Abstract
Creep and creep fracture properties are presented for two commercial aluminum alloys, 2124 and 2419, tested at stresses giving creep lives up to about 1000 hours at 373 to 463 K. The results are analyzed using the ϑ methodology, which quantifies the shape of individual creep curves and the variations in curve shape with changing stress and temperature. The ϑ relationships are shown to allow reasonable prediction of 100,000-hour stress rupture values, while also explaining the complex creep behavior patterns widely observed with precipitation-hardened alloys.
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Burt, H., Wilshire, B. Theoretical and practical implications of creep curve shape analyses for 2124 and 2419. Metall Mater Trans A 35, 1691–1701 (2004). https://doi.org/10.1007/s11661-004-0078-8
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DOI: https://doi.org/10.1007/s11661-004-0078-8