oliver–Pharr approach...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. January 2008, 75(1): 011019.
Published Online: January 16, 2008
... retained. The reduced system is then specialized to the case of a bar on a frictional surface. For this problem, a second reduction is made by noting that the time derivative of the friction force on the stuck block nearest the slip zone is much greater than the time derivatives of the friction forces...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. January 2008, 75(1): 011008.
Published Online: January 11, 2008
...Yin Zhang The curvature-stress relation is studied for a film-substrate bilayer with the effect of interfacial slip and compared with that of an ideal interface without interfacial slip. The interfacial slip together with the dimensions, elastic and interfacial properties of the film and substrate...
Journal Articles
Article Type: Discussions
J. Appl. Mech. September 2007, 74(5): 1057.
Published Online: March 20, 2007
...Izhak Etsion 06 01 2007 20 03 2007 sliding friction elastoplasticity slip adhesion shear strength The authors presented a model for sliding inception that is essentially based on the 1949 Mindlin approach (see Ref. 1 ) for frictional contact with extension to elastic...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. November 2007, 74(6): 1172–1177.
Published Online: February 4, 2007
... problems. The rise of slip and stick regions under the punch is studied. The nonlinear equations for the unknown stick region size are obtained and solved numerically. 30 06 2005 04 02 2007 thermoelasticity friction mechanical contact boundary integral equations slip nonlinear...
Journal Articles
Article Type: Discussions
J. Appl. Mech. September 2006, 73(5): 884–886.
Published Online: September 1, 2006
... contact pressure, and hence shearing traction, produces, adjacent to the edges, regimes in which the implied local relative slip direction dominates the rigid-body sliding velocity, and hence produces a violation of the Coulomb friction law. They seek to resolve the paradox by appealing to a more...
Journal Articles
Article Type: Discussions
J. Appl. Mech. September 2006, 73(5): 887.
Published Online: September 1, 2006
...G. G. Adams; J. R. Barber; M. Ciavarella; J. R. Rice sliding friction slip plasticity yield stress shear modulus The purpose of our technical brief was to first demonstrate that a paradox involving slip reversal exists in a class of sliding contact problems with friction. We were then...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. January 2007, 74(1): 31–40.
Published Online: December 7, 2005
... in terms of material and surface parameters, a general recursion formula for the case of slip in one direction with multiple reversals and constant normal loading, and a numerical method for the general three-dimensional loading case. In addition, the proposed model is developed within a plasticity...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. March 2006, 73(2): 268–280.
Published Online: July 22, 2005
...Mayue Xie; Alan J. Levy Effective viscoelastic response of a unidirectional fiber composite with interfaces that may separate or slip according to uniform Needleman-type cohesive zones is analyzed. Previous work on the solitary elastic composite cylinder problem leads to a formulation for the mean...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. September 2005, 72(5): 752–760.
Published Online: February 8, 2005
... quasistatic finite elements. The resulting constitutive model can then be used to predict the force/displacement results from arbitrary load histories. 15 07 2004 08 02 2005 damping mechanical contact finite element analysis slip The constitutive behavior of mechanical joints is...