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The effects of prolonged thermal exposure on the mechanical properties and fracture toughness of C458 aluminum–lithium alloy

Authors
Publisher
Elsevier Ltd
Publication Date
Volume
13
Issue
1
Identifiers
DOI: 10.1016/j.engfailanal.2004.10.008
Keywords
  • Thermal Exposure
  • C458 Aluminum–Lithium
  • Failure Assessment

Abstract

Abstract The effect of thermal exposure at 83, 135 and 177 °C up to 1000 h on the electrical resistivity, mechanical properties and fracture toughness of a peak aged Al–Li–Cu–Zr alloy, C458-T861 was studied. Good thermal stability in mechanical properties was observed up to 135 °C. The fracture toughness dropped both as a function of increasing temperature and times.

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