Structural-Phase Transitions in Cold-Resistant Low-Carbon Martensitic Steels Susceptible to Structural Heredity
| Autor: | S. K. Greben’kov, A. A. Shatsov, S. K. Berezin, L. V. Spivak |
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| Rok vydání: | 2018 |
| Předmět: |
010302 applied physics
Austenite Materials science Metallurgy Metals and Alloys chemistry.chemical_element 02 engineering and technology 01 natural sciences 020501 mining & metallurgy Carbide 0205 materials engineering chemistry Diffusionless transformation Martensite 0103 physical sciences Particle-size distribution Hardening (metallurgy) Deformation (engineering) Carbon |
| Zdroj: | Russian Metallurgy (Metally). 2018:432-444 |
| ISSN: | 1555-6255 0036-0295 |
| DOI: | 10.1134/s0036029518050038 |
| Popis: | An approach proposed to creating steels with a new combination of mechanical properties and a high impact toughness at low temperatures. This approach is based on the phenomenon of structural heredity and consists in the formation of a two-phase martensite–martensite structure and the designing of a carbide subsystem. A grain size distribution is found, and the possibility of two-stage formation of low-carbon austenite is shown. A martensitic transformation model, which takes into account the grain size distribution, is developed and experimentally tested. The models are tested on low-carbon Cr–Mn–Ni–Mo–V–Nb martensitic steels. |
| Databáze: | OpenAIRE |
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