Abstract
In this research, the effect of multiple remelting on microstructure and hydrogen storage properties of (TiZr)1(VFeCrMn)2.1 alloy was studied. The alloy was melted using a VIM furnace. This process was repeated three times. The microstructure was evaluated by SEM and XRD analysis, and the hydrogen storage properties were measured by Sieverts method. The results indicated that the microstructure contains predominant C14 Laves, BCC solid solution and titanium oxide phases. The homogenous microstructure and fine BCC phase distribution was obtained by remelting. The volume fraction of BCC phase was decreased from 26 to 18% during remelting. PCT curves revealed that increasing remelting times results in decreasing slope and hysteresis factors. The values of alloys slope factor for single, double and triple melting are 0.57, 0.26 and 0.21, respectively. Therefore, hydrogen storage properties of the alloy are improved as a result of homogenous microstructure and appropriate content of phases during the remelting process.
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Taghizadeh, M., Abbasi, S.M., Seifollahi, M. et al. The Effect of Remelting on Microstructure and Hydrogen Storage Properties of Ti–Mn–V Alloy. Trans Indian Inst Met 74, 811–816 (2021). https://doi.org/10.1007/s12666-020-02178-2
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DOI: https://doi.org/10.1007/s12666-020-02178-2