Investigation of sintering kinetics of NiO using photo acoustic spectroscopy | Zendy

Maria Vesikolić | Zendy; D. Luković | Zendy; S.M. Savić | Zendy; Vladimir Blagojević | Zendy; P.M. Nikolić | Zendy

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Investigation of sintering kinetics of NiO using photo acoustic spectroscopy

Author(s) -

Maria Vesikolić,

D. Luković,

S.M. Savić,

Vladimir Blagojević,

P.M. Nikolić

Publication year - 2004

Publication title -

science of sintering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.309

H-Index - 25

eISSN - 1820-7413

pISSN - 0350-820X

DOI - 10.2298/sos0403165n

Subject(s) - materials science , thermal diffusivity , sintering , non blocking i/o , nickel oxide , spectroscopy , kinetics , diffusion , oxide , nickel , phase (matter) , analytical chemistry (journal) , composite material , metallurgy , thermodynamics , chemistry , biochemistry , physics , organic chemistry , chromatography , quantum mechanics , catalysis

Sintering kinetics of NiO was investigated using photo acoustic spectroscopy This method was used to follow the change of phase and amplitude of the photo acoustic signal of nickel-oxide samples sintered at 1373 K for 15-240 min. as a function of modulation frequency of the laser beam. Fitting of experimental data enabled determination of photo acoustic properties including thermal diffusivity of sintered nickel-oxide. Analysis of the change of sample density during sintering showed that the sintering process of this material can be observed from the viewpoint of activated volume and the change of thermal diffusivity can be correlated with the change of density of this material

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