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Keywords: thermoelasticity
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Journal Articles
Article Type: Technical Briefs
J. Tribol. April 2009, 131(2): 024503.
Published Online: March 5, 2009
.... Figure 9 shows variation in wear depth with an increase in surface roughness. 27 05 2008 20 12 2008 05 03 2009 adhesives elastodynamics gears lubrication surface roughness thermoelasticity wear spur gear line of action load sharing adhesive wear surface roughness...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2008, 130(4): 041402.
Published Online: August 6, 2008
... of a half-space over a stationary sphere is simulated with this model. The friction-induced heat is partitioned into two bodies based on surface temperature distributions. In the simulation, the sphere is considered to be fully thermoelastoplastic, while the half-space is treated to be thermoelastic...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2008, 130(2): 021504.
Published Online: April 8, 2008
... global approach that considers a mean temperature of fluid film. In addition, the thermoelastic behavior of the lip surface is taken into account with a relationship between Young’s modulus and the mean temperature of the lip surface. It is shown that the local temperature of the contact zone increases...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2008, 130(1): 011009.
Published Online: December 26, 2007
... for controlling the tilting angle. 12 09 2006 20 05 2007 26 12 2007 elastodynamics friction hydrodynamics machine bearings thermoelasticity tilting-pad bearing friction loss enclosed recess thrust bearing thermoelastohydrodynamic model design suggestions Although...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2007, 129(4): 904–912.
Published Online: June 19, 2007
... loads and velocities, discrepancies grow to up to 25%. This is due to the accuracy of the measurements. When using hydrostatic jacking the model predicts the start-up behavior well. 14 06 2006 19 06 2007 hydrodynamics machine bearings oils thermoelasticity tilting-pad thrust...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2007, 129(4): 841–850.
Published Online: March 30, 2007
..., creates a diverging gap. 06 11 2006 30 03 2007 compressible flow confined flow elastodynamics film flow finite element analysis heat transfer hydrodynamics seals (stoppers) thermoelasticity mechanical gas face seals inertia effects choked flow compressible elastic...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2007, 129(4): 818–828.
Published Online: March 15, 2007
...Woon Yik Yong; Patrick S. Keogh Annular components are used widely in engineering systems and include bearing bushes and races, which may be exposed to extreme operating conditions. A method to establish the localized transient thermoelastic deformation of a homogeneous two-dimensional annular...
Journal Articles
Article Type: Technical Papers
J. Tribol. July 2007, 129(3): 647–654.
Published Online: February 16, 2007
... on the test results used to understand and validate the traction∕compression loading system, which is one of the key points in the test bench behavior. 23 06 2005 16 02 2007 machine bearings rods (structures) elastodynamics thermoelasticity hydrodynamics numerical analysis design...
Journal Articles
Article Type: Technical Papers
J. Tribol. July 2007, 129(3): 536–543.
Published Online: December 6, 2006
...C. H. Gao; J. M. Huang; X. Z. Lin; X. S. Tang This paper develops a three-dimensional (3D) thermal-structure coupling model, implements transient stress analysis of thermoelastic contact of disk brakes with a frictional heat variation and identifies the source of the thermal fatigue...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2006, 128(4): 718–724.
Published Online: April 30, 2006
.... Compared to the thermoelastic instability (TEI) in which eigenmodes always decay with time when the sliding speed is below a critical value, numerical results from TEDI have shown that some of the modes always grow in the time domain at any sliding speed. As a result, when the inertial effect is considered...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2006, 128(1): 49–58.
Published Online: December 14, 2005
... are compared with measured temperature, oil film thickness, and pressure. 21 April 2004 14 July 2004 14 12 2005 machine bearings polymer films liquid films thermoelasticity elastodynamics hydrodynamics lubricating oils forced convection PTFE Thrust Pad Bearing Temperature...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2006, 128(2): 236–244.
Published Online: November 2, 2005
... are underlined. 15 04 2005 02 11 2005 elastoplasticity thermoelasticity mechanical contact rough surfaces wear finite element analysis The paper focused on plasticity and material hardening of initially smooth or rough surfaces, due to normal and tangential loading. The contact...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2006, 128(1): 32–39.
Published Online: September 16, 2005
... the surface. However, if the material is orthotropic, the curvature of the surface depends only on the local heat flux into the half-plane. As a direct application, the two-dimensional thermoelastic contact problem of an indenter sliding against an orthotropic half-plane is considered. Two cases, where...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2006, 128(1): 85–95.
Published Online: August 17, 2005
... finite element analysis Fourier series thermoelasticity elastodynamics hydrodynamics viscosity lubrication elastic deformation heat conduction cavitation The modeling of the variation of lubricant viscosity with temperature is crucial in the analysis of how engine bearings perform...
Journal Articles
Article Type: Article
J. Tribol. April 2005, 127(2): 355–364.
Published Online: April 7, 2005
... A = ∫ Ω m s ˙ T M s ˙ ε 3 kk * M , A s ˙ d Ω mechanical contact sliding friction rolling friction rolling bearings plastic deformation thermal stresses elastoplasticity thermoelasticity iterative methods fast Fourier transforms...
Journal Articles
Article Type: Article
J. Tribol. April 2005, 127(2): 331–342.
Published Online: April 7, 2005
... by superposition of overlapping triangular pressure elements. The normal surface displacements due to the effects of contact pressure, shear traction, and thermoelastic distortion caused by frictional heating are incorporated in the influence coefficients of the matrix-inversion method. Results for a smooth...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2005, 127(4): 756–765.
Published Online: April 5, 2005
...C. Krempaszky; H. Lippmann Based on Kirchhoff’s plate theory a model is developed to estimate the onset of thermoelastic instabilities (TEI) in axisymmetric sliding systems consisting of plate components such as automotive disk breaks or clutches. The thermoelastic feedback due to a symmetric, two...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2006, 128(1): 59–66.
Published Online: February 9, 2005
... in solving simultaneously the equations that govern the lubrication and the thermoelasticity problem, respectively. The Reynolds equation and a parabolic profile for the temperature makes it possible to treat the lubrication part of the problem. The heat equation and the thermoelasticity equations...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2005, 127(4): 750–755.
Published Online: January 27, 2005
..., moving heat source and surface convection. 04 08 2004 27 01 2005 thermoelasticity friction thermal expansion mechanical contact convection cooling wear failure (mechanical) One of the aspects of contact that affects performance, wear, and failure is surface heating...
Journal Articles
Article Type: Technical Papers
J. Tribol. July 2004, 126(3): 459–465.
Published Online: June 28, 2004
...Yuan Lin, Graduate Research Assistant; Timothy C. Ovaert, Mem. ASME, Professor By applying the extended version of Stroh’s formalism, the two-dimensional thermoelastic problem for a semi-infinite anisotropic elastic half-plane is formulated. The steady-state heat transfer condition is assumed...