Vibrations in compact specimens during crack arrest testing

Klaus Rahka

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Measurements of loading arm behavior on compact tension type, transversely wedge-loaded crack arrest specimens have been made. A crack-opening measurement point close to the crack initiation site was selected in addition to face or load-line position. Conclusions concerning acceleration, vibration, and damping behavior of the specimen arms were reached and differences in the behavior of two alternative specimen types are indicated. The influence of fracture morphology on specimen behavior is reported in detail. Suggestions for further work to clarify crack run-arrest behavior of tentative test specimens are presented.

Original languageEnglish
Pages (from-to)318 - 323
Number of pages6
JournalJournal of Testing and Evaluation
Volume8
Issue number6
DOIs
Publication statusPublished - 1980
MoE publication typeNot Eligible

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Cracks
Testing
Crack initiation
Vibrations (mechanical)
Damping

Cite this

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title = "Vibrations in compact specimens during crack arrest testing",
abstract = "Measurements of loading arm behavior on compact tension type, transversely wedge-loaded crack arrest specimens have been made. A crack-opening measurement point close to the crack initiation site was selected in addition to face or load-line position. Conclusions concerning acceleration, vibration, and damping behavior of the specimen arms were reached and differences in the behavior of two alternative specimen types are indicated. The influence of fracture morphology on specimen behavior is reported in detail. Suggestions for further work to clarify crack run-arrest behavior of tentative test specimens are presented.",
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Vibrations in compact specimens during crack arrest testing. / Rahka, Klaus.

In: Journal of Testing and Evaluation, Vol. 8, No. 6, 1980, p. 318 - 323.

Research output: Contribution to journalArticleScientificpeer-review

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AB - Measurements of loading arm behavior on compact tension type, transversely wedge-loaded crack arrest specimens have been made. A crack-opening measurement point close to the crack initiation site was selected in addition to face or load-line position. Conclusions concerning acceleration, vibration, and damping behavior of the specimen arms were reached and differences in the behavior of two alternative specimen types are indicated. The influence of fracture morphology on specimen behavior is reported in detail. Suggestions for further work to clarify crack run-arrest behavior of tentative test specimens are presented.

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