Accession Number:

AD0408091

Title:

THERMAL DIFFUSION OF VACANCIES IN ZINC

Descriptive Note:

Corporate Author:

MINNESOTA UNIV MINNEAPOLIS INST OF TECH

Personal Author(s):

Report Date:

1963-06-01

Pagination or Media Count:

62.0

Abstract:

An apparatus was constructed which yields nearly linear temperature gradient for pure metal samples. Thermal diffusion of vacancies in pure zinc has been studied by use of a surface marker motion technique. Results compiled to date indicate that marker movement does exist when a temperature gradient is applied to a pure zinc crystal. Preliminary calculations of the total energy term associated with the flux equation yield a value of approximately -8.8 k calmole. In the future it is planned to investigate more thoroughly the role of surface tension in causing shape changes and thermal diffusion will be studied by the use of inert markers embedded in the sample.

Subject Categories:

  • Inorganic Chemistry
  • Metallurgy and Metallography
  • Crystallography

Distribution Statement:

APPROVED FOR PUBLIC RELEASE