Zhen-qi Zhu, Xu-dong Cheng, Wei-ping Ye, and Jie Min, Synthesis of NiCr2O4 spinel coatings with high emissivity by plasma spraying, Int. J. Miner. Metall. Mater., 19(2012), No. 3, pp. 266-270. https://doi.org/10.1007/s12613-012-0549-7
Cite this article as:
Zhen-qi Zhu, Xu-dong Cheng, Wei-ping Ye, and Jie Min, Synthesis of NiCr2O4 spinel coatings with high emissivity by plasma spraying, Int. J. Miner. Metall. Mater., 19(2012), No. 3, pp. 266-270. https://doi.org/10.1007/s12613-012-0549-7
Zhen-qi Zhu, Xu-dong Cheng, Wei-ping Ye, and Jie Min, Synthesis of NiCr2O4 spinel coatings with high emissivity by plasma spraying, Int. J. Miner. Metall. Mater., 19(2012), No. 3, pp. 266-270. https://doi.org/10.1007/s12613-012-0549-7
Citation:
Zhen-qi Zhu, Xu-dong Cheng, Wei-ping Ye, and Jie Min, Synthesis of NiCr2O4 spinel coatings with high emissivity by plasma spraying, Int. J. Miner. Metall. Mater., 19(2012), No. 3, pp. 266-270. https://doi.org/10.1007/s12613-012-0549-7
Air plasma spraying (APS) was used to produce high emissivity coatings with a NiCr2O4 spinel structure. The relationship between the emissivity and the crystal structure was investigated. X-ray diffraction (XRD) analyses show that NiCr2O4 spinel has been fabricated with the space group Fd3m. Scanning electron microscope (SEM) photographs show that the coating consists of a laminated structure with homogeneous grains and high porosity because of the unique feature of plasma spraying. The emissivity measurement and Fourier transformation infrared radiation (FT-IR) spectra show that NiCr2O4 has a high emissivity of about 0.91 because of its special spinel structure. APS is a suitable method to produce high emissivity coatings.
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