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Metallurgical Transactions B

, Volume 14, Issue 4, pp 673–677 | Cite as

Diffusivity and solubility of oxygen in solid copper using potentiostatic and potentiometric techniques

  • M. L. Narula
  • V. B. Tare
  • W. L. Worrell
Physical Chemistry

Abstract

The diffusivity and solubility of oxygen in solid copper have been determined in the temperature range 700 to 1030 °C using potentiostatic and potentiometric techniques. The results are summarized by the following equations: Do Cu = 1.16-0.31 +0.42 × 10−2 exp(−67300 ± 3000/RT) cm2 per second; No s = 154 exp(−149600/RT)atom fraction of oxygen where R is in joules/degree/mole. The experimentally determined value of the pre-exponential factor in the diffusivity equation is found to be consistent with Zener’s model for an interstitial diffusion mechanism.

Keywords

Metallurgical Transaction Applied Voltage Internal Oxidation Copper Foil Steady State Current 
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Copyright information

© The Metallurgical of Society of AIME 1983

Authors and Affiliations

  • M. L. Narula
    • 1
  • V. B. Tare
    • 2
  • W. L. Worrell
    • 3
  1. 1.Research and Development Steel Authority of IndiaRanchiIndia
  2. 2.Center for Solid State ScienceArizona State UniversityTempe
  3. 3.Department of Materials Science and EngineeringUniversity of PennsylvaniaPhiladelphia

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