The mixture of the Ni, Fe and Mo elemental powders with the nominal composition of the Supermalloy was milled in a planetary mill under Ar atmosphere. Several milling times have been used ranging from 4 to 16 h. A heat treatment of 30 min, 1, 2 and 4 h at temperature of 350C has been performed in vacuum in order to improve the alloying process and remove the internal stresses. The formation of the Fe-Ni-Mo alloys by mechanical alloying was evidenced

The progressive synthesis of the nanocrystalline Ni3Fe intermetallic compound by mechanical alloying of iron and nickel powders and annealing is discussed. The samples, milled under argon atmosphere for 1-24 h, were annealed for 30 min at 300 C and for 1, 2, 3, 8 and 12 h at 330 8C. The formation of the Ni3Fe intermetallic compound was observed by X-ray diffraction and magnetic measurements. Magnetic measurements were performed in a magnetic field

Nanocrystalline Ni3Fe intermetallic compound has been obtained by milling of iron and nickel powders under argon atmosphere. Several milling times have been used ranging from 1 h up to 52 h. The formation of the Ni3Fe intermetallic compound by mechanical alloying was evidenced by X-ray diffraction and 57Fe Mo¨ssbauer spectroscopy. A heat treatment of 1 h at 330 C relaxes the first and second order internal stresses and favours the solid-state reaction.