SU883823A1 - Method of measuring cylindrical magnetic film magnetostriction constant - Google Patents

Method of measuring cylindrical magnetic film magnetostriction constant Download PDF

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Publication number
SU883823A1
SU883823A1 SU802891882A SU2891882A SU883823A1 SU 883823 A1 SU883823 A1 SU 883823A1 SU 802891882 A SU802891882 A SU 802891882A SU 2891882 A SU2891882 A SU 2891882A SU 883823 A1 SU883823 A1 SU 883823A1
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SU
USSR - Soviet Union
Prior art keywords
cylindrical magnetic
magnetic film
magnetostriction constant
measuring cylindrical
measuring
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SU802891882A
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Russian (ru)
Inventor
Лев Яковлевич Айзенберг
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Предприятие П/Я В-2769
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Priority to SU802891882A priority Critical patent/SU883823A1/en
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Publication of SU883823A1 publication Critical patent/SU883823A1/en

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Description

(54) СПОСОБ ИЗМЕРЕНИЯ КОНСТАНТЫ МАГНИТОСТРИКЦИИ ЦИЛИНДРИЧЕСКИХ.МАГНИТНЫХ ПЛЕНОК(54) METHOD OF MEASUREMENT OF CONSTANT MAGNETOSTRICTION OF CYLINDRICAL MAGNETIC FILMS

II

изобретение относитс  к магнитным измерени м и может быть использовано дл  определени  магнитоупругих характеристик цилиндрических магнитнь х пленок.This invention relates to magnetic measurements and can be used to determine the magnetoelastic characteristics of cylindrical magnetic films.

Известен способ измерени  константы магнитострикдии с помощью провоЛОЧНЫ .Х тензометров, заключающийс  в наклеивании проволочного тензометра, перемагничивании образца вдоль его оси и измерении величины изменени  сопротивлени  тензометра в зависимости от деформации образца 11.A known method of measuring the constant of magnetostricia using wirewound strain gages consists in gluing a wire strain gauge, reversing the sample along its axis and measuring the magnitude of the change in resistance of the strain gauge depending on the deformation of the sample 11.

Недостаток его заключаетс  в сложности осуществлени  способа и в ограниченности его применени .Its disadvantage lies in the complexity of the implementation of the method and in its limited application.

Наиболее близким по технической сущности  вл етс  способ, примененный в устройстве контрол  магнито- стрикщш цилиндрических магнитных пленок. В данном устройстве измерение магнитострикции, заключаетс  в перемагничивании образца по оси трудного намагничивани  и преобразованииThe closest in technical essence is the method used in the control device of magnetostrictive cylindrical magnetic films. In this device, the measurement of magnetostriction consists in reversing the sample along an axis of difficult magnetization and converting

изменений магнитной проницаемости в электрический сигнал 2.changes in magnetic permeability in an electrical signal 2.

Недостатком этого способа  вл етс  то, что в устройстве измер етс  эффект Виллари и при измерении малых величин магнитострикции способ дает большую погрешность из-за двойного преобразовани  выходных сигналов .The disadvantage of this method is that the device measures the villary effect and, when measuring small values of magnetostriction, the method gives a large error due to double conversion of the output signals.

Цель изобретени  - повышение точности измерений.The purpose of the invention is to improve the measurement accuracy.

Claims (2)

1.Возорт Р. Ферромагнетизм, -Иностранна  литература. М., 1956, с. 500520 .1. Return R. Ferromagnetism, - Foreign literature. M., 1956, p. 500,520. 2.Авторское свидетельство СССР № 139953, кл. G 01 R 33/12, 1972.2. USSR author's certificate number 139953, cl. G 01 R 33/12, 1972. оabout Фиг. 2FIG. 2 Фиг.FIG.
SU802891882A 1980-03-13 1980-03-13 Method of measuring cylindrical magnetic film magnetostriction constant SU883823A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU802891882A SU883823A1 (en) 1980-03-13 1980-03-13 Method of measuring cylindrical magnetic film magnetostriction constant

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Application Number Priority Date Filing Date Title
SU802891882A SU883823A1 (en) 1980-03-13 1980-03-13 Method of measuring cylindrical magnetic film magnetostriction constant

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SU883823A1 true SU883823A1 (en) 1981-11-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2739161C1 (en) * 2020-04-07 2020-12-21 федеральное государственное бюджетное образовательное учреждение высшего образования "Новгородский государственный университет имени Ярослава Мудрого" Method of measuring magnetostriction of thin films

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2739161C1 (en) * 2020-04-07 2020-12-21 федеральное государственное бюджетное образовательное учреждение высшего образования "Новгородский государственный университет имени Ярослава Мудрого" Method of measuring magnetostriction of thin films

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