Alternative magnetic parameters for characterization of plastic tension

0349862 - FZÚ 2011 RIV GB eng J - Článek v odborném periodiku
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
Grant CEP: GA ČR GP102/09/P108
Výzkumný záměr: CEZ:AV0Z10100520
Klíčová slova: ferritic steel * plastic deformation * residual stresses * magnetic methods * Barkhausen noise
Kód oboru RIV: BM - Fyzika pevných látek a magnetismus
Impakt faktor: 1.446, rok: 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.
Trvalý link: http://hdl.handle.net/11104/0189994