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Keywords: elastic deformation
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2022, 144(10): 101203.
Paper No: TRIB-21-1356
Published Online: June 6, 2022
...Shuyun Jiang; Yongjin Zhu Axial static stiffness is a main technical indicator for the ball screw feed drive system, and the elastic deformation outside the Hertz contact zone of the system affects its axial static stiffness. However, the influence of elastic deformation outside the Hertz contact...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2011, 133(3): 031404.
Published Online: July 25, 2011
... to slider-disk contacts. 01 05 2010 18 03 2011 25 07 2011 25 07 2011 discs (structures) elastic deformation friction hardening mechanical contact plastic deformation thermomechanical treatment velocity transient thermomechanical elastic-plastic spherical contact...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. July 2011, 133(3): 034503.
Published Online: July 21, 2011
... computational complexity elastic deformation flow simulation grid computing mesh generation A number of recent papers and discussions have convinced the author to write the present Technical Brief. It is intended to remind authors and reviewers of calculational papers that the terms “complexity...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2010, 132(4): 042101.
Published Online: October 7, 2010
... sectional shape. Contact pressure between the journal surfaces and the bearing surfaces with microgroove was calculated using the Hertzian contact model and the effects of elastic deformation of bearing surface due to hydrodynamic and contact pressures were considered. A numerical calculation model...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. July 2010, 132(3): 034501.
Published Online: June 24, 2010
... for the hydrodynamic pressure instead of the total pressure with appropriately defined boundary conditions. crystallographic shear elastic deformation hydrodynamics lubrication surface roughness viscosity In this paper, the elastohydrodynamic (EHL) line-contact problem between two rough surfaces...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011401.
Published Online: November 12, 2009
... the fractal dimension D increases the real contact area, meanwhile, decreases the critical contact area, so those microcontacts yield elastic deformation, which, in turn, increases the normal and tangential contact stiffnesses. In detail, when two surfaces are in contact, their contact stiffnesses...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2009, 131(3): 031201.
Published Online: May 26, 2009
... to evaluate the elastic deformation of either the spherical or nonspherical bearing surfaces. A fixed-tracked method was also developed to simulate the complex morphology introduced by moving the interface of the nonspherical bearing surfaces. The general methodology for the nonspherical bearing was first...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 011102.
Published Online: December 4, 2008
...Tomoya Sakaguchi; Kazuyoshi Harada In order to investigate cage stress in tapered roller bearings, a dynamic analysis tool considering both the six degrees of freedom of motion of the rollers and cage and the elastic deformation of the cage was developed. Cage elastic deformation is equipped using...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2008, 130(4): 041201.
Published Online: August 1, 2008
... continuous piecewise smoothly quadratic (Q block). The undeformed elastic blocks are spatially symmetric; their elastic deformation is simplified by taking it to be affine, with the degree of shape asymmetry linearly increasing with shear stress. We find that the V block exhibits nonzero Coulomb-type...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2008, 130(3): 031405.
Published Online: June 26, 2008
...K. Willner The effect of dry metallic friction can be attributed to two major mechanisms: adhesion and ploughing. While ploughing is related to severe wear and degradation, adhesion can be connected to pure elastic deformations of the contacting bodies and is thus the predominant mechanism...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2008, 130(3): 031102.
Published Online: June 23, 2008
...Dong-Hyun Lee; Young-Cheol Kim; Kyung-Woong Kim To obtain the foil bearing characteristics, the fluid film pressure must be coupled with the elastic deformation of the foil structure. However, all of the structural models thus far have simplified the foil structure without consideration of its...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2008, 130(2): 021501.
Published Online: March 13, 2008
...W. Habchi; D. Eyheramendy; P. Vergne; G. Morales-Espejel The solution of the elastohydrodynamic lubrication (EHL) problem involves the simultaneous resolution of the hydrodynamic (Reynolds equation) and elastic problems (elastic deformation of the contacting surfaces). Up to now, most...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2008, 130(2): 021401.
Published Online: March 3, 2008
... in this regime of elastic deformations. At higher normal loads ( P * > 50 ) , corresponding to the elastic-plastic regime of deformations, the static friction coefficient is not affected by surface roughness and seems to follow a universal law as predicted theoretically by Brizmer et al. in Ref...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2008, 130(1): 011007.
Published Online: December 17, 2007
... R radius of cup or head S spherical displacement response matrix defined by Eq. 9 t time w applied load δ elastic deformation for the ball and the cup in spherical bearing β cup inclination angle ε eccentricity between...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Tribol. October 2007, 129(4): 772–782.
Published Online: June 10, 2007
... , “ An Asperity Microcontact Model Incorporating the Transition From Elastic Deformation to Fully Plastic Flow ,” ASME J. Tribol. 0742-4787 10.1115/1.555332 , 122 , pp. 86 – 93 . Kragel’skii , I. V. , and Mikhin , N. M. , 1988 , Handbook of Friction Units of Machines , ASME , New York...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Tribol. October 2007, 129(4): 942–951.
Published Online: May 20, 2007
... Institute of Science, Bangalore. 28 03 2006 20 05 2007 aluminium alloys elastic deformation eutectic alloys lubrication plastic flow silicon alloys voids (solid) wear Ultramild wear aluminium-silicon alloy elastic shakedown wear transition In an internal...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Tribol. July 2007, 129(3): 509–516.
Published Online: February 2, 2007
...Yuchuan Liu; W. Wayne Chen; Dong Zhu; Shuangbiao Liu; Q. Jane Wang An elastohydrodynamic lubrication (EHL) model for coated surfaces in point contacts has been developed by combining the elastic deformation formulation for the coated surfaces with an EHL model. Inverse fast Fourier transform (IFFT...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Tribol. July 2007, 129(3): 544–552.
Published Online: January 8, 2007
... and elastic deformation. However, wear has rarely been incorporated into the numerical models used as predictive tools in engineering practice. This paper presents a numerical approach to simulate the wear process based on the deterministic mixed elastohydrodynamic lubrication (EHL) model developed...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Tribol. April 2007, 129(2): 292–304.
Published Online: January 3, 2007
... , Y. , Maletta , D. M. , and Chang , L. , 2000 , “ An Asperity Microcontact Model Incorporating the Transition from Elastic Deformation to Fully Plastic Flow ,” J. Tribol. 0742-4787 10.1115/1.555332 , 122 , pp. 86 – 93 . Jacq , C. , Nelias , D. , Lormand , G...