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C Perinetticasoni - One of the best experts on this subject based on the ideXlab platform.
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the zrc c eutectic structure and melting Behaviour a high Temperature radiance spectroscopy study
2013Co-Authors: D Manara, Heather F Jackson, C Perinetticasoni, K Boboridis, M J Welland, L Luzzi, P M OssiAbstract:Abstract A fast spectro-pyrometer has been employed for radiance measurements of zirconium carbide samples laser-heated to very high Temperature, for compositions 0.7 ≤ C/Zr ≤ 2.61 and in a spectral range 0.550 μm ≤ λ ≤ 0.900 μm. The ZrC–C eutectic Temperature has been taken as the radiance reference. The measured normal spectral emissivity (NSE) ɛ λ of solid zirconium carbide is close to 0.6 at 0.650 μm, in agreement with previous literature. Its high-Temperature Behaviour, value in the liquid, carbon-content and wavelength dependences in the visible-near infrared range have been determined here for the first time. Liquid zirconium carbide seems to interact with electromagnetic radiation in a more metallic way than the solid. A considerable NSE increase has been observed at increasing carbon content, which can be interpreted on the basis of preferential growth along the “c” plane of the carbon lamellae in the eutectic structure.
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the zrc c eutectic structure and melting Behaviour a high Temperature radiance spectroscopy study
2013Co-Authors: D Manara, Heather F Jackson, C Perinetticasoni, K Boboridis, M J Welland, L Luzzi, P M Ossi, W E LeeAbstract:Abstract A fast spectro-pyrometer has been employed for radiance measurements of zirconium carbide samples laser-heated to very high Temperature, for compositions 0.7 ≤ C/Zr ≤ 2.61 and in a spectral range 0.550 μm ≤ λ ≤ 0.900 μm. The ZrC–C eutectic Temperature has been taken as the radiance reference. The measured normal spectral emissivity (NSE) ɛ λ of solid zirconium carbide is close to 0.6 at 0.650 μm, in agreement with previous literature. Its high-Temperature Behaviour, value in the liquid, carbon-content and wavelength dependences in the visible-near infrared range have been determined here for the first time. Liquid zirconium carbide seems to interact with electromagnetic radiation in a more metallic way than the solid. A considerable NSE increase has been observed at increasing carbon content, which can be interpreted on the basis of preferential growth along the “c” plane of the carbon lamellae in the eutectic structure.
P M Ossi - One of the best experts on this subject based on the ideXlab platform.
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the zrc c eutectic structure and melting Behaviour a high Temperature radiance spectroscopy study
2013Co-Authors: D Manara, Heather F Jackson, C Perinetticasoni, K Boboridis, M J Welland, L Luzzi, P M OssiAbstract:Abstract A fast spectro-pyrometer has been employed for radiance measurements of zirconium carbide samples laser-heated to very high Temperature, for compositions 0.7 ≤ C/Zr ≤ 2.61 and in a spectral range 0.550 μm ≤ λ ≤ 0.900 μm. The ZrC–C eutectic Temperature has been taken as the radiance reference. The measured normal spectral emissivity (NSE) ɛ λ of solid zirconium carbide is close to 0.6 at 0.650 μm, in agreement with previous literature. Its high-Temperature Behaviour, value in the liquid, carbon-content and wavelength dependences in the visible-near infrared range have been determined here for the first time. Liquid zirconium carbide seems to interact with electromagnetic radiation in a more metallic way than the solid. A considerable NSE increase has been observed at increasing carbon content, which can be interpreted on the basis of preferential growth along the “c” plane of the carbon lamellae in the eutectic structure.
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the zrc c eutectic structure and melting Behaviour a high Temperature radiance spectroscopy study
2013Co-Authors: D Manara, Heather F Jackson, C Perinetticasoni, K Boboridis, M J Welland, L Luzzi, P M Ossi, W E LeeAbstract:Abstract A fast spectro-pyrometer has been employed for radiance measurements of zirconium carbide samples laser-heated to very high Temperature, for compositions 0.7 ≤ C/Zr ≤ 2.61 and in a spectral range 0.550 μm ≤ λ ≤ 0.900 μm. The ZrC–C eutectic Temperature has been taken as the radiance reference. The measured normal spectral emissivity (NSE) ɛ λ of solid zirconium carbide is close to 0.6 at 0.650 μm, in agreement with previous literature. Its high-Temperature Behaviour, value in the liquid, carbon-content and wavelength dependences in the visible-near infrared range have been determined here for the first time. Liquid zirconium carbide seems to interact with electromagnetic radiation in a more metallic way than the solid. A considerable NSE increase has been observed at increasing carbon content, which can be interpreted on the basis of preferential growth along the “c” plane of the carbon lamellae in the eutectic structure.
D Manara - One of the best experts on this subject based on the ideXlab platform.
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the zrc c eutectic structure and melting Behaviour a high Temperature radiance spectroscopy study
2013Co-Authors: D Manara, Heather F Jackson, C Perinetticasoni, K Boboridis, M J Welland, L Luzzi, P M OssiAbstract:Abstract A fast spectro-pyrometer has been employed for radiance measurements of zirconium carbide samples laser-heated to very high Temperature, for compositions 0.7 ≤ C/Zr ≤ 2.61 and in a spectral range 0.550 μm ≤ λ ≤ 0.900 μm. The ZrC–C eutectic Temperature has been taken as the radiance reference. The measured normal spectral emissivity (NSE) ɛ λ of solid zirconium carbide is close to 0.6 at 0.650 μm, in agreement with previous literature. Its high-Temperature Behaviour, value in the liquid, carbon-content and wavelength dependences in the visible-near infrared range have been determined here for the first time. Liquid zirconium carbide seems to interact with electromagnetic radiation in a more metallic way than the solid. A considerable NSE increase has been observed at increasing carbon content, which can be interpreted on the basis of preferential growth along the “c” plane of the carbon lamellae in the eutectic structure.
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the zrc c eutectic structure and melting Behaviour a high Temperature radiance spectroscopy study
2013Co-Authors: D Manara, Heather F Jackson, C Perinetticasoni, K Boboridis, M J Welland, L Luzzi, P M Ossi, W E LeeAbstract:Abstract A fast spectro-pyrometer has been employed for radiance measurements of zirconium carbide samples laser-heated to very high Temperature, for compositions 0.7 ≤ C/Zr ≤ 2.61 and in a spectral range 0.550 μm ≤ λ ≤ 0.900 μm. The ZrC–C eutectic Temperature has been taken as the radiance reference. The measured normal spectral emissivity (NSE) ɛ λ of solid zirconium carbide is close to 0.6 at 0.650 μm, in agreement with previous literature. Its high-Temperature Behaviour, value in the liquid, carbon-content and wavelength dependences in the visible-near infrared range have been determined here for the first time. Liquid zirconium carbide seems to interact with electromagnetic radiation in a more metallic way than the solid. A considerable NSE increase has been observed at increasing carbon content, which can be interpreted on the basis of preferential growth along the “c” plane of the carbon lamellae in the eutectic structure.
E S Moreira - One of the best experts on this subject based on the ideXlab platform.
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hot scalar radiation around a cosmic string setting bounds on the coupling parameter ξ
2017Co-Authors: E S MoreiraAbstract:In this work, by investigating the low Temperature Behaviour of a scalar field around a cosmic string, and assuming stable thermodynamic equilibrium, it is shown that the coupling parameter of the field with curvature must be restricted to a certain range of values whose bounds are determined by the deficit angle of the associated conical geometry.
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hot scalar radiation around a cosmic string setting bounds on the coupling parameter xi
2016Co-Authors: E S MoreiraAbstract:In this work, by investigating the low Temperature Behaviour of a scalar field around a cosmic string, and assuming stable thermodynamic equilibrium, it is shown that the coupling parameter of the field with curvature must be restricted to a certain range of values whose bounds are determined by the deficit angle of the associated conical geometry.
W E Lee - One of the best experts on this subject based on the ideXlab platform.
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the zrc c eutectic structure and melting Behaviour a high Temperature radiance spectroscopy study
2013Co-Authors: D Manara, Heather F Jackson, C Perinetticasoni, K Boboridis, M J Welland, L Luzzi, P M Ossi, W E LeeAbstract:Abstract A fast spectro-pyrometer has been employed for radiance measurements of zirconium carbide samples laser-heated to very high Temperature, for compositions 0.7 ≤ C/Zr ≤ 2.61 and in a spectral range 0.550 μm ≤ λ ≤ 0.900 μm. The ZrC–C eutectic Temperature has been taken as the radiance reference. The measured normal spectral emissivity (NSE) ɛ λ of solid zirconium carbide is close to 0.6 at 0.650 μm, in agreement with previous literature. Its high-Temperature Behaviour, value in the liquid, carbon-content and wavelength dependences in the visible-near infrared range have been determined here for the first time. Liquid zirconium carbide seems to interact with electromagnetic radiation in a more metallic way than the solid. A considerable NSE increase has been observed at increasing carbon content, which can be interpreted on the basis of preferential growth along the “c” plane of the carbon lamellae in the eutectic structure.
