High-temperature nitridation and oxidation of Ti-based alloys
High-temperature nitridation in nitrogen followed by oxidation in air of Ti-(0.5-20.0)wt.%V and Ti-36.0wt.%Al were studied at 1100-1300 K. The oxidation rate of Ti-(0.5-20.0)wt.%V over 5 h continuously increased with the concentration of vanadium up to 10.0 wt.% V. Above this level, the oxidation ra...
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| Main Authors: | , , |
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| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2014
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| Online Access: | http://www.scopus.com/inward/record.url?eid=2-s2.0-0035419007&partnerID=40&md5=4874bb736355197183c2cb7ac8a1bb36 http://cmuir.cmu.ac.th/handle/6653943832/4767 |
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| Institution: | Chiang Mai University |
| Language: | English |
| Summary: | High-temperature nitridation in nitrogen followed by oxidation in air of Ti-(0.5-20.0)wt.%V and Ti-36.0wt.%Al were studied at 1100-1300 K. The oxidation rate of Ti-(0.5-20.0)wt.%V over 5 h continuously increased with the concentration of vanadium up to 10.0 wt.% V. Above this level, the oxidation rate tended to be constant when the experimental time was sufficient. However, the lowest oxidation rate was found in the case of Ti-36.0wt.%Al. Nitridation can effectively protect the alloys against oxidation. The alloys were characterized by x-ray diffraction and the results were in agreement with those characterized by a CHNS/O analyser. In addition, the characteristics of the alloys revealed by SEM micrographs were consistent with the oxidation rates in air. Copyright © 2001 John Wiley & Sons, Ltd. |
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