TY - JOUR N2 - The paper presents research on the capability of the residual magnetic field (RMF) measurement system to be applied to the railway inspection for the early non-destructive detection of defects. The metal magnetic memory (MMM) phenomena are analysed using normal component Hy of self-magnetic flux leakage (SMFL), and its tangential component Hx, as well as their respective gradients. The measurement apparatus is described together with possible factors that may affect the results of measurement. The Type A uncertainty estimation and repeatability tests were performed. The results demonstrate that the system may be successfully applied to detection of head check flaws. L1 - http://www.journals.pan.pl/Content/114021/PDF/08_MMS_4_INTERNET.pdf L2 - http://www.journals.pan.pl/Content/114021 PY - 2019 IS - No 4 EP - 696 DO - 10.24425/mms.2019.130568 KW - residual magnetic field KW - measurement KW - rail inspection KW - uncertainty KW - repeatability A1 - Rucki, Mirosław A1 - Gockiewicz, Anna A1 - Szumiata, Tadeusz PB - Polish Academy of Sciences Committee on Metrology and Scientific Instrumentation VL - vol. 26 DA - 2019.12.28 T1 - Evaluation of the residual magnetic field measurement system for early identification of railway defects SP - 687 UR - http://www.journals.pan.pl/dlibra/publication/edition/114021 T2 - Metrology and Measurement Systems ER -