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Song Huang - One of the best experts on this subject based on the ideXlab platform.

  • A study on the effect of subsurface crack propagation on rolling contact fatigue in a BeaRing Ring
    Journal of Mechanical Science and Technology, 2015
    Co-Authors: Song Deng, Xunpeng Qin, Song Huang
    Abstract:

    To study the subsurface fatigue crack propagation under rolling contact fatigue (RCF), a subsurface fatigue crack is firstly observed in a ball BeaRing race. Then, a three-dimensional model of a BeaRing Ring containing a subsurface crack is used to evaluate fatigue crack propagation based on stress intensity factor (SIF) calculations. Several parameters, such as the crack shape, depth and size, are varied to investigate their effects on RCF in the BeaRing Ring.

  • Effect of material defects on crack initiation under rolling contact fatigue in a BeaRing Ring
    Tribology International, 2013
    Co-Authors: Song Deng, Song Huang
    Abstract:

    Abstract The effects of material defects such as pores on the crack initiation under rolling contact fatigue (RCF) in a BeaRing Ring are investigated here. First, the main contact position between the ball and the raceway surface is investigated, and the effect of the depth of the pore on the crack initiation is analyzed. Second, several parameters, such as radial load, surface traction and raceway groove curvature radius (RGCR), are varied to evaluate stress intensity factors (SIFs), crack growth rates and crack growth angles. The results provide valuable guidelines for enhanced understanding of RCF in BeaRings.

  • subsurface crack propagation under rolling contact fatigue in BeaRing Ring
    Science China-technological Sciences, 2013
    Co-Authors: Song Deng, Xunpeng Qin, Xinghui Han, Song Huang
    Abstract:

    The influences of subsurface cracks, distributing along the axial direction, on the rolling contact fatigue (RCF) faliure in a BeaRing Ring are investigated. A realistic three-dimensional model of the BeaRing Ring containing three subsurface cracks is used to evaluate the fatigue crack propagation based on stress intensity factor (SIF) calculations. Moreover, the distributions of the subsurface cracks along the axial direction are varied to study their effects on RCF. The results provide valuable guidelines for enhanced understanding of RCF in BeaRings.

Song Deng - One of the best experts on this subject based on the ideXlab platform.

  • A study on the effect of subsurface crack propagation on rolling contact fatigue in a BeaRing Ring
    Journal of Mechanical Science and Technology, 2015
    Co-Authors: Song Deng, Xunpeng Qin, Song Huang
    Abstract:

    To study the subsurface fatigue crack propagation under rolling contact fatigue (RCF), a subsurface fatigue crack is firstly observed in a ball BeaRing race. Then, a three-dimensional model of a BeaRing Ring containing a subsurface crack is used to evaluate fatigue crack propagation based on stress intensity factor (SIF) calculations. Several parameters, such as the crack shape, depth and size, are varied to investigate their effects on RCF in the BeaRing Ring.

  • Effect of material defects on crack initiation under rolling contact fatigue in a BeaRing Ring
    Tribology International, 2013
    Co-Authors: Song Deng, Song Huang
    Abstract:

    Abstract The effects of material defects such as pores on the crack initiation under rolling contact fatigue (RCF) in a BeaRing Ring are investigated here. First, the main contact position between the ball and the raceway surface is investigated, and the effect of the depth of the pore on the crack initiation is analyzed. Second, several parameters, such as radial load, surface traction and raceway groove curvature radius (RGCR), are varied to evaluate stress intensity factors (SIFs), crack growth rates and crack growth angles. The results provide valuable guidelines for enhanced understanding of RCF in BeaRings.

  • subsurface crack propagation under rolling contact fatigue in BeaRing Ring
    Science China-technological Sciences, 2013
    Co-Authors: Song Deng, Xunpeng Qin, Xinghui Han, Song Huang
    Abstract:

    The influences of subsurface cracks, distributing along the axial direction, on the rolling contact fatigue (RCF) faliure in a BeaRing Ring are investigated. A realistic three-dimensional model of the BeaRing Ring containing three subsurface cracks is used to evaluate the fatigue crack propagation based on stress intensity factor (SIF) calculations. Moreover, the distributions of the subsurface cracks along the axial direction are varied to study their effects on RCF. The results provide valuable guidelines for enhanced understanding of RCF in BeaRings.

M Batsiolas - One of the best experts on this subject based on the ideXlab platform.

  • characterization of fatigue and adhesion properties of a c h crn coatings on BeaRing Rings by impact tests
    Surface & Coatings Technology, 2008
    Co-Authors: K D Bouzakis, A Asimakopoulos, M Batsiolas
    Abstract:

    The impact test is used for the quantitative assessment of various properties of thin hard coatings, deposited on machine elements, tools etc. This test is mainly applied on coated specimens with simple geometries such as of cutting inserts and coated plates. In the described investigations, perpendicular and inclined impact tests were conducted directly on PVD coated BeaRing Rings. The tests were performed with the aid of appropriate fixtures on the internal cylindrical surface of the outer BeaRing Ring, as well as on the external one of the inner Ring. Through a developed FEM simulation of the contact between the indenter ball and the cylindrical Ring surfaces duRing the perpendicular and the inclined impact test, the film fatigue endurance stress was determined and the coating's adhesion was quantified. The mechanical properties of the applied thin films and substrates, used in the FEM calculations, were detected by nanoindentations and appropriate results evaluation. The obtained film fatigue endurance stress of the investigated coating can be considered as adequate however the coating adhesion is assessed as poor.

Yazheng Liu - One of the best experts on this subject based on the ideXlab platform.

  • microstructural characterization strengthening and toughening mechanisms of a quenched and tempered steel effect of heat treatment parameters
    Materials Science and Engineering A-structural Materials Properties Microstructure and Processing, 2017
    Co-Authors: Bo Jiang, Mai Zhang, Fan Zhao, Zhigang Zhao, Yazheng Liu
    Abstract:

    Abstract A quenched and tempered steel for a large BeaRing Ring was investigated. The heat treatment experiments were designed by using the L 9 (3 4 ) type orthogonal form. Based on these conditions, a better combination of mechanical properties was obtained. The results showed that the quenching and the tempeRing temperatures were the most influential factors on the strength and toughness. The dislocation strengthening and the solid solution strengthening of the dissolved alloying carbides are the main mechanisms of increasing the strength by decreasing the tempeRing temperature and increasing the quenching temperature, respectively. The stripped carbides and long chain carbides strongly influence the differences in the tensile strength of the steels under different processes. The toughness AKv at −20 °C was increased by 42.2 J when the quenching temperature increased from 800 to 900 °C. The stripped undissolved carbides at lower quenching temperature promoted crack propagation and cleavage fracture and thus decreased the toughness of the steel. The AKv was increased by 47.4 J when the tempeRing temperature increased from 550 to 650 °C. The long chain carbides distributed along the grain boundary and the martensitic laths with a high density of dislocations at the lower tempeRing temperature decreased the toughness. Oil quenching can improve both the strength and toughness by refining the martensitic microstructure.

Xunpeng Qin - One of the best experts on this subject based on the ideXlab platform.

  • A study on the effect of subsurface crack propagation on rolling contact fatigue in a BeaRing Ring
    Journal of Mechanical Science and Technology, 2015
    Co-Authors: Song Deng, Xunpeng Qin, Song Huang
    Abstract:

    To study the subsurface fatigue crack propagation under rolling contact fatigue (RCF), a subsurface fatigue crack is firstly observed in a ball BeaRing race. Then, a three-dimensional model of a BeaRing Ring containing a subsurface crack is used to evaluate fatigue crack propagation based on stress intensity factor (SIF) calculations. Several parameters, such as the crack shape, depth and size, are varied to investigate their effects on RCF in the BeaRing Ring.

  • subsurface crack propagation under rolling contact fatigue in BeaRing Ring
    Science China-technological Sciences, 2013
    Co-Authors: Song Deng, Xunpeng Qin, Xinghui Han, Song Huang
    Abstract:

    The influences of subsurface cracks, distributing along the axial direction, on the rolling contact fatigue (RCF) faliure in a BeaRing Ring are investigated. A realistic three-dimensional model of the BeaRing Ring containing three subsurface cracks is used to evaluate the fatigue crack propagation based on stress intensity factor (SIF) calculations. Moreover, the distributions of the subsurface cracks along the axial direction are varied to study their effects on RCF. The results provide valuable guidelines for enhanced understanding of RCF in BeaRings.