“…The advantage of this process technology is that the powder can be produced in large quantities and the processing parameters can be easily controlled. Hence, it is a suitable method for commercial applications [6,7,8]. This latter, being a widely used solid state processing route, can easily fabricate nanocrystalline materials with good homogeneity from elemental powders, thus MA can be an ideal way to prepare Fe-Al alloys doped with different contents of Boron.…”
The magnetic and structural properties of nanostructured (Fe75Al25) 100-xBx alloy prepared by mechanical alloying H. Ibn. Gharsallah (a) , M.Azabou (a) , J. J. Suñol (b) , I. López (c) , N. Llorca-Isern (c) , M. Khitouni * (a) ,
“…The advantage of this process technology is that the powder can be produced in large quantities and the processing parameters can be easily controlled. Hence, it is a suitable method for commercial applications [6,7,8]. This latter, being a widely used solid state processing route, can easily fabricate nanocrystalline materials with good homogeneity from elemental powders, thus MA can be an ideal way to prepare Fe-Al alloys doped with different contents of Boron.…”
The magnetic and structural properties of nanostructured (Fe75Al25) 100-xBx alloy prepared by mechanical alloying H. Ibn. Gharsallah (a) , M.Azabou (a) , J. J. Suñol (b) , I. López (c) , N. Llorca-Isern (c) , M. Khitouni * (a) ,
“…Mechanical alloying (MA) is one of the most common techniques used to prepare these materials in its nanocrystalline state [3]. The mixed powders are mechanically milled to achieve nanocrystalline structure which is an effective route for the development of magnetic properties [4]. The FeAl alloy system can be selected in many studies for its rich spectrum of magnetic properties, varying from straightforward ferromagnetism (FM) in the iron-rich alloys to super-paramagnetic (SPM) behaviour [5].…”
In the present work, the effect of boron addition on microstructural and magnetic properties of (Fe75Al25)1-xBx (x=0, 0.3, 0.5 and 0.7 wt%) alloys prepared by mechanical alloying process, were investigated by X-ray diffractionand vibrating sample magnetometer and SQUID techniques. The microstructural parameters such as the crystallite size, the microstrainand the lattice parameters of the bcc-solid solution Fe(Al) were deduced from the Rietveld refinement of the X-ray diffraction patterns using the X-pert HighScore. It is found that boron additions delay the formation of the BCC-Fe(Al) solid solution by mechanical alloying. The coercivity (Hc) decreases with increasing the amount of boron added. The undoped sample showed a hard ferromagnetic behaviour (Hc~750 Oe) whereas the doped ones reached a softening ferromagnetic behaviour (Hc<100 Oe).
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