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- Title
Effect of matrix toughness and grain morphology on fracture of steels.
- Authors
Atapek, Ş.; Gümüş, S.; Polat, Ş.
- Abstract
The microstructure and fracture surfaces of steel X42 (type 09G2S) and of an experimental bainitic steel (0.23% C, 0.18% Mn, 0.04% Ni, 2.35% Co, 1.40% Cr, 0.50% Mo, 0.08% Nb, 0.08%V, 0.02% Ti) are studied after quenching and tempering. The influence of the toughness of the matrix on the fracture behavior of the steels is determined. It is shown that the fracture toughness changes depending on the tempering temperature, and the nucleation and propagation of cracks depends on the presence of secondary phases and on the morphology of the grain structure.
- Subjects
STEEL fracture; MICROSTRUCTURE; SURFACES (Technology); BAINITIC steel; STEEL quenching; TEMPERING; FRACTURE toughness
- Publication
Metal Science & Heat Treatment, 2013, Vol 54, Issue 11/12, p648
- ISSN
0026-0673
- Publication type
Article
- DOI
10.1007/s11041-013-9565-0