TY JOUR TI Demagnetization Experience in Shipbuilding. Application to Different Industries KW residual magnetization KW demagnetized state KW nondestructive testing KW welding KW industrial equipment quality JO NDT World AU Sorokina, N.. AU Zakomoldin, I.. AU Bogachyova, N.. AU Koptiaeva, D.. PY 2015 IS 18 PB LLC SVEN