Abstract
Hydrogen absorption isotherms are measured in a shaker mill, which allows the mechanical activation of the material. A high pressure flexible hose is attached to a SPEX 8000 M shaker mill and the mill is connected to a gas controlling device, in order to monitor and control the applied hydrogen pressure. The influence of the milling during “in situ” hydrogenation of a Mn 3Ti 2V alloy and the controlled hydrogen absorption by Ca to its hydride CaH 2 is investigated. Pure CaH 2 as the final product after the mechanical activation is identified by X-ray diffraction. For the Ca we demonstrate the measurement of pressure–composition isotherms during milling.
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