1-20 of 64
Keywords: indentation
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-22-1119
Published Online: July 18, 2022
...Chuanqing Chen; Qiao Wang; Hui Wang; Huaiping Ding; Wei Hu; Wenhao Xie; Panpan Weng; Liang Jiang; Xiaochun Yin Both strain hardening and indenter elastic deformation are unavoidable in most engineering contacts. By the finite element (FE) method, this paper investigates the unloading behavior...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2022, 144(4): 041503.
Paper No: TRIB-21-1344
Published Online: November 12, 2021
... is involved, comprehensive Young’s modulus can be simplified as (4) 1 E * = 1 − μ 2 E mixed elastoplastic micro-asperity strain hardening strain hardening exponent contact area indentation volume conservation model 25 07 2021 17 10 2021 18 10...
Journal Articles
Article Type: Research Papers
J. Tribol. November 2021, 143(11): 111202.
Paper No: TRIB-20-1135
Published Online: February 23, 2021
...Iqbal Shareef; Joshua A. Brandes; Erwin V. Zaretsky Static Load Capacity as defined by Palmgren is the load (stress) applied to a bearing that results in an indentation greater than 0.0001 times the diameter of the rolling element. The effect of hardness on the Static Load Capacity of AISI 52100...
Topics: Bearings, Stress
Journal Articles
Article Type: Research Papers
J. Tribol. May 2021, 143(5): 051102.
Paper No: TRIB-20-1413
Published Online: February 12, 2021
..., and III from the top surface to 800 µ m depth with a 25 µ m-spacing between indents in this study (Fig. 7 ). The average values of Young’s modulus and hardness are, respectively, 126 GPa (standard deviation of 8 GPa) and 3.2 GPa (standard deviation of 0.2 GPa). These values are in line with other works...
Journal Articles
Article Type: Research Papers
J. Tribol. August 2021, 143(8): 081703.
Paper No: TRIB-20-1406
Published Online: December 14, 2020
..., indentation craters, and ploughing craters were the main surface damage features. The shear craters predominated at the impact angle of 45 deg whereas the indentation craters predominated at 90 deg. During the steady-state of erosion, the rail damage was mainly composed of craters, platelets, and cracks. Both...
Journal Articles
Article Type: Research Papers
J. Tribol. August 2021, 143(8): 081502.
Paper No: TRIB-20-1343
Published Online: November 24, 2020
... Poisson’s ratio. The model results are compared with numerical and mathematical models for isotropic auxetic polymers. The indentation of auxetic materials is analyzed for the effects of friction, plasticity and allowing separation after contact with a spherical indenter using a commercial software, abaqus...
Journal Articles
Article Type: Research Papers
J. Tribol. November 2020, 142(11): 112401.
Paper No: TRIB-20-1092
Published Online: June 11, 2020
.... , 370 , pp. 92 – 101 . 10.1016/j.apsusc.2016.02.114 [26] Ponton , C. B. , and Rawlings , R. D. , 1989 , “ Vickers Indentation Fracture Toughness Test Part 1 Review of Literature and Formulation of Standardised Indentation Toughness Equations ,” Mater. Sci. Technol. , 5 ( 9 ), pp...
Journal Articles
Article Type: Research Papers
J. Tribol. February 2020, 142(2): 021703.
Paper No: TRIB-18-1430
Published Online: October 17, 2019
... deformation friction coefficient finite element artificial neural network friction indentation micro-tribology scratching The dimensionless quantity friction coefficient, depicting the relative ease with which materials slide against one another under certain circumstances, has been widely used...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2020, 142(1): 011701.
Paper No: TRIB-19-1011
Published Online: October 17, 2019
... Contributed by the Tribology Division of ASME for publication in the J ournal of T ribology . 06 01 2019 04 09 2019 04 09 2019 12 09 2019 indentation micro-tribology wear Zinc is widely used for protection against galvanic corrosion and is almost indispensable...
Journal Articles
Article Type: Research-Article
J. Tribol. May 2018, 140(3): 031605.
Paper No: TRIB-17-1080
Published Online: December 6, 2017
..., due to normal impact of erodents the indentation craters are formed on the eroded surface. The blocky- and subangular-shape quartz particles deform the surface material in the form of flakes, which may be flattened due to successive impact of quartz particles (see Fig. 7( d ) ). The formation of rim...
Journal Articles
Article Type: Research-Article
J. Tribol. January 2018, 140(1): 011406.
Paper No: TRIB-17-1081
Published Online: August 22, 2017
... plate elastoplastic impacts and elucidates the underlying impact phenomena. Experiments were performed on 0.635 cm and 0.476 cm diameter (d) spheres of various materials impacting aluminum 6061 plates of different thicknesses (t) with the low impact velocities up to 3.1 m/s. Besides COR, indentation...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2017, 139(6): 061402.
Paper No: TRIB-16-1304
Published Online: June 7, 2017
... uncertainties and nonlinearities observed in structural dynamics community. As evident from Fig. 7 , the unloading response follows the loading curve with a minute hysteresis. As discussed in cyclic indentation tests, this is thanks to predominantly elastic loading. At the retracting phase, the forces become...
Journal Articles
Article Type: Research-Article
J. Tribol. July 2017, 139(4): 041104.
Paper No: TRIB-16-1141
Published Online: April 4, 2017
... simple perfectly plastic plate behavior with zero tangent modulus. For softer material combinations (i.e., the lower values of composite-elastic modulus), the assumed material behavior is well capturing the actual sphere–plate indentation process. Therefore, the results for aluminum and brass...
Journal Articles
Article Type: Research-Article
J. Tribol. October 2016, 138(4): 041405.
Paper No: TRIB-15-1288
Published Online: July 26, 2016
...: Zhong Min Jin. 05 08 2015 11 02 2016 Bio-tribology Contact mechanics Indentation Quantifying the material properties of cartilage, which is nonlinear, anisotropic, heterogeneous, and viscoelastic, has been historically challenging. Early studies used indentation...
Journal Articles
Article Type: Research-Article
J. Tribol. October 2016, 138(4): 041404.
Paper No: TRIB-15-1234
Published Online: July 20, 2016
... a Hertz-like quasi-static indentation (loading time > 1.4 hrs) by a polyacrylamide probe into a stiff flat surface in a submerged environment. The real contact area and width were calculated from in situ images of the interface processed to reduce image noise and thresholded to define the perimeter...
Journal Articles
Article Type: Research-Article
J. Tribol. October 2016, 138(4): 041403.
Paper No: TRIB-15-1221
Published Online: July 14, 2016
...A. Zare; M. J. Klopfstein; D. A. Lucca; L. Price; L. Shao; G. Q. Xie Nanoindentation experiments with a Berkovich indenter and a spherical indenter were performed to study the effects of annealing at temperatures below the glass transition temperature and room temperature ion irradiation...
Journal Articles
Article Type: Research-Article
J. Tribol. April 2016, 138(2): 021503.
Paper No: TRIB-15-1191
Published Online: October 27, 2015
...George K. Nikas Metallic microparticles of 5–100 μ m in size often contaminate elastohydrodynamic (EHD) contacts and indent surfaces. The geometrical characteristics of dents by such solid particles are linked to the way surface damage may evolve and how it may affect the life of the damaged...
Journal Articles
Article Type: Technical Briefs
J. Tribol. October 2015, 137(4): 044502.
Paper No: TRIB-14-1293
Published Online: October 1, 2015
... ,” Mech. Mater. , 33 ( 11 ), pp. 617 – 633 . 10.1016/S0167-6636(01)00074-6 [3] Park , Y. J. , and Pharr , G. M. , 2004 , “ Nanoindentation With Spherical Indenters: Finite Element Studies of Deformation in the Elastic–Plastic Transition Regime ,” Thin Solid Films , 447/448 , pp. 246...
Journal Articles
Article Type: Research-Article
J. Tribol. October 2015, 137(4): 041102.
Paper No: TRIB-14-1266
Published Online: October 1, 2015
... of the deformation. In SAE 52100 steel, white etching bands evolve within DER at 30 deg and 80 deg angles with respect to the surface [ 9 ]. Micro-indentation studies within these bands have revealed significant softening [ 11 ] and thus their formation may indicate impending cracking. Such localized microstructural...
Journal Articles
Article Type: Research-Article
J. Tribol. January 2016, 138(1): 011101.
Paper No: TRIB-15-1084
Published Online: July 10, 2015
...Xiaolan Ai; Carl Hager The presence of debris particles in rolling element bearings can pose a major risk for premature fatigue damage on modern bearing components made from clean steels. A clear understanding of surface indentation characteristics and the associated particle that inflicted...