The Fracture Toughness of Cast High-Strength Steels

Autor:	S. Floreen
Rok vydání:	1977
Předmět:	Fracture toughness Materials science Electrical resistance and conductance Mechanics of Materials Mechanical Engineering Metallurgy General Materials Science Fracture process Composite material Stress corrosion cracking Condensed Matter Physics Environmental stress fracture
Zdroj:	Journal of Engineering Materials and Technology. 99:70-75
ISSN:	1528-8889 0094-4289
Popis:	The mechanical properties of four cast high-strength steels, 4340, 15-5 PII stainless steel, and two maraging steels were examined. To provide a direct comparison with wrought steels split heats were prepared in which part of each heat was sand cast and the balance was forged and hot-rolled to plate. The KIc properties of the castings were comparable to the plate properties. Limited tests indicated that the cast steels also had reasonably good fatigue and stress corrosion cracking resistance. The castings showed surprisingly low Charpy values, which was attributed to notch acuity due to the more heterogeneous nature of the fractures in the cast structures. The overall results suggest that cast high-strength steels had satisfactory toughness and could be used in many applications.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::7404a791726e8d25d6a745dd59fdbd60 https://doi.org/10.1115/1.3443409 Zobrazit plný text záznamu