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Strengthening Mechanisms In Steel

Report Number: AFML TR 65-406
Author(s): Cohen, Morris; Moss, S. C.; Hoffman, D. W.; MacDonald, B. A.; Langford, G.
Corporate Author: Massachusetts Institute of Technology
Laboratory: Air Force Materials Laboratory
Date of Publication: 1966-06
Pages: 153
Contract: AF 33(657)-8285
Project: 7351 - Metallic Materials
Task: 735105
AD Number: AD0488350

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.

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