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Gas Nitriding and oxidation of Ti-6Al-4V alloy
- Authors
- Lee, Dong Bok; Abro, Waheed Ali; Lee, Kun Sang; Abro, Muhammad Ali; Pohrelyuk, Iryna; Yaskiv, Oleh
- Issue Date
- Sep-2018
- Publisher
- Trans Tech Publications Ltd
- Keywords
- Gas nitriding; Oxidation; Ti-6Al-4V alloy; Ti2N; Tin
- Citation
- Defect and Diffusion Forum, v.382 DDF, pp.155 - 159
- Indexed
- SCOPUS
- Journal Title
- Defect and Diffusion Forum
- Volume
- 382 DDF
- Start Page
- 155
- End Page
- 159
- ISSN
- 1012-0386
- Abstract
- The Ti-6Al-4V alloy was nitrided at 950 °C for 8 h by heating under atmospheric nitrogen in order to improve its surface hardness and oxidation resistance. Nitrogen diffused into the Ti6Al4V alloy, and formed ∼40 μm-thick coating consisting of TiN as the major phase and Ti2N as the minor one. Nitriding increased the surface microhardness through the strengthening effect of interstitial nitrogen and the formation of nitrides. Oxidation at 700 °C for 10 h formed a superficial TiO2 layer on the coating.
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Related Researcher
- Lee, Kun Sang
- COLLEGE OF ENGINEERING (DEPARTMENT OF EARTH RESOURCES AND ENVIRONMENTAL ENGINEERING)