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Characteristics of first order shock induced magnetic transitions in iron and discrimination from TRMReflected light microscopy provides information on first-order shock transitions in iron and iron-nickel and permits discrimination of microstructures due to shock transitions from those imparted by thermal transitions. In addition, thin-foil electron microscopy is used to characterize magnetic transitions in fine-particle iron. First-order magnetic phase changes, such as that from the antiferromagnetic face centered cubic state to the ferromagnetic body centered cubic state, are studied with the aim of calibrating the shock and thermal mechanisms of magnetization in iron with a particle size range between 250 and 1200 A. The efficiency of remanence due to shock transition is also estimated.
Document ID
19780039890
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Wasilewski, P.
(NASA Goddard Space Flight Center Laboratory for Extraterrestrial Physics, Greenbelt, Md., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1977
Subject Category
Geophysics
Accession Number
78A23799
Distribution Limits
Public
Copyright
Other

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