Abstract
The alloys of Fe–6Si–8B and Fe–6Si–8B–1Mn were prepared using high energy planetary ball mill. X-ray diffraction patterns of the milled samples confirmed the formation of the alloys by dissolution of Si in Fe after 30 and 24 h of milling for the Fe–6Si–8B and Fe–6Si–8B–1Mn samples respectively. The lattice parameter was found to increase continuously with milling time and the rise was steeper for the quaternary alloy. After 36 h of milling, the crystallite size for the two samples were reduced to 98 and 86 nm respectively. Mössbauer spectra suggested the formation of minor amount of α-Fe2O3. The value of saturation magnetization was 162 Am2/kg for Fe–6Si–8B alloy obtained after 18 h of milling. However, the value decreased with increased milling time as well as with Mn-addition. The remanance value showed similar tendency as that for saturation magnetization. In contrast, the coercivity value was found to be increasing with milling time and with Mn-addition.
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Prasad, N.K., Agrawal, K.M., Ranwa, J.R. et al. The effect of Mn on the structural and magnetic behaviour of Fe–6Si–8B alloy produced by high energy ball Milling. Trans Indian Inst Met 70, 1431–1436 (2017). https://doi.org/10.1007/s12666-016-0939-z
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DOI: https://doi.org/10.1007/s12666-016-0939-z