RU94041725A - Test-sample for magnetic-particle testing
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Test-sample for magnetic-particle testing
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Publication number
RU94041725A
RU94041725ARU94041725/28ARU94041725ARU94041725ARU 94041725 ARU94041725 ARU 94041725ARU 94041725/28 ARU94041725/28 ARU 94041725/28ARU 94041725 ARU94041725 ARU 94041725ARU 94041725 ARU94041725 ARU 94041725A
Государственное предприятие - Научно-технический центр "Эксперт"
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Priority to RU94041725ApriorityCriticalpatent/RU2092831C1/en
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Investigating Or Analyzing Materials By The Use Of Magnetic Means
(AREA)
Abstract
FIELD: nondestructive testing. SUBSTANCE: test-sample for magnetic- particle testing includes two or more groups (sections) of turns of ferromagnetic wire applied on to thin nonmagnetic plate. Fields between turns model fields of defects, directions of groups of turns relative to each other may be within limits from 0 to 90 deg. Planes of plate with turns are covered with plates of different thickness corresponding to levels of sensitivity of magnetic-particle method of testing. EFFECT: enhanced reliability, possibility to make it uniform while testing different parts. 2 cl, 2 dwg
Claims (1)
Изобретение относится к неразрушающему контролю и может быть использовано для магнитопорошкового контроля. Изобретение позволяет повысить надежность магнитопорошкового контроля, сделать его единообразным при проверке различных деталей. Поставленная цель достигается тем, что тест-образец содержит две или более группы (секции) витков ферромагнитного провода, намотанного на тонкую немагнитную пластину, поля между витками моделируют поля дефектов, направления групп витков по отношению друг к другу могут быть в пределах О - 90°. Плоскости пластины с витками закрыты пластинками различной толщины, соответствующими двум уровням чувствительности магнитопорошкового метода.The invention relates to non-destructive testing and can be used for magnetic particle testing. The invention improves the reliability of magnetic particle control, make it uniform when checking various parts. This goal is achieved in that the test sample contains two or more groups (sections) of turns of a ferromagnetic wire wound on a thin non-magnetic plate, the fields between the turns simulate the fields of defects, the directions of the groups of turns with respect to each other can be in the range of O - 90 ° . The plate planes with turns are covered with plates of various thicknesses corresponding to two sensitivity levels of the magnetic particle method.
RU94041725A1994-11-211994-11-21Test-specimen for magnetic-particle flaw detection
RU2092831C1
(en)
Method of producing a specimen with a subsurface effect imitation for nondestructive inspection with a substrate effect imitator for nondestructive inspection with probing field
Quality and informativeness of criteria for classifying discontinuities. Amount of information on the parameters of the defect[[Previously Titled: Quality and informativeness of signs of the continuity defect classification. Quantity of information about defect parameters.]]