K.Khalaf, M., T. Chiad, B., Zubaydi, , L. Al, T., T. Alani, Z. (2011). Surface Modification of Ti-6Al-4V Alloy by Glow Discharge-Plasma Nitriding. Alustath, 9(16), 34-40.
Mohammad K.Khalaf; Bahaa T. Chiad; Zubaydi; Thair L. Al; Zenab T. Alani. "Surface Modification of Ti-6Al-4V Alloy by Glow Discharge-Plasma Nitriding". Alustath, 9, 16, 2011, 34-40.
K.Khalaf, M., T. Chiad, B., Zubaydi, , L. Al, T., T. Alani, Z. (2011). 'Surface Modification of Ti-6Al-4V Alloy by Glow Discharge-Plasma Nitriding', Alustath, 9(16), pp. 34-40.
K.Khalaf, M., T. Chiad, B., Zubaydi, , L. Al, T., T. Alani, Z. Surface Modification of Ti-6Al-4V Alloy by Glow Discharge-Plasma Nitriding. Alustath, 2011; 9(16): 34-40.

Surface Modification of Ti-6Al-4V Alloy by Glow Discharge-Plasma Nitriding

Iraqi Journal of Physics
Article 1, Volume 9, Issue 16, December 2011, Pages 34-40
Authors
Mohammad K.Khalaf; Bahaa T. Chiad; ; Thair L. Al; Zenab T. Alani
Abstract
Titanium alloy (Ti-6Al-4V) samples were nitrided in low pressure (1.3, 3 mbar) dc-glow discharge plasmas of nitrogen. The treating time was 5, 10 and 15 hour and the temperatures range of the samples during the nitriding process was close to 800oC. The obtained microstructures of the nitride layers were studied by x-ray diffraction and optical microscopy. The ε –Ti2N, ζ-Ti3N3-x and η-Ti3N2-x.phases were formed and addition to the solid solution of nitrogen in titanium, α (Ti,N). Micro hardness measurements exhibit an increment for the Ti-alloy specimens which nitrided at 800oC for 10 and 15h.Corrosion measurements were obtained for the Ti-6Al-4V alloy in Ringer solution after plasma nitriding. The clear improving in the corrosion resistance was observed rather than for untreated specimens.
Keywords
Plasma nitiding; glow discharge; Titanium
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