Schematic of the NCATS experimental setup.
Displacement amplitude across the ultrasonic horn during vibration.
Displacement of the horn with increasing input power.
NCATS time–temperature signatures at different input powers to the horn. Distance between horn and sample: 300 μm. Duration of excitation: 250 ms. Sample: Ti-6Al-4V.
NCATS time–temperature signatures for increasing excitation time of the horn. Input power to the horn 1000 W. Distance between sample and horn: 200 μm. Sample: Ti-6Al-4V.
Change in maximum temperature in the sample for varying distances between sample and the horn. Horn power settings: 1000 W and 800 W. Duration of excitation: 250 ms. Sample: Ti-6Al-4V.
Maximum change in temperature with increasing plastic strain in Ti-6Al-4V.
Composite strain-strain curve for Ti-6Al-4V sample.
Maximum temperature in NCATS measurements on heat damaged composite samples with increasing power to the horn.
Scanning electron microscope images of the heat damaged composite (exposed to 540 s).
X-ray CT images of different LW sections at different thickness in the interior of the sample.
X-ray CT images of different LT sections on the surface and interior of the sample.
Position of the IR camera, acoustic horn, and the wheel component to image the crack.
NCATS imaging of a crack in aluminum wheel component.
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