A Modification of the COD Concept and Its Tentative Application to the Residual Strength of Center Cracked Panels

K-H Schwalbe

doi:10.1520/STP36988S

SYMPOSIA PAPER Published: 01 January 1980

STP36988S

A Modification of the COD Concept and Its Tentative Application to the Residual Strength of Center Cracked Panels

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Simple assumptions are used to derive analytical expressions for the crack-tip opening displacement of center cracked tension panel (CCT) specimens with finite width. The formulas obtained thereby are used to describe the fracture behavior of CCTs of aluminum alloys. The results of 83 tests show that the crack opening displacement (COD) concept yields reasonable assessment of the fracture behavior of thin sheet material. The advantages and limitations are discussed.

Author Information

Schwalbe, K-H

GKSS, Research Centre Geesthacht, Geesthacht, West Germany

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Details

Developed by Committee: E08

Pages: 500–512

DOI: 10.1520/STP36988S

ISBN-EB: 978-0-8031-4770-6

ISBN-13: 978-0-8031-0363-4

A Modification of the COD Concept and Its Tentative Application to the Residual Strength of Center Cracked Panels

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