Document Type : Research

Authors

Abstract

Nanocrystals have an important role in improving the mechanical and magnetic properties of different alloys. One of the most popular methods to get nanocrystals is the production of amorphous alloys. With suitable thermal annealing, one can form nanostructure in the amorphous matrix. In this research, amorphous alloy with composition Fe68Co26Si1C5 is prepared by melt spinning method. Then the prepared specimen was annealed at 400˚C temperature for 30, 60, 90 and 120 minutes. The structure of specimens before and after annealing is studied by using Mossbauer Spectroscopy, XRD. SEM,VSM, Microhardness tester.The obtained results show that some nanocrystals are created in the specimen with annealing.The specimen annealed during 90 minutes showed better properties because with the appearance of α –FeCo nanocrystalline phases, it was harder and denser and its hardness reached its maximum value, that causes the correction and promotion of mechanical and magnetic properties.

Keywords

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