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Apparent Fracture Toughness of Low-carbon Steel CSN 411353 as Related to Stress Corrosion Cracks
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SYSNO ASEP 0361566 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Apparent Fracture Toughness of Low-carbon Steel CSN 411353 as Related to Stress Corrosion Cracks Author(s) Gajdoš, Lubomír (UTAM-F) RID, SAI
Šperl, Martin (UTAM-F) RID, SAI
Siegl, J. (CZ)Number of authors 3 Source Title Materials & Design. - : Elsevier - ISSN 0261-3069
Roč. 32, 8/9 (2011), s. 4348-4353Number of pages 6 s. Publication form on-line www - on-line www Language eng - English Country GB - United Kingdom Keywords corrosion ; fracture ; fractography Subject RIV JL - Materials Fatigue, Friction Mechanics R&D Projects GAP105/10/2052 GA ČR - Czech Science Foundation (CSF) GPP105/10/P555 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20710524 - UTAM-F (2005-2011) UT WOS 000292621000028 EID SCOPUS 79957791057 DOI 10.1016/j.matdes.2011.04.001 Annotation The occurrence of cracks in structural components indicates a certain threat to their reliable operation, because these cracks can grow during operation and reach critical sizes, leading to fracture. The fracture resistance of a structural component is given by the fracture toughness of the material, determined on standardized specimens with a precycled fatigue crack, and the constraint. The fracture toughness itself depends also on the environment. There is enough evidence that in the conditions of the environment assisted cracking the fracture toughness can be significantly reduced by hydrogen mechanism. Our research results have confirmed this and have demonstrated a considerable reduction in the stress corrosion fracture toughness as compared to that related to fatigue cracks. This should be taken into account when assessing the integrity of structural components with stress corrosion cracks. Workplace Institute of Theoretical and Applied Mechanics Contact Kulawiecová Kateřina, kulawiecova@itam.cas.cz, Tel.: 225 443 285 Year of Publishing 2012
Number of the records: 1