1. Stephen M C, ed (ed.): in ‘ASM handbook’, Vol. 4, 1st edn, ‘Heat treatment’, 376–436; 1991, Materials Park, OH, ASM International.
2. Pye D: ‘Steel heat treatment handbook’, (ed. , Totten G E, Howes M A H, ed), 1st edn, 721–764; 1997, New York, CRC Press.
3. The effects of process variables on the hardness of nitrided 3% chromium steel
4. Pye D: ‘Practical nitriding and ferritic nitrocarburizing’, 1–22, 127–128; 2003, Materials Park, OH, ASM International.
5. Improvement in Wear and Fatigue Properties of Structural Metals through Liquid Nitriding