1. Deep nitrided 32CrMoV13 steel for aerospace bearings applications;Girodin;NTN Techn. Rev.,2008
2. Thermochemical Surface Engineering of Steels, Improving Materials Performance;Mittemeijer,2015
3. Fundamentals of nitriding and nitrocarburizing;Mittemeijer,2013
4. Nitriding, Proc. Heat Treatment ‘73;Jack,1973
5. The nitriding behaviour of iron-chromium-carbon alloys;Van Wiggen;J. Mater. Sci.,1985