References:
1- M. Karakan, A. Alsaran and A. Celik,"Effects of Various Gas Mixtures on Plasma
Nitriding Behavior of AISI 5140 Steel",Material characteristics, Vol. 49, pp. 241-6,
2003.
2 - B. Y. Jeong and M. H. Kim, "Effects of theProcess Parameters on the Layer Formation
Behavior of Plasma Nitrided Steel", Surfaceand Coatings Technology, Vol. 141, pp. 182-
6, 2001.
3- Goo-Hwan Jeong, Min-Sun Hwang, YongJeong, Myun-Hokim and Chong Lee, "Effectof the Duty Factor on the SurfaceCharacteristics of the Plasma Nitride andDiamond-Like Carbon Coated High-Speed
Steel", Surface and Coatings Technology, Vol.124, pp. 222-227, 2000.
4- G. Nayal, DB. Lewis, M. Lembke and E.Cockremje, "Influence of Sample Geometry on
the Effect of Pulse Plasma Nitriding of M2Steel", Surface and Coatings Technology, Vol.
57, pp. 147, 1999.
5- CZ. Li and T. Bell, "Principals Mechanismsand Applications of Active Screen Plasma
Nitriding", Heat Treatment of Metal, Vol. 30,pp. 1-7, 2003.
6 - J. Gorges, "TC Plasma Nitriding", PlasmaMetal, proceeding of 12th IFHTSE Congress,
Melbourne, Australia, International Federationof Heat Treating and Surface Engineering, Vol.
3, pp. 225-229, 2000.
7- Z. Soltani Asadi and F. Mahboubi, "Effectof Component Geometry on the Plasma
Nitriding Behavior of AISI 4340", Materialsand Design, pp. 1-6, 2011.
8- SH. Ahangarani and F. Mahboubi,AR.Sabour, "Effect of Various Nitriding
Parameters on Active Screen Plasma NitridingBehavior of a Low-Alloy Steel", Vacuum, Vol.
1032, pp. 1-7, 2006.
9- Bong-Yong Jeong and Myung-Ho kim,"Effect of Pulse Frequency and Temperature
on the Nitride Layer and SurfaceCharacteristics of Plasma Nitrided Stainless
Steel", Surface and Coatings Technology, Vol.137, pp. 249-254, 2001.
10- C. Zaho, CX. Li, H. Dong and T. Bell,"Study on the Active Screen Plasma Nitriding
and it is Nitriding Mechanism", Surface andCoatings Technology, Vol. 201, pp. 15-20,
2006.11- SH. Ahangarani, AR. Sabour and F.mahboubi, "Surface Modification of30 Cr Ni
Mo8 Low-Alloy Steel by Active Screen Stepand Conventional Plasma Nitriding Metods",
Surface and Coatings Technology, Vol. 254,pp. 27-35, 2007.
12- A. Nishimoto, K. Nagatsuka, R.Narita, H. Nii and K. Akamatsu, "Effect
of the Distance between Screen andSample on Active Acreen Plasma
Nitriding Properties", Surface andCoatings Technology, Vol. 205, pp. 365-8, 2010.
13- F. Mahboubi, M. Samandi, D. Dunne,A. Bloyce and T. Bell, "Plasma Nitriding
of Microalloyed Steel", Surface andCoatings Technology, Vol. 71, pp. 135-
41, 1995.