Measurement of dynamic elastic-plastic fracture toughness parameters using various methods

Hans-Werner Vierich, Klaus Popp, Rauno Rintamaa

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

Abstract

Two improved impact testing facilities are used for the dynamic fracture toughness evaluation of precracked Charpy V-notch specimens. The methods of single specimen acoustic emission and crack mouth opening displacement testing are assumed to indicate the initiation points of stable crack growth. Thus, the dynamic ductile initiation J integral JId can be derived. It was shown that the toughness JId of the heat-resistant steel 10CrMo9.10 cannot be approximated by the J value at the maximum of the load deflection curve.
Original languageEnglish
Pages (from-to)233 - 241
Number of pages9
JournalInternational Journal of Pressure Vessels and Piping
Volume55
Issue number2
DOIs
Publication statusPublished - 1993
MoE publication typeA1 Journal article-refereed

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