Accession Number:

AD0829702

Title:

DISLOCATION INTERACTIONS IN RELATION TO MECHANICAL PROPERTIES OF METALS AND ALLOYS.

Descriptive Note:

Final rept. 15 Feb 65-15 Feb 68,

Corporate Author:

OHIO STATE UNIV RESEARCH FOUNDATION COLUMBUS

Personal Author(s):

• Bryant, L. F.
• Marsh, L. L.
• Kennedy, E. M.
• Stowell, M. J.
• McLean, M.

Report Date:

1968-02-01

Pagination or Media Count:

76.0

Abstract:

The surface, grain boundary, and twin boundary energies of cobalt were determined from tests at 1354C in pure hydrogen, the values being 1970, 650 and 12.7 ergssq. cm, respectively. A value of 0.0000275 sq. cmsec was found for the surface diffusion coefficient under the same conditions. Author

Descriptors:

• *METALLOGRAPHY)
• (*COBALT
• SURFACE PROPERTIES
• GRAIN BOUNDARIES
• TWINNING(CRYSTALLOGRAPHY)
• DIFFUSION
• DISLOCATIONS
• INTERACTIONS
• MICROSTRUCTURE

Subject Categories:

• Properties of Metals and Alloys
• Crystallography

Distribution Statement:

APPROVED FOR PUBLIC RELEASE