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Keywords: Hardness
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Journal Articles
Accepted Manuscript
Article Type: Technical Briefs
J. Tribol.
Paper No: TRIB-22-1090
Published Online: September 27, 2022
.... The microstructures were studied using a scanning optical microscope (OM), Electron Backscatter Diffraction (EBSD), and electron microscope (SEM). Hardness is measured using Vickers's microhardness tester. The impact of WS 2 on the friction and wear resistance of Mg-AZ91 were evaluated using a pin on disc apparatus...
Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-22-1202
Published Online: September 21, 2022
... Email: 1298012364@qq.com Email: 1966375473@qq.com Email: yhlin28@163.com Contributed by the Tribology Division of ASME for publication in the J ournal of T ribology . 31 05 2022 05 09 2022 06 09 2022 21 09 2022 abrasion dry friction hardness surface...
Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-22-1152
Published Online: September 2, 2022
...@gmail.com Contributed by the Tribology Division of ASME for publication in the J ournal of T ribology . 23 04 2022 24 08 2022 24 08 2022 02 09 2022 coatings friction hardness sliding surface layers surface properties and characterization wear wear mechanisms...
Journal Articles
Article Type: Research Papers
J. Tribol. December 2022, 144(12): 121702.
Paper No: TRIB-22-1173
Published Online: August 18, 2022
... characteristics. The results revealed a better wear resistance and friction coefficient for recycled nanocomposites than pure magnesium. The enhanced wear resistance of recycled nanocomposites is attributed to the increased hardness and strength due to the Fe 3 O 4 nanoparticles and the turning induced...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2022, 144(10): 101708.
Paper No: TRIB-22-1089
Published Online: June 14, 2022
... a uniaxial hydraulic press under 800 MPa pressure, and thus, green compacts in Ø12 × 6 mm dimensions were produced. The green compacts produced were sintered at 1300 °C in a vacuum environment of 10 −6 mbar for 2 h. Sintered composites were characterized by hardness and density measurements...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2022, 144(10): 101703.
Paper No: TRIB-22-1026
Published Online: May 10, 2022
... conditions). Microstructural analysis revealed uniform distribution of ceramic particles in the matrix. Significant reduction in grain size and change in morphology was obtained for LB composites whereas strong interfacial bonding was obtained for LI composites. Higher hardness, lower wear-rate, and higher...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2022, 144(10): 101704.
Paper No: TRIB-22-1066
Published Online: May 10, 2022
... the hardness and wear resistance, whereas the humidity-sensitive alumina phase reduced friction at higher humidity levels. Next, CuO (5 wt%) was added to the Al 2 O 3 -B 2 O 3 composites to form Al 2 O 3 -B 2 O 3 -CuO composites. These composites showed an increase in the percentage relative density by 16–37...
Journal Articles
Article Type: Research Papers
J. Tribol. September 2022, 144(9): 091706.
Paper No: TRIB-21-1540
Published Online: May 3, 2022
... key area being space tribology. Bulk metallic glasses (BMGs) are a class of alloy characterized by their amorphous structure, which results in a material with extremely high strength, corrosion resistance, high hardness, and high elastic limit. BMGs have demonstrated improved wear resistance when...
Journal Articles
Article Type: Research Papers
J. Tribol. August 2022, 144(8): 081701.
Paper No: TRIB-21-1375
Published Online: February 14, 2022
... nanocomposites. After 1 h of mechanical milling of A356 and nano-Al 2 O 3 powders, green compacts were obtained by cold pressing. Green compacts were sintered at 550 °C in a vacuum environment (10 −6 mbar) for 1 h. Samples were characterized by density, hardness measurements, scanning electron microscopy...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2022, 144(7): 071701.
Paper No: TRIB-21-1419
Published Online: January 11, 2022
...) and energy-dispersive spectrometer (EDS). The results show that the introduction of nitrogen improves the hardness and wear resistance of Zr-based metallic glass. Compared with the non-N-doped Zr-based metallic glass, the N-doped Zr-based metallic glasses have higher hardness and lower wear-rate...
Journal Articles
Article Type: Research Papers
J. Tribol. May 2022, 144(5): 051502.
Paper No: TRIB-21-1414
Published Online: December 2, 2021
... density of dislocations and short bar-shaped cementite. The bainite exhibited higher hardness and elasticity but lower plasticity than the matrix microstructure. The incongruity of plastic deformation between upper bainite and matrix microstructures will lead to stress concentration at boundary...
Journal Articles
Article Type: Research Papers
J. Tribol. May 2022, 144(5): 051704.
Paper No: TRIB-21-1360
Published Online: December 2, 2021
... 28 10 2021 02 12 2021 PACVD process a-C:H:SiO x coating tribological performance counter body adhesion coatings dry friction hardness tribological systems wear This work and previous studies differ by a consideration of a wider range of counter body materials, normal load...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2022, 144(1): 011706.
Paper No: TRIB-21-1337
Published Online: October 20, 2021
... installation position under continuous field operation conditions. The hardness, phase structure, elemental composition, and micromorphology of the spindle hook teeth were characterized using microhardness, X-ray diffractometer (XRD), energy spectrum analyzer (EDS), and scanning electron microscope (SEM) after...
Journal Articles
Article Type: Research Papers
J. Tribol. June 2022, 144(6): 061501.
Paper No: TRIB-21-1252
Published Online: August 30, 2021
... of the material. The only evolution of mechanical behavior is due to the combined thermomechanical solicitation, which increases the hardness of the friction material. From the strain field analysis, the evolution took place on the strain localizations, which strongly depend on the distribution of graphite...
Journal Articles
Article Type: Research Papers
J. Tribol. May 2022, 144(5): 051201.
Paper No: TRIB-20-1541
Published Online: August 16, 2021
... not lead to the formation of new compounds. However, it significantly improves the shore hardness and tribological properties of EPDM. In addition, significant stick-slip phenomenon occurs during the wear process of EPDM with different carbon black content. During the wear process of EPDM, there are both...
Journal Articles
Article Type: Research Papers
J. Tribol. November 2021, 143(11): 111702.
Paper No: TRIB-21-1123
Published Online: June 18, 2021
.... AISI 4140 steel was coated with NiP through an autocatalytic bath with the addition of Al 2 O 3 particles maintained in suspension by mechanical stirring. Following, the coated samples were annealed at 600 °C to increase the hardness and to create an interdiffusion layer, which improves coating...
Journal Articles
Article Type: Research Papers
J. Tribol. March 2022, 144(3): 031402.
Paper No: TRIB-21-1098
Published Online: June 16, 2021
... of Ti exceeds 0.5, Laves phases appeared in the coatings. With increasing of Ti, the micro-hardness and wear resistance of the coatings increased, but friction coefficient and crack resistance of the coatings reduced. Suitable Ti content in the FeCoNiCrMnTi x , laser composite coating, had higher...
Journal Articles
Article Type: Research Papers
J. Tribol. March 2022, 144(3): 031701.
Paper No: TRIB-21-1065
Published Online: June 7, 2021
...-on-disc, reciprocal sliding, and micro-abrasion wear tests are quite common configurations for this purpose. Thus, a gap was identified in terms of characterization of hard physical vapor deposition (PVD) coatings subject to higher levels of contact pressure. This study aims to study and compare the wear...
Journal Articles
Article Type: Research Papers
J. Tribol. March 2022, 144(3): 031702.
Paper No: TRIB-21-1144
Published Online: June 7, 2021
... 03 2021 18 05 2021 18 05 2021 07 06 2021 non-ferrous metals (Zn–40Al–2Cu–2Si alloy) bearing materials wear behavior sliding friction bearings hardness wear mechanisms The first Zn-based commercial alloys produced in the late 1920s are called ZAMAK 2, 3, 5, and 7...
Journal Articles
Article Type: Technical Briefs
J. Tribol. February 2022, 144(2): 024501.
Paper No: TRIB-20-1431
Published Online: May 4, 2021
... density of 1.41 Mg/m 3 (standard deviation of 0.001 Mg/m 3 ). The initial characteristics of the cultivator sweeps are listed in Table 3 . The mean Bilk Hardness (HRC) values of the standard cultivator sweep and at the CADEN Edge section of the hardened sweep were 31 (Std. 3.72, n = 8) and 37 (Std...
Topics: Soil, Wear, Gravel