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Pan Z.,South China University of Technology | Pan Z.,Guangdong KITO Ceramics Co. | Wang Y.,South China University of Technology | Huang H.,Guangdong KITO Ceramics Co. | And 3 more authors.
Ceramics International | Year: 2015

The ink-jet printing has been widely applied in the decoration of ceramic tiles in last ten years since its excited characteristics provide the possibility to produce the customized ceramic tiles with higher image definition at a lower cost in a shorter duration. The number of ink-jet printers in operation worldwide increased rapidly in recent years. Besides the printer, one of the critical factors for an effective printing is inks. This paper focuses on the ceramic ink and reviews recent development on the preparation of ceramic inks by various methods, such as sol-gel, reverse microemulsion, polyol, hydrothermal and mechanical grinding. Some aspects for future development are proposed based on the application of ceramic inks in industries. © 2015 Elsevier Ltd and Techna Group S.r.l.

Liang L.,South China University of Technology | Wang Y.,South China University of Technology | Pan Z.,South China University of Technology | Pan Z.,Guangdong KITO Ceramics Co.
Particuology | Year: 2015

The aggregation behavior of submicron-sized particles of praseodymium-doped zirconium silicate, a ceramic pigment, in aqueous suspension was predicted by a modified population balance model. In the model, the collision frequencies were selected to describe evolution of the particle size distribution of the suspension. The collision efficiency was estimated as a function of interaction potential between particles based on Derjaguin-Landau-Verwey-Overbeek theory. The population balance model was modified to predict the stable state of the aggregation by introducing the volume mean size of aggregate to stability ratio. In addition, aggregation of the particles in aqueous suspension in the presence of sodium dodecyl benzene sulfonate or potassium chloride was experimentally investigated. The predicted data (i.e., the final aggregate size, aggregation rate, and particle size distribution) were similar to the experimental results. © 2015 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences.

Pan Z.,South China University of Technology | Pan Z.,Key Laboratory of Specially Functional Materials under Ministry of Education | Pan Z.,Guangdong KITO Ceramics Co. | Nkurikiyimfura I.,South China University of Technology | And 6 more authors.
Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society | Year: 2014

This paper presents the thermal performance of a simulated direct absorbing solar collector (DASC) with the application of magnetic nanofluids as heat transfer media. Magnetic nanofluid was prepared with magnetite nanoparticles, which were synthesized via an ultrasound assisted coprecipitation method, in ethylene glycol as heat transfer media in the DASC. The heat transfer efficiency of DASC using magnetic nanofluid was greater than that using pure ethylene glycol. The higher efficiency could be obtained at a lower particle volume fraction. In addition, the efficiency could be increased when a magnetic field was applied nearby the inlet of DASC. It is indicated that the use of both magnetic field and magnetic nanofluids in DASC could contribute to the heat transfer efficiency of the system.

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