- Conference date: 27 July-1 August 2003
- Location: Green Bay, Wisconsin (USA)
Nonlinear acoustic parameter and eddy current methods have been utilized to characterize the heat treatment process of retrogression and re‐aging of aluminum 7075‐T6. The results of nonlinear acoustic parameter measurements show two distinct peaks at 30 minutes and 45 minutes of retrogression time. The phase of the through‐thickness eddy current signal shows a minimum at 42 minutes of retrogression time. Application of combined methods for identifying the optimized properties in the material is discussed.
- Nonlinear acoustics
- Heat treatments
- Materials properties
- Acoustical measurements
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