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The reaction between tantalum and nitrogen at 800–1300°c

Authors
Journal
Journal of the Less Common Metals
0022-5088
Publisher
Elsevier
Publication Date
Volume
5
Issue
1
Identifiers
DOI: 10.1016/0022-5088(63)90040-7

Abstract

Abstract The reaction between tantalum and nitrogen at 800°–1300°C has been studied. The total reaction involves both dissolution of nitrogen in the tantalum metal and nitride formation. Nitrogen dissolution is the predominant part-process during initial stages of the reaction. Four different nitrides — TaN 0.05, Ta 2N, TaN 0.8–0.9, and TaN — are formed during the reaction. The relative amounts of these are dependent on experimental conditions. Below 1,000°C mainly Ta 2N is formed, while above this temperature TaN 0.8–0.9 and TaN are the main reaction products. TaN 0.05 are formed in trace amounts at the nitride/metal interface.

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