NDLI: Viscous Phenomena in Magnetic and Thermal Properties of Fe-Ni-Based Glasses Induced by Cryo-Treatments

Content Provider	IEEE Xplore Digital Library
Author	Kovac, J. Vehovszky, B. Novak, L. Lovas, A.
Copyright Year	1965
Abstract	The influence of cryo-treatment is investigated according to some magnetic and thermal properties of Fe₄₀Ni₄₀Si₆B₁₄ glassy alloy. Saturation magnetization (M_S), amorphous Curie temperature (T_C ^am) heat capacity (C_p) and the width of crystallization exotherm peak were measured before and after the cryo-treatment. The treatment causes a very stable structural imprint in the investigated properties. Not all property changes are completely irreversible, however. The T_C ^am exhibits a very slow, viscous reconstruction during subsequent isothermal or cyclic heat treatments. The heat capacity of cryo-treated samples increases compared to the nontreated ones. Due to the low temperature treatment the kinetic of crystallization changes also, which is manifested in the shift of half width of crystallization peak. The magnitude of the LN treatment induced effects depends on the whole thermal history of the sample.
Sponsorship	IEEE Magnetics Society
Starting Page	353
Ending Page	356
Page Count	4
File Size	138798
File Format	PDF
ISSN	00189464
Volume Number	46
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic properties Glass Saturation magnetization Crystallization Amorphous magnetic materials Temperature Iron alloys Nickel alloys Silicon alloys Amorphous materials Fe-Ni glass Amorphous Curie temperature cryo-treatment
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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