Crack resistance of low-carbon martensitic steel

Autor:	L. M. Kleiner, M. N. Georgiev, L. D. Pilikina, Yu. N. Simonov
Rok vydání:	1987
Předmět:	Materials science Mechanical Engineering Induction hardening Metallurgy Fracture mechanics macromolecular substances Plasticity Strain hardening exponent Condensed Matter Physics Fracture toughness Mechanics of Materials Hardening (metallurgy) General Materials Science Tempering Heat treating
Zdroj:	Soviet Materials Science. 23:182-186
ISSN:	1573-885X 0038-5565
DOI:	10.1007/bf00718142
Popis:	The authors assess the crack resistance of low-carbon martensitic 07Kh3GNM steel after different heat treatment and hardening cycles. The treatment included double air hardening from 910 degrees C for the purpose of obtaining a No. 7-8 grain size, air hardening from 1100 degrees C, and double hardening from 910 degrees C with repeated water quenching. Tensile and impact tests were conducted. The results show that the fracture toughness after the martensite transformation is maintained up to a tempering temperature of 550 degrees C and that a further increase in temperature leads to a 30 percent drop in strength with a corresponding increase in plasticity.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::42a8174e7082df05403e540311924eee https://doi.org/10.1007/bf00718142 Zobrazit plný text záznamu Full text from SpringerLink