Department of Physics;
Faculty of Engineering;
Fayoum University;
Fayoum;
Egypt;
Department of Physics;
Faculty of Science;
Ain Shams University;
Cairo;
Egypt;
Department of Steel and Ferroalloys;
CMRDI;
Helwan;
Egypt;
Maraging; Steel; Cobalt-Free; Mass; Attenuation; Coefficients; Effective; Electron; Density; Fast; Neutron; Removal; Cross-Section;