Ghelloudj, E. ., Hannachi, M. T. and Djebaili, H. (2018) “EFFECT OF TIME ON THE COMPOUND LAYER FORMED DURING SALT BATH NITRIDING OF AISI 4140 STEEL”, Acta Metallurgica Slovaca, 24(4), pp. 280–286. doi: 10.12776/ams.v24i4.1111.