Journal
MATERIALS LETTERS
Volume 189, Issue -, Pages 213-216Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2016.12.016
Keywords
Indentation and hardness; Surfaces; Cathodic cage plasma nitriding; Diffusion; X-ray techniques
Funding
- Higher Education Commission of Pakistan [20-2002]
- Pakistan Science Foundation [136]
- Jazan University [13-6- 3299]
- Center for Environmental Research Studies [CERS 4/ 2013]
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In this work, novel duplex plasma nitriding is carried out on AISI-304 steel at fixed temperature of 400 degrees C, using aluminum and austenite steel cages. The influence of (1-h) aluminum cage nitriding is investigated before (pre) and after (post) the (4-h) austenite steel cage nitriding. The treated samples are characterized using Vickers hardness tester, X-ray diffraction, scanning electron microscope and energy dispersive spectroscopy. The results show that the post aluminum cage nitriding achieves excellent film quality, the highest surface hardness with aluminum nitride as a leading phase. This study shows that by using cathodic cages of various materials, cathodic cage plasma nitriding (CCPN) system can be effectively used for quick duplex treatment in a single setup. (C) 2016 Elsevier B.V. All rights reserved.
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