Magnetic-pulsed attraction of sheet billets with “direct passage of current”

Batygin, Yu. V.; Yeryomina, Olena; Shinderuk, Svitlana; Strelnikova, V. A.; Чаплыгин, Е. А.

doi:10.20998/2413-4295.2020.04.01

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…Нові можливі напрями розвитку магнітноімпульсної обробки тонкостінних металів з відповідним фізичним обґрунтуванням кожного з них були представлені авторами публікацій [6][7][8][9][10][11][12]. Приклад такого обладнання наведено на рис.…”

Section: фізична сутність процесів що протікаютьunclassified

“…Основний струмопровід індуктора електрично з'єднується з ділянкою металу, що підлягає деформуванню, так, що провідники з'єднуються паралельні, а струми, що протікають по них, односпрямовані. Відповідно до закону Ампера ці провідники відчуватимуть тяжіння [9][10][11][12][13].…”

Section: фізична сутність процесів що протікаютьunclassified

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Application and schemes of induction preliminary heating in magnetic-pulse treatment of metals

Gavrylova¹,

Чаплыгин²,

Shynderuk³

2021

Вісник НТУ "ХПІ"

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The features of the processes of magnetic-pulse processing of metals in traditional schemes of technological processes of modern industrial production are highlighted. The work is a brief description of the state, application, and also proposed induction pre-heating schemes in industrial magnetic-pulse processing of metals. A method for increasing the efficiency of performing specified production operations is considered. The use of preheating leads to a significant improvement in the quality of production operations while reducing energy consumption. New directions of magnetic-pulse processing of metals are noted, implying the transformation of the natural repulsive forces of the metal of the processed object into the forces of magnetic-pulse attraction with a decrease in the operating frequencies of the acting fields. A significant decrease in operating frequencies makes it possible not only to go from repulsion to attraction, but also to go from working with ferromagnetic metals to non-ferromagnetic ones. For example, it becomes possible to attract aluminum blanks. Examples of the use of induction heating of metal blanks in modern industry are given. Various devices used for these operations, offered on the modern market, by both domestic and foreign manufacturers, are considered. The physics of Lenz-Joule heat release is described, the result of which is the induction heating of conductors by Foucault currents in the external electromagnetic field of the instrument. Schemes are proposed for the practical implementation of preliminary induction heating during magnetic-pulse processing of metal blanks, allowing the use of both autonomous devices for exciting eddy currents and a stationary connection, for the same purpose, of an additional source of electricity. As a result of the work, the possibility of increasing the efficiency by increasing the plasticity of the metal when heating the workpiece, as well as possible limitations of the described technology associated with an increase in the active resistance of metals with an increase in the Lenz-Joule heat release is noted.

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Section: фізична сутність процесів що протікаютьunclassified

Application and schemes of induction preliminary heating in magnetic-pulse treatment of metals

Gavrylova¹,

Чаплыгин²,

Shynderuk³

2021

Вісник НТУ "ХПІ"

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Induction Heating during Magnetic Pulse Processing of Metals: Perspective Schemes and their Application

Batygin,

Chaplygin,

Shinderuk

et al. 2022

LEPE

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The paper, based on a review of modern literature, highlights the features of the processes of magnetic pulse processing of metals in traditional schemes of technological processes of modern industrial production. New directions of their development are noted, which provide for the transformation of the natural forces of repulsion of the metal of the processed object into the forces of magnetic-pulse attraction while reducing the operating frequencies of the existing fields. The physics of Lenz-Joule heat dissipation is described, the result of which is the induction heating of conductors by Foucault currents in an external electromagnetic field. Examples of the use of induction heating in modern industry are given. Schemes of practical realizationof preinduction heating are offered, which allow to use both autonomous devices for eddy current excitation and stationary connection for the same purpose of additional power source. The possibility of increasing efficiency by increasing the ductility of the metal when heated is noted, as well as its possible limitations associated with increasing the active resistance of metals during the growth of Lenz-Joule heat dissipation. It is offered to use the received results at a choice of design decisions for elements of new schemes of the equipment of magnetic pulse processing of metals.

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Magnetic-pulsed attraction of sheet billets with “direct passage of current”

Cited by 2 publications

References 2 publications

Application and schemes of induction preliminary heating in magnetic-pulse treatment of metals

Application and schemes of induction preliminary heating in magnetic-pulse treatment of metals

Induction Heating during Magnetic Pulse Processing of Metals: Perspective Schemes and their Application

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