Nitrogen solubility in solid niobium

M. Alam, T. Debroy

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The solubility of nitrogen in solid niobium was measured in the temperature range 2473 to 2673 K using electromagnetic levitation technique. Nitrogen solution obeyed Sieverts' law. The standard heat and entropy of solution of nitrogen in niobium were found to be -1.99 × 105 kJ/kg-atom and -52.3 kJ/kg-atom K, respectively. The equilibrium nitrogen solubility in solid niobium could be expressed as: {Mathematical expression} where P N 2 is in pascals. The terminal solubility of nitrogen in niobium with respect to Nb2N was found to be: {Mathematical expression}

Original languageEnglish (US)
Pages (from-to)613-616
Number of pages4
JournalMetallurgical Transactions B
Volume19
Issue number3
DOIs
StatePublished - Jun 1 1988

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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