Accession Number : AD0488350

Title :   STRENGTHENING MECHANISMS IN STEEL.

Descriptive Note : Final rept. Feb 62-Feb 65,

Corporate Author : MASSACHUSETTS INST OF TECH CAMBRIDGE DEPT OF METALLURGY AND MATERIALS SCIENCE

Personal Author(s) : Cohen, Morris ; Moss, S. C. ; Hoffman, D. W. ; MacDonald, B. A. ; Langford, G.

Report Date : JUN 1966

Pagination or Media Count : 139

Abstract : This report represents the culmination of a three-year research program on five aspects of strengthening mechanisms in steel: (1) atomic displacements in martensite, (2) ausforming of iron-nickel-carbon martensites, (3) strain tempering of iron-carbon martensites, (4) strain hardening of body-centered cubic versus face-centered cubic metals at very high strains, and (5) modes of fracture in martensite. The underlying reason for these five investigations was to provide further basic understanding of the strengthening processes at play in virgin and tempered martensites, with and without thermomechanical treatments.

Descriptors :   *MARTENSITE), (*STEEL, (*AUSTENITE, MECHANICAL PROPERTIES), HOT WORKING, HARDENING, IRON ALLOYS, CARBON ALLOYS, NICKEL ALLOYS, TENSILE PROPERTIES, ELECTRICAL RESISTANCE, STRAIN(MECHANICS), HEAT TREATMENT, ELECTRON MICROSCOPY, FRACTURE(MECHANICS), MICROSTRUCTURE.

Subject Categories : Properties of Metals and Alloys

Distribution Statement : APPROVED FOR PUBLIC RELEASE