Abstract
Burst tests on internally pressurised cast nickel aluminium bronze tubes containing artificial defects indicate that the alloy has a toughness of 150 Mn/m3/2 at a thickness of 9.53 mm. Short axial through cracks only propagated after general yield at a very high effective toughness.
Résumé
Des essais de gonflement de tubes en bronze de Nickel, Aluminium moulé, soumis à une pression interne et comportant des défauts artificiels indiquent que l'alliage a une ténacité de 150 Mn/m3/2 à une épaisseur de 9,53 mm. Des fissures traversantes axiales et courtes ne se sont propagées qu'après plastification générale à une ténacité effective très élevée.
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Barnby, J.T., Culpan, E.A., Morris, A.E. et al. The fracture resistance of nickel aluminium bronze tubes. Int J Fract 13, 681–693 (1977). https://doi.org/10.1007/BF00017300
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DOI: https://doi.org/10.1007/BF00017300