Abstract
The magnetostriction constant of three iron-nickel alloys and one Fe-Ni-Co alloy was measured as a function of the plastic elongation up to about 25%. The magnetostriction constant decreases with deformation in all materials. In Fe-Ni-Co alloy the volume magnetostriction also decreases. The influence of crystallographic texture is discussed and it is shown that it is not a decisive factor. The observed decrease is explained by assuming the influence of lattice deformation on spin-orbital interaction.
Abstract
ИжМЕРЕНА пОстОьННАь МАгНИтОстРИкцИИ тРЕ х жЕлЕжО-НИкЕлЕВых спл АВОВ И ОДНОгО сплАВА Fe-Ni-Co В жАВИсИМОст И От плАстИЧЕскОИ ДЕФ ОРМАцИИ пРИБлИжИтЕльНО ДО 25%. пОстОьННАь МАгНИтОс тРИкцИИ У ВсЕх МАтЕРИ АлОВ УМЕНьшАЕтсь с РОстОМ ДЕФОРМАцИИ. У сплАВА Fe-Ni-Co УМЕНьшАЕтс ь И ОБЩЕМНАь МАгНИтОс тРИкцИь. ОБсУжДАЕтсь ВлИьНИЕ кРИстАллОгР АФИЧЕскОИ тЕкстУРы И пОкАжАНО, ЧтО ОНА НЕ ьВльЕтсь РЕ шАУЩИМ ФАктОРОМ. НАБлУДАЕМО Е УМЕНьшЕНИЕ ОБЩьсНь Етсь В пРЕДпОлОжЕНИИ ВлИьН Иь ДЕФОРМАцИИ РЕшЕткИ НА спИНОРБИт АльНОЕ ВжАИМОДЕИстВ ИЕ.
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In conclusion the authors thank Z. Málek and S. Libovický for carefully reading this paper and for remarks, J. Míčová for help in the measurements, J. Cáslavský for X-ray determination of the texture and members of the chemical department of the Institute of Physics for thermal treatment and analysis of the samples.
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šuda, P., Pačes, J. The influence of plastic deformation on the magnetostriction constant of iron-nickel alloys. Czech J Phys 11, 602–608 (1961). https://doi.org/10.1007/BF01689157
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DOI: https://doi.org/10.1007/BF01689157