Article ID Journal Published Year Pages File Type
235351 Powder Technology 2015 7 Pages PDF
Abstract

•Fractal process of TiH2 milling was investigated in all length scales.•Relationship between fractal process and particle size distribution was observed.•Multiple-valued fractal dimensions during milling process were mentioned.•Low changes of mass fractions of middle particle size milling ranges were analyzed.

The titanium powder metallurgy with TiH2 powders is a hot topic at present, and it is essential to control the size and distribution of the TiH2 powders during mechanical milling. The fractal behavior of the TiH2-milling is investigated in this paper based on the fractal fragmentation of rock mechanics, characterized by SEM, particle size analysis and calculation. The TiH2-milling system shows multiple-valued fractal dimensions during the different length scales. The particle size distribution of the milled TiH2 powders is limited strictly by the fractal process during short time milling and the weight percentage of a selected particle size range keeps an extremely low rate of change. The results show that the fractal process is useful to explain or estimate the phenomena of the particle size distribution during milling.

Graphical abstractDescription for the graphical abstractExperiments based on particle size analysis show that TiH2 obeys fractal process during milling, meaning the behavior of the formation of the final particle size distribution is strongly limited by the fractal process. The fractal process is useful to explain or estimate the phenomena of particle size distribution during milling.Figure optionsDownload full-size imageDownload as PowerPoint slide

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Physical Sciences and Engineering Chemical Engineering Chemical Engineering (General)
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