26-11-2012 | Wen Ma, Dongxing Wang, Hongying Dong, Wenshan Lun, Weiyan He, Xuebin Zheng, Journal of Thermal Spray Technology, 2012

Y2O3 and Yb2O3 co-doped strontium zirconate with chemistry of Sr(Zr0.9Y0.05Yb0.05)O2.95 (SZYY) was synthesized and had a minor second phase of Yb2O3. The SZYY showed good phase stability not only from room temperature to 1400 °C but also at high temperature of 1450 °C for a long period, ...

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14-11-2012 | S. Armada, R. Schmid, S. Equey, I. Fagoaga, N. Espallargas, Journal of Thermal Spray Technology, 2012

Self-lubricated coatings have been a major topic of interest in thermal spray in the last decades. Self-lubricated coatings obtained by thermal spray are exclusively based on solid lubricants (PTFE, h-BN, graphite, MoS2, etc.) embedded in the matrix. Production of thermal spray coatings ...

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14-11-2012 | Bo Sun, Hirokata Fukanuma, Journal of Thermal Spray Technology, 2012

WC-Co coatings are primarily deposited using the high velocity oxy-fuel (HVOF) spray process. However, the decomposition and decarburization of carbides during spraying affects the wear performance and fracture toughness of the coatings. In this paper, a novel high pressure HVOF was developed ...

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14-11-2012 | O. Sharifahmadian, H. R. Salimijazi, M. H. Fathi, J. Mostaghimi, L. Pershin, Journal of Thermal Spray Technology, 2012

Antibacterial surfaces such as silver and copper coated areas reduce risk of bacterial growth considerably. In this study, wire arc spraying has been utilized to produce an antibacterial copper coating with ultrafine microstructure on stainless steel substrate. The chemical composition, ...

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13-11-2012 | Lin Zhu, Nannan Zhang, Baicheng Zhang, Rodolphe Bolot, Hanlin Liao, Christian Coddet, Journal of Thermal Spray Technology, 2012

With the purpose of elaborating high-quality FeAl coatings, a so-called very low pressure reactive plasma spray technique that combines very low pressure plasma spray and self-propagation high-temperature synthesis processes was used in the present study. A dense and homogeneous FeAl coating ...

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13-11-2012 | A. Limpichaipanit, C. Banjongprasert, P. Jaiban, S. Jiansirisomboon, Journal of Thermal Spray Technology, 2012

AlSi-based nanocomposite powders (where nanoparticles were TiO2, ZrO2, and Al2O3 and the amount of reinforcement was 2.5, 5, and 10 wt.%) were made by ball milling and then thermal sprayed using low velocity oxy-fuel technique. The AlSi-based nanocomposite powders had nanosized ceramic ...

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13-11-2012 | Radek Mušálek, Václav Pejchal, Monika Vilémová, Jiří Matějíček, Journal of Thermal Spray Technology, 2012

Adhesion/cohesion testing represents one of the most common methods for benchmarking and optimization of thermal spray coatings. However, owing to the inhomogeneous coating microstructure, such testing may be quite troublesome. In this study, adhesion/cohesion strength of representative ...

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13-11-2012 | Bo Song, Shujuan Dong, Pierre Coddet, Bernard Hansz, Thierry Grosdidier, Hanlin Liao, Christian Coddet, Journal of Thermal Spray Technology, 2012

The performance of atmospheric plasma sprayed FeAl coatings has been remarkably limited because of oxidation and phase transformation during the high-temperature process of preparation. In the present work, FeAl intermetallic coatings were prepared by atmospheric plasma spraying combined with ...

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13-11-2012 | Min Yu, Wenya Li, Xueping Guo, Hanlin Liao, Journal of Thermal Spray Technology, 2012

In a previous study, it has been experimentally demonstrated that surface oxide films of metallic particles have significant influence on the properties of cold-sprayed coatings. To clearly reveal the underlying mechanism, this study focused further on the effect of particle oxidation on the ...

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10-11-2012 | Thierry Poirier, Pierre Bertrand, Christian Coddet, Journal of Thermal Spray Technology, 2012

Coloured coatings were obtained on steel by plasma spraying without severe in-flight alteration of pigments, taking profit of the low thermal conductivity of the glassy matrix of glaze particles. Colour matching was studied by mixing 3 different glazes, comparing Grassmann and Kubelka-Munk ...

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