TY JOUR TI Structural Analysis of Ferromagnetic Products in the Mode of Permanent Magnet Applied Field KW magnetic field strength KW magnetic permeability KW the internal field of the magnet KW the magnetic resistance JO NDT World AU Lenkov , S.. AU Molin , S.. AU Zakharov , V.. AU Bezlyudko, G.Y. PY 2016 IS 19 PB LLC SVEN