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The Relationship of the Resistance Curve and Gc to Specimen Configuration
Published online by Cambridge University Press: 07 June 2016
Summary
Following a brief introduction, an examination is presented of the factors which define fracture toughness, resistance-curve relationships and the extent of stable crack extension in thin-sheet failure. Tests have been performed on three aluminium alloys to establish the variations in the shape of resistance curves, using both compliance-indicated and measured absolute values of crack length in compact tension specimens and centre crack sheets. The results show that both the toughness and the resistance curves of the two specimen types are different and that these differences cannot be explained wholly by consideration of crack tip plastic zone sizes.
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- Research Article
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- Copyright © Royal Aeronautical Society. 1977
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