Fracture Dynamics of Wedge-Loaded Double Cantilever Beam Specimen

AS Kobayashi; S Mall; MH Lee

doi:10.1520/STP28650S

SYMPOSIA PAPER Published: 01 January 1976

STP28650S

Fracture Dynamics of Wedge-Loaded Double Cantilever Beam Specimen

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Dynamic photoelasticity was used to analyze the Battelle-type wedge-loaded double cantilever beam (DCB) specimen machined from Homalite-100 sheets of 3/8-in. (9.5 mm) thickness. Dynamic stress intensity factors, dynamic energy release rate, crack velocities of straight and curved cracks were determined. Corresponding static stress intensity factors were calculated by the method of finite element analysis. These results were compared against Kanninen's analytical results and experimental results by Hahn et al using steel specimen. While dynamic photoelasticity results show qualitative agreement with Kanninen's results, the two differ in detail.

Author Information

Kobayashi, AS

University of Washington, Seattle, Wash.

Mall, S

University of Washington, Seattle, Wash.

Lee, MH

University of Washington, Seattle, Wash.

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Details

Developed by Committee: E08

Pages: 274–290

DOI: 10.1520/STP28650S

ISBN-EB: 978-0-8031-4676-1

ISBN-13: 978-0-8031-0318-4

Fracture Dynamics of Wedge-Loaded Double Cantilever Beam Specimen

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