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RISInvestigation on Friction, Anti-wear, and Extreme Pressure Properties of Different Grades of Polyalphaolefins With Functionalized Multi-walled Carbon Nanotubes as an Additive
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the present investigation, the COOH-functionalized multi-walled carbon nanotubes (MWCNTs) having an outer diameter of 20–30 nm and length 1−2 μm were dispersed in four different grades of polyalphaolefins (PAOs; i.e., ...
Augmentation in Tribological Performance of Polyalphaolefins by COOH-Functionalized Multiwalled Carbon Nanotubes as an Additive in Boundary Lubrication Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This current study emphasized the tribological performances of COOH-functionalized multiwalled carbon nanotubes (MWCNTs) dispersed in two different grades of polyalphaolefins (i.e., PAO 4 and PAO 6). The friction and wear ...
Synthesis, Characterization, and Tribological Studies of Calcium–Copper–Titanate Nanoparticles as a Biolubricant Additive
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the present study, tribological properties of castor oil have been investigated with and/or without use of additives by using four-ball tester. In the base castor oil, calcium–copper–titanate nanoparticles (CCTO) and ...
On the Sliding Wear Behavior of PAEK Composites in Vacuum Environment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the present study, the tribological behavior of polyaryletherketones (PAEKs) and their composites was investigated in air and vacuum environment. Polymer matrices were filled with either glass or carbon fibers and ...
Development of Tribological Test Equipment and Measurement of Galling Resistance of Various Grades of Stainless Steel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A mechanized galling tester has been developed to evaluate the galling resistance of material pairs at room temperature (RT) as well as at elevated temperature condition. The test rig has a facility for online measurement ...
The Effect of Spherical Hybrid Silica–Molybdenum Disulfide on the Lubricating Characteristics of Castor Oil
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This investigation demonstrates the effect of a structural hybrid of spherical silica and lamellar molybdenum disulfide (MoS2) combined to form a sphere used as an antifriction and antiwear additive in vegetable oil in ...
Study of Tribological Properties of Multilayer Ti/TiN Coating Containing Stress Absorbing Layers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Titanium (Ti)/titanium nitride (TiN) ultrathin multilayer coating was deposited on 100Cr6 substrates to investigate the friction and wear behavior in the presence of paraffin oil as a lubricant. The coating architecture ...
Pristine and Alkylated MoS2 Nanosheets for Enhancement of Tribological Performance of Paraffin Grease Under Boundary Lubrication Regime
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: In the present study, lubricating grease was developed with paraffin oil and 12-lithium hydroxy stearate metal soap as a thickening agent. MoS2 nanosheets were synthesized by hydrothermal method and functionalized with ...
Comparative Study on Galling and Antiwear Behavior of Polyurethane Based Coatings Reinforced With Pristine and Alkylated MoS2 Nanosheets
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present investigation is focused on tribological studies of polyurethane (PU) based coatings doped with nano-MoS2, and MoS2 functionalized with octadecanethiol (i.e., MoS2-ODT) on steel substrate. The PU-based nanocomposite ...