A bulk Al-Fe(Mo, Si, B) nanostructure alloy composed of a single phase was prepared by heating a material consisting of alternate layers of amorphous (Fe-0.99, Mo-0.01)(78)Si9B13 ribbons and pure aluminum sheets for 20 min under a pressure of 3 GPa at a temperature of 1053 K. Its mean grain size is about 22 nm and its crystal structure is orthorhombic. A formation mechanism of the bulk nanostructured alloy is suggested.
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