Optimization of metallurgical variables in fracture prevention

Kari Törrönen*, Kim Wallin, Timo Saario, Hannu Hänninen, Rauno Rintamaa, Jarl Forstén

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

The effect of metallurgical variables on the two most important crack growth mechanisms - stable crack growth by environmentally assisted cyclic crack growth and unstable crack growth by cleavage - in light water reactor pressure vessel steels is evaluated. The analyses are based on micromechanisms of fracture and sensitivity analysis, when applicable. Metallurgical variables considered are non-metallic inclusions and carbides as well as other parameters through their effects on yield strength and other mechanical properties.

Original languageEnglish
Pages (from-to)225-237
Number of pages13
JournalNuclear Engineering and Design
Volume87
DOIs
Publication statusPublished - Jul 1985
MoE publication typeA1 Journal article-refereed

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