2017
DOI: 10.1016/j.jeurceramsoc.2016.08.030
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Suspension high velocity oxy-fuel spraying of TiO 2 : A quantitative approach to phase composition

Abstract: A range of coatings from water suspension of anatase has been prepared by suspension high velocity oxy-fuel spraying with the aim to study effects of heat power of the flame on phase composition, microstructure and surface topography. Three most commonly used approaches of quantitative phase analysis have been scrutinized with respect to their applicability and as some of the coatings showed presence of preferred orientation it was argued that quantitative Rietveld refinement is the most accurate method for ph… Show more

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Cited by 24 publications
(9 citation statements)
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“…Nano-structured, alumina based ceramic coatings have benefits over their conventional counterparts including enhanced adhesive strength (~65-70 MPa) [9], resistance to crack growth [10,11], and excellent wear performance [12][13][14]. These coatings have been extensively studied in suspension feedstock studies using a modified HVOF thermal spray setup [6,9,[15][16][17]. Suspension HVOF (SHVOF) thermal spraying is a variant of HVOF thermal spraying that offers the capability to deposit coatings with fine microstructures from nano to submicron scale liquidised feedstock.…”
Section: Introductionmentioning
confidence: 99%
“…Nano-structured, alumina based ceramic coatings have benefits over their conventional counterparts including enhanced adhesive strength (~65-70 MPa) [9], resistance to crack growth [10,11], and excellent wear performance [12][13][14]. These coatings have been extensively studied in suspension feedstock studies using a modified HVOF thermal spray setup [6,9,[15][16][17]. Suspension HVOF (SHVOF) thermal spraying is a variant of HVOF thermal spraying that offers the capability to deposit coatings with fine microstructures from nano to submicron scale liquidised feedstock.…”
Section: Introductionmentioning
confidence: 99%
“…Lastly, SHVOF torches can reach very high gas velocities (>2000 m/s) 28 , and the substrates are typically cooled with compressed air jets, which all contribute to rapid cooling of the molten droplets. This results in a significantly high nucleation rate as well as a negligibly low growth rate of crystallites as inhibited by the short residence time due to rapid acceleration in the flame and rapid cooling upon impact, all of which contribute to the formation of nano-crystallized coatings with significant improvement in density, strength and durability 29 31 .…”
Section: Introductionmentioning
confidence: 99%
“…TGA and TGA-FTIR indicated that nano-TiO 2 can restrain thermal decomposition to improve ame-retardance and combine with phosphoric acid and polyphosphoric acid to provide synergistic ame-retardance. 125,126 Meanwhile, nano-TiO 2 also provides ultraviolet radiation resistance and visible light-shielding effects because of its light-inuencing characteristics. [127][128][129][130] Aras, from Turkey, prepared two-component HIFWPU with various contents of phosphorous compound and N3300 curing agent.…”
Section: Two-component Hifwpumentioning
confidence: 99%