1-20 of 92
Keywords: Hardness
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
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
...-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...
Journal Articles
Article Type: Technical Briefs
J. Tribol. February 2022, 144(2): 024501.
Paper No: TRIB-20-1431
Published Online: May 4, 2021
... circular soil bin abrasion hardness surface properties Tillage practices of plowing and cultivation are as old as the human civilization in producing crops on farms [ 1 ]. In loosening compacted soils and mixing soils for seed-bed operations, tillage tools are subjected to friction and low...
Topics: Soil, Wear, Gravel
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. October 2021, 143(10): 102101.
Paper No: TRIB-20-1217
Published Online: February 12, 2021
...-carrying friction wear current-carrying efficiency current-carrying stability contact friction hardness sliding Current-carrying friction widely occur in many electromechanical applications, such as satellites, radars, and trams, where the electrical signals or power is needed to be...
Journal Articles
Article Type: Research Papers
J. Tribol. May 2021, 143(5): 051102.
Paper No: TRIB-20-1413
Published Online: February 12, 2021
... heat treatment. Microstructure and nano-testing allow identifying specific sliding behaviors in three attitude regions: (I) surface (0–50 µm), (II) subsurface (50–200 µm), and (III) inner-part (below 200 µm). The average hardness drops slightly when moving from Regions I and II (3.35 GPa) to Region III...
Journal Articles
Article Type: Research Papers
J. Tribol. August 2021, 143(8): 081702.
Paper No: TRIB-20-1274
Published Online: November 25, 2020
... at high speeds, due to shear failure of the subsurface layer. Finally, the authors found a strong interaction between those factors on the surface hardness and that when a higher force is applied, the amount and depth of deformation increase, increasing its hardening. Rodríguez et al. [ 13...
Journal Articles
Article Type: Research Papers
J. Tribol. August 2021, 143(8): 081701.
Paper No: TRIB-20-1387
Published Online: November 18, 2020
... MML, as shown in Fig. 16( c ) . In addition, the rise in temperature is high at high loads. It had been observed by some researchers [ 73 , 74 ] that Al alloys and its composites with hard particulates, exhibit negative work hardening rates at the temperature which is usually developed due to...
Journal Articles
Article Type: Research Papers
J. Tribol. March 2021, 143(3): 031402.
Paper No: TRIB-20-1199
Published Online: September 21, 2020
... Division of ASME for publication in the J ournal of T ribology . 08 05 2020 11 08 2020 12 08 2020 21 09 2020 tribology iron contact alumina coating SPH simulation coatings friction hardness sliding In order to protect the surface of a metallic substrate under...
Journal Articles
Article Type: Research Papers
J. Tribol. March 2021, 143(3): 031202.
Paper No: TRIB-20-1183
Published Online: September 11, 2020
..., whereas VB overlaid steel has shown better wear resistance. Other significant factors affecting the wear of ploughshares are surface hardness and structure. The relation between microhardness and wear-rate (g/km) of specimens tested under T1, T2, T3, and T4 conditions at different moisture content...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2020, 142(10): 101401.
Paper No: TRIB-20-1071
Published Online: August 11, 2020
... Vickers hardness tester (Model MVH1, Metatech) is used to measure the average microhardness of various coated surfaces, which are listed in Table 3 . Table 3 shows that due to an increase in the percentage of titanium oxide, the average microhardness of the specimen also increases. The surface...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2021, 143(1): 011704.
Paper No: TRIB-20-1015
Published Online: July 28, 2020
... 2020 28 07 2020 transition metal nitride Hf-Mo-N high temperature friction and wear dry friction films hardness wear The cutting tools and mechanical parts experience severe and complex friction conditions, like the highly applied load, widely work temperatures, and serious...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2021, 143(1): 011705.
Paper No: TRIB-20-1179
Published Online: July 28, 2020
... in the J ournal of T ribology . 24 04 2020 18 06 2020 18 06 2020 28 07 2020 oxy-nitriding sulfur nitriding nitriding tribo-chemistry zinc dialkydithiophosphate films friction hardness lubricant additives lubricants surface layers surface properties and...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2021, 143(1): 011703.
Paper No: TRIB-20-1068
Published Online: July 16, 2020
... deposition process, the coating layer hardness increased to 1000 HVN, whereas the hardness of the matrix was 250 HVN. The wear tests were performed using a ball-on-disc tribometer under 5 N load at room temperature and 500 °C on aluminized and untreated Mirrax steel. In both room temperature and high...
Journal Articles
Article Type: Research Papers
J. Tribol. December 2020, 142(12): 121501.
Paper No: TRIB-19-1465
Published Online: July 15, 2020
... rolling contact fatigue contact mechanics hardness Surface case hardening is extensively and successively used to improve wear and contact fatigue resistances of steels without affecting bulk material properties. Because the combination of a harder surface and a more ductile core can effectively...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2020, 142(10): 101704.
Paper No: TRIB-20-1034
Published Online: May 22, 2020
... min. Phase analysis of processed composites revealed the formation of some hard-intermetallic compounds such as nickel silicides (NiSi, Ni 2 Si, and Ni 3 Si 2 ) and carbides (Cr 3 C 2 and Cr 7 C 3 ). Microstructure analysis confirms the favorable growth of equiaxed grains with uniform dispersion of...
Journal Articles
Article Type: Research Papers
J. Tribol. September 2020, 142(9): 091702.
Paper No: TRIB-19-1047
Published Online: April 21, 2020
... 04 2020 friction coefficient friction heat coarse-grained micronscale iron SPH simulation contact dry friction hardness thermal mounds Friction and friction heat are always associated with each other in a relative sliding between two contact objects. It is widely known that the...
Journal Articles
Article Type: Research Papers
J. Tribol. August 2020, 142(8): 081701.
Paper No: TRIB-19-1426
Published Online: March 30, 2020
... studied the effect of dissimilar materials on fretting behavior but mainly in the context of hardness. As experimental methodology has been adopted in these studies, the effect of dissimilar material properties has been reported in terms of global variables like wear volume or fretting fatigue life, but...