Abrasive wear characteristics of plasma sprayed nanostructured alumina/titania coatings

Atmospheric plasma spraying coatings from alumina–titania feedstock comprising bimodal particle size distributions

“…The reasons showed in the literature for explaining this behaviour are as follows: the toughening contribution of the partially molten nanostructured zones [18,23,24] (not seen in this work), a more homogeneous TiO 2 distribution inside the splats leading to higher splat bonding strength [5,16] and the role of different additives such as CeO 2 and ZrO 2 added to the composition [25]. In this mentioned research, the effect of agglomerate size and size distribution of the feedstock on the final coating microstructure has also been pointed out [18,26,27].…”

A Study of Parameters Affecting Wear Resistance of Alumina and Yttria Stabilized Zirconia Composite Coatings on Al-6061 Substrate

“…Earlier investigations [8][9][10][11][12] have also reported the wear of thermal sprayed coatings in dry sliding conditions. Wear behavior of plasma sprayed ZrO 2 + 8% Y 2 O 3 coatings, carried out on a reciprocating sliding tester at a temperature of 200 • C, is found to experience plastic deformation and material transfer [6].…”

The spray forming of nanostructured Aluminum Oxide

“…For example, plasma spraying has been investigated by several researchers to deposit nanostructured ceramic coatings such as WC, Cr 3 C 2 , Al 2 O 3 -TiO 2 , and ZrO 2 . [1][2][3][4][5][6] However, the use of plasma spraying to fabricate a bulk, freestanding nanostructured Al 2 O 3 component has rarely been reported in the literature. In this study, freestanding, net-shape nanostructured Al 2 O 3 structures were fabricated using plasma-spray forming.…”