Study of the Sliding Wear and Friction Behavior of WC + NiCrBSi Laser Cladding Coatings as a Function of Actual Concentration of WC Reinforcement Particles in Ball-on-Disk Test

2016 ◽  
Vol 63 (3) ◽  
Author(s):  
A. García ◽  
M. R. Fernández ◽  
J. M. Cuetos ◽  
R. González ◽  
A. Ortiz ◽  
...  
Keyword(s):  
Laser Cladding ◽  
Sliding Wear ◽  
Friction Behavior ◽  
Actual Concentration ◽  
Wear And Friction ◽  
Disk Test

Dry Sliding Wear Behavior of A356-ZrO2 Metal Matrix Composite

2015 ◽  
Vol 1125 ◽  
pp. 116-120
Author(s):  
Hamidreza Ghandvar ◽  
Saeed Farahany ◽  
Mohd Hasbullah Idris ◽  
Mohammadreza Daroonparvar
Keyword(s):  
Metal Matrix ◽  
Sliding Wear ◽  
Adhesive Wear ◽  
Wear Behavior ◽  
A356 Alloy ◽  
Matrix Alloy ◽  
Dry Sliding Wear ◽  
Dry Sliding ◽  
Friction Behavior ◽  
Wear And Friction

Dry sliding wear and friction behavior of cast A356 Al-Si alloy and composite containing 5wt. % ZrO2 particles were studied by means of a pins-on-disk apparatus over loads of 5N, 20N and a sliding speed of 0.628m/s. The experimental results showed that the composites exhibited a higher wear resistance in comparison to that of the unreinforced A356 alloy. The friction coefficient of tested materials increased with increasing applied load from 5 to 20 N. FESEM investigations revealed that the wear mechanism of the A356 matrix alloy changed from sever abrasive, adhesive wear into mild abrasion and adhesive wear with addition of 5wt. % ZrO2 reinforcement particles.

Insights into sliding wear and friction behavior of copper in ethanol containing alkylphosphonic acid molecules

2016 ◽  
Vol 96 ◽  
pp. 141-148 ◽  
Author(s):  
X. Roizard ◽  
J. Heinrichs ◽  
A. Et Taouil ◽  
S. Jacobson ◽  
M. Olsson ◽  
...  
Keyword(s):  
Sliding Wear ◽  
Friction Behavior ◽  
Wear And Friction ◽  
Alkylphosphonic Acid

The Unlubricated Sliding Wear Behavior of a Wrought Cobalt-Chromium Alloy Against Monolithic Ceramic Counterfaces

1989 ◽  
Vol 111 (4) ◽  
pp. 668-674 ◽  
Author(s):  
C. V. Cooper ◽  
C. L. Rollend ◽  
D. H. Krouse
Keyword(s):  
Sliding Wear ◽  
Wear Behavior ◽  
Degradation Mechanism ◽  
Chromium Alloy ◽  
Cobalt Chromium ◽  
Material Degradation ◽  
Friction Behavior ◽  
Solution Treated ◽  
Wear And Friction ◽  
Cobalt Chromium Alloy

The unlubricated sliding wear and friction behavior of a wrought cobalt-chromium alloy against sintered Al2O3, ZrO2-toughened Al2O3, MgO-partially-stabilized ZrO2, and hot-pressed Si3N4 ceramic counterfaces has been investigated. Both untreated (baseline) and surface-borided conditions of alloy 6B disks were investigated. The dominant wear and/or material degradation mechanism for surface-borided alloy 6B was a combination of abrasion and plastic deformation; in addition, adhesive transfer of the cobalt alloy to monolithic Al2O3 counterfaces was a significant wear mechanism for the as-solution-treated alloy 6B disk. For the partially stabilized ZrO2 counterface, the degradation mechanism involved thermal and/or mechanical fatigue processes, resulting in the formation of microcracks in the 6B disks transverse to the sliding direction. This microcracking has been ascribed to the low thermal conductivity of the partially stabilized ZrO2 and the activation of a martensitic, fcc-to-hcp transition with each passing of the ZrO2 ball. For borided alloy 6B against hot-pressed Si3N4, a transition from negligible to severe wear was noted with increasing sliding speeds.

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