Triple point crack growth in an age hard
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J.A Williams
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Article
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1967
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Elsevier Science
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The growth of triple point cracks has been studied at 200ยฐC and 3000-5000 psi in an aluminium-2Oq', zinc alloy heat treated t,o give a 4 p wide precipitate free zone at the grain boundaries. The cracks are shown to exhibit a stable growth stage before instabilit,y occurs and the appropriate effectiv