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Synchrotron radiation X-ray imaging of cavitation bubbles in Al–Cu alloy melt |
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| Institution: | 1. Shanghai Key Lab of Advanced High-temperature Materials and Precision Forming, Shanghai Jiao Tong University, Shanghai 200240, China;2. Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, CAS, Shanghai 201204, China;3. State Key Lab of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China |
| Abstract: | Cavitation bubbles in Al–10 wt.%Cu melt has been investigated by adopting synchrotron radiation X-ray imaging technology. In-situ observation reveals that most of bubbles concentrate within an intense cavitation zone nearby the radiation face. The measured near-maximum bubble radii obey a similar truncated Gaussian distribution as in water but increase by nearly the magnitude of one order due to higher ultrasonic intensity applied in aluminum melt. |
| Keywords: | Cavitation Aluminum Grain refining Image analysis Microstructure |
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