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Research Article Open access CC BY 4.0

Oxygen and Hydrogen Reaction “In situ” with Magnesium and Tantalum in a Mechanical Milling System When a Solvent is Used

José Luis Iturbe-Garcia, Beatriz Eugenia López-Muñoz

Current Journal of Applied Science and Technology · pp. 1–9 · Published 21 Mar 2016

10.9734/BJAST/2016/23371

Abstract

The purpose of this paper is study the preparation “in situ” of magnesium–tantalum phases when reacted with oxygen and hydrogen during a mechanical milling process. Different phases were formed as function of the milling time. High energy ball milling was utilized to prepare hydrogenated compounds by controling the milling between 5 and 20 hours with a ball powder weight ratio of 10 and using methanol as the control agent. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) were used to characterize the compounds. The XRD results at 20 h of milling revealed that only hydrogenated species (Ta2H and TaH0.5) and Mg(OH)2  were present.

Tantalum hydrides high energy ball milling solvent dissociation XRD SEM

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