Influence of dispersion state of initial AlN powder on the hydrolysis process in air environment

International Conference and Youth Scientific School on "Materials and Technologies of New Generations in Modern Materials Science"

Ditts, A.A.^1 ; Revva, I.B.^1 ; Grishko, N.Y.^1 ; Tarnovskiy, R.V.^1

Department of Silicate and Nanomaterials Technology, Tomsk Polytechnic University, Tomsk

634050, Russia^1

关键词: Dispersion state;    Grain size distribution;    Hydrolysis process;    Induction periods;    Oxidation kinetics;    Powder dispersions;    Research results;    Thickness of the oxide layers;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/156/1/012040/pdf
DOI  :  10.1088/1757-899X/156/1/012040

来源: IOP

【 摘 要 】

The research results of the hydrolysis processes of aluminum nitride powders received by the SVS method in dependence on humidity of the storage environment, and grain size distribution are presented in this work. Oxidation kinetics was estimated by means of X- ray Diffraction (XRD) and scanning electron microscopy (SEM). The induction period of the hydrolysis process for various powders, its dependence on powder dispersion and thickness of the oxide layer on surface of particles have been defined.