Deformation of magnetic active elastomers in magnetic field

Мұқаба

Дәйексөз келтіру

Толық мәтін

Ашық рұқсат Ашық рұқсат
Рұқсат жабық Рұқсат берілді
Рұқсат жабық Тек жазылушылар үшін

Аннотация

Magnetoactive (aka magnetorheological) elastomer is a composite material consisting of an elastic matrix and magnetic filling substance. A study has been given to the magnetic field-induced deformation of the material. Influenced by non-homogeneous fields, samples of the elastomer have been noticed to exhibit elongations by hundreds of percent. When magnetized, the material filled with magnetically hard particles may exhibit field-induced deformation occurring in a complicated way. In a magnetic field, it reversibly gains a degree of roughness resulting in improved hydrophobicity. In addition, the composite increases in rigidity by tens of percent. Such magnetoactive elastomer may be considered a prospective material to find application in robotics and field-controlled damping units.

Толық мәтін

Рұқсат жабық

Авторлар туралы

G. Stepanov

State Research Institute for Chemistry and Technology of Organoelement Compounds

Хат алмасуға жауапты Автор.
Email: gstepanov@mail.ru
Ресей, Moscow

P. Storozhenko

State Research Institute for Chemistry and Technology of Organoelement Compounds

Email: gstepanov@mail.ru
Ресей, Moscow

Әдебиет тізімі

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Әрекет
1. JATS XML
Жүктеу
2. Fig. 1. Dependence of the elongation of the sample in a non-uniform magnetic field on the magnitude of the magnetic field on the surface of the electromagnet: 1 - deformation parallel to the direction of structuring (direction A-A, b), 2 - deformation perpendicular to the direction of structuring (direction B-B, b)

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Метадеректер
3. Fig. 2. Multipolar magnetization of the MAE strip. Diagram of the magnetization of the MAE strip and photographs of the bending of the magnetized MAE in a magnetic field.

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Метадеректер
4. Fig. 3. Changes in surface structure under the influence of a magnetic field. Conditional magnification ×10. The scale of the two images is the same. Initial (a) and in a magnetic field of 100 mT (b). Photograph of a 3D profile of the MAE sample surface without a magnetic field (c) and in a magnetic field of 200 mT (d). Magnification ×500.

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Метадеректер
5. Fig. 4. Surface structure after polymerization of liquid MAE film in a magnetic field.

Жүктеу (372KB)
Метадеректер
6. Fig. 5. Dependence of voltage on the relative elongation of MAE without a field (1) and in a magnetic field of different strengths (curves 2–20 mT, 7–270 mT).

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Метадеректер

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