Orentational effect of graphene on the friction and wear behavior of Si3N4/TiC based composite ceramic tool materials

Microstructure and wear performance of alumina/graphene coating on textured Al2O3/TiC substrate composites

“…The incorporation of graphene nanoplatelets (GNPs) into ceramic matrix composites proved to increase the flexural strength and fracture toughness of these materials as they modify the interfacial contact between the different phases [19][20][21][22][23][24] . Due to its two-dimensional character, graphene also presents a great potential to improve the tribological behavior of carbon-based reinforced ceramics by decreasing the coefficient of friction (CoF) due to the formation of a thin GNP-rich lubricating tribofilm, formed by the exfoliation of graphene layers from GNPs embedded in the ceramic matrix [25][26][27][28][29][30][31] . ZengbinYin, et al (2018) [26] fabricated TiB2/TiC ceramic tool material with the addition of Ni and graphene nanoplatelets by spark plasma sintering.…”

“…Xuchao Wang, et al (2019) [29] investigated graphene reinforced Al2O3-based ceramic tool materials and found that graphene avoid excessive grain growth and the weak bonding interface between the ceramic and the graphene induce a pull-out mechanism improving the fracture toughness of the composite. Jingbao Zhang, et al [31] discussed the tribological performance between 45 hardened steel and Si3N4/TiC based composite ceramic tool materials containing 5 wt% graphene platelets. The improvement of the tribological performance could be attributed to the uniform distribution of the adhered tribofilm and the combined effect of graphene pull-out and the contact area between graphene and the friction surface.…”

Investigation on the Microstructure and Wear Behavior of Laser-Cladded High Aluminum and Chromium Fe-B-C Coating

“…Materials 2020, 13, x FOR PEER REVIEW 2 of 11 its brittleness has always been an obstacle to its wide application [14]. Hence, Fe-based coatings attract more and more attention due to their low cost and high performance [15].…”

“…However, the cost of Co-based and Ni-based alloys is very high [12,13]. Ceramic coatings have much better properties in comparison with metal coatings, but its 2 of 11 brittleness has always been an obstacle to its wide application [14]. Hence, Fe-based coatings attract more and more attention due to their low cost and high performance [15].…”

Tribological behavior of GNPs doped Al2O3 coating fabricated by SHVOF thermal spraying on cemented carbide

“…The graphene additive contributed to enhancing the tribological properties of Si 3 N 4 composite, because graphene adhered to the friction surface and formed a uniform friction film, leading to the changed contact area between friction surfaces. 5 F I G U R E 1 Schematic drawings, scanning electron microscopy (SEM), and X-ray diffraction (XRD) of the dried suspension powders for suspension high velocity oxy fuel (SHVOF)…”