Magnetic-behavior of amorphous fe40ni40b20 alloy treated isothermally below crystallization temperature

Mitra, A and Rao, Venkatesh and Mohanty, O N and Ghatak, S K (1994) Magnetic-behavior of amorphous fe40ni40b20 alloy treated isothermally below crystallization temperature. Materials Transactions JIM, 35 (2). pp. 108-111.

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Abstract

The amorphous Fe40Ni40B20-alloy shows excellent soft magnetic properties when heat-treated at 630 K for 10-15 min. The improved magnetic softness is attributed to the relaxation of internal stress. The relaxation behaviour obeys the so-called 'ln t' kinetics. Small crystalline particles do appear after longer duration isothermal treatment at 630 K which is much lower than the crystallization temperature. Formation of crystalline particles induces magnetocrystalline anisotropy in the system which in turn detoriorates the magnetic softness

Item Type: Article
Uncontrolled Keywords: Amorphous alloy; magnetic properties; magnetoelastic energy; internal stress; stress relaxation
Subjects: Materials Science
Divisions: Material Science and Technology
Depositing User: Users 5 not found.
Date Deposited: 14 Jun 2010 11:01
Last Modified: 25 Jan 2012 05:19
URI: http://eprints.nmlindia.org/id/eprint/991

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