Synchrotron radiation X-ray imaging of cavitation bubbles in Al-Cu alloy melt

Haijun Huang; Da Shu; Yanan Fu; Jun Wang; Baode Sun

doi:10.1016/j.ultsonch.2013.12.024

Synchrotron radiation X-ray imaging of cavitation bubbles in Al-Cu alloy melt

Ultrason Sonochem. 2014 Jul;21(4):1275-8. doi: 10.1016/j.ultsonch.2013.12.024. Epub 2014 Jan 3.

Authors

Haijun Huang¹, Da Shu², Yanan Fu³, Jun Wang⁴, Baode Sun⁴

Affiliations

¹ Shanghai Key Lab of Advanced High-temperature Materials and Precision Forming, Shanghai Jiao Tong University, Shanghai 200240, China.
² Shanghai Key Lab of Advanced High-temperature Materials and Precision Forming, Shanghai Jiao Tong University, Shanghai 200240, China. Electronic address: dshu@sjtu.edu.cn.
³ Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, CAS, Shanghai 201204, China.
⁴ Shanghai Key Lab of Advanced High-temperature Materials and Precision Forming, Shanghai Jiao Tong University, Shanghai 200240, China; State Key Lab of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China.

PMID: 24433976
DOI: 10.1016/j.ultsonch.2013.12.024

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: Aluminum; Cavitation; Grain refining; Image analysis; Microstructure.

Publication types

Research Support, Non-U.S. Gov't