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標題: Influences of oxygen impurity contained in nitrogen on the reaction of titanium with nitrogen
作者: Lu, F.H.
Jiang, B.F.
Lo, J.L.
Chan, M.H.
關鍵字: atmosphere;gas
Project: Journal of Materials Research
期刊/報告no:: Journal of Materials Research, Volume 24, Issue 7, Page(s) 2400-2408.
In this work, Ti pellets were selected as a model system to investigate the influences of oxygen impurity in nitrogen gas on the reaction of a metal with the nitrogen. Analyzing changes in the in situ oxygen partial pressures when titanium specimens were annealed in the oxygen-containing nitrogen shows that the dissolution of oxygen in Ti and TiN(x) is exothermic, and the solubility decreases as the temperature increases. X-ray diffraction results show that nitridation of Ti occurred before oxidation, even in an oxygen-containing nitrogen atmosphere. Kinetics apparently predominates over thermodynamics at low temperatures in such a system.
ISSN: 0884-2914
DOI: 10.1557/jmr.2009.0288
Appears in Collections:材料科學與工程學系

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