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Alternative magnetic parameters for characterization of plastic tension

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    0349862 - FZÚ 2011 RIV GB eng J - Journal Article
    Stupakov, Oleksandr - Takagi, T. - Uchimoto, T.
    Alternative magnetic parameters for characterization of plastic tension.
    NDT & E International. Roč. 43, č. 8 (2010), 671-676. ISSN 0963-8695. E-ISSN 1879-1174
    R&D Projects: GA ČR GP102/09/P108
    Institutional research plan: CEZ:AV0Z10100520
    Keywords : ferritic steel * plastic deformation * residual stresses * magnetic methods * Barkhausen noise
    Subject RIV: BM - Solid Matter Physics ; Magnetism
    Impact factor: 1.446, year: 2010

    The applicability of magnetic techniques (hysteresis and Barkhausen noise) in the detection of plastic deformation was comprehensively studied. Structural low-carbon steel subjected to uniaxial plastic tension was accurately measured for a wide range of residual strains and at different magnetization angles with respect to the stress direction. In addition to classical magnetic parameters, new quantities with better sensitivity-stability ratios were introduced on the basis of two-phase remagnetization caused by compressive residual stress.
    Permanent Link: http://hdl.handle.net/11104/0189994

     
     
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