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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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
|Uncontrolled Keywords:||Amorphous alloy; magnetic properties; magnetoelastic energy; internal stress; stress relaxation|
|Divisions:||Material Science and Technology|
|Deposited By:||Sahu A K|
|Deposited On:||14 Jun 2010 16:31|
|Last Modified:||25 Jan 2012 10:49|
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