Mechanical & Materials Engineering, Department of
Date of this Version
8-7-1990
Citation
United States Patent Buck et al. Patent Number: 4,947,117
Abstract
A method is disclosed for detecting the T1 phase in aluminum-lithium alloys through simultaneous measurement of conductivity and hardness. In employing eddy current to measure conductivity, when the eddy current decreases with aging of the alloy, while the hardness of the material continues to increase, the presence of the T1 phase may be detected.
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