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View article: Elasticity, acoustic loss and γ′ dissolution in superalloys from resonant ultrasound spectroscopy
Elasticity, acoustic loss and γ′ dissolution in superalloys from resonant ultrasound spectroscopy Open
The high temperature acoustic loss and elastic moduli of the Ni-based superalloys RR1000, Waspaloy, and Allvac ® 718Plus™ were investigated using resonant ultrasound spectroscopy. An exponential increase in acoustic loss was seen in all al…