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Prediction of Cavitation Depth in an Al-Cu Alloy Melt with Bubble Characteristics Based on Synchrotron X-ray Radiography
Huang, HJ; Shu, D; Fu, YA; Zhu, GL; Wang, DH; Dong, AP; Sun, BD
2018
Source PublicationMETALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
ISSN1073-5623
Volume49AIssue:6Pages:2193-2201
Subtype期刊论文
AbstractThe size of cavitation region is a key parameter to estimate the metallurgical effect of ultrasonic melt treatment (UST) on preferential structure refinement. We present a simple numerical model to predict the characteristic length of the cavitation region, termed cavitation depth, in a metal melt. The model is based on wave propagation with acoustic attenuation caused by cavitation bubbles which are dependent on bubble characteristics and ultrasonic intensity. In situ synchrotron X-ray imaging of cavitation bubbles has been made to quantitatively measure the size of cavitation region and volume fraction and size distribution of cavitation bubbles in an Al-Cu melt. The results show that cavitation bubbles maintain a log-normal size distribution, and the volume fraction of cavitation bubbles obeys a tanh function with the applied ultrasonic intensity. Using the experimental values of bubble characteristics as input, the predicted cavitation depth agrees well with observations except for a slight deviation at higher acoustic intensities. Further analysis shows that the increase of bubble volume and bubble size both leads to higher attenuation by cavitation bubbles, and hence, smaller cavitation depth. The current model offers a guideline to implement UST, especially for structural refinement. (C) The Minerals, Metals & Materials Society and ASM International 2018
KeywordAcoustic Cavitation Intermetallic Particles Ultrasonic Treatment Liquid Pressure Refinement Simulation Nucleation Equations Radiation
DOI10.1007/s11661-018-4603-6
Indexed BySCI
Language英语
WOS IDWOS:000431267700020
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/29106
Collection中科院上海应用物理研究所2011-2018年
Affiliation1.Huang, HJ
2.Shu, D
3.Fu, YA
4.Zhu, GL
5.Wang, DH
6.Dong, AP
7.Sun, BD
Recommended Citation
GB/T 7714
Huang, HJ,Shu, D,Fu, YA,et al. Prediction of Cavitation Depth in an Al-Cu Alloy Melt with Bubble Characteristics Based on Synchrotron X-ray Radiography[J]. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE,2018,49A(6):2193-2201.
APA Huang, HJ.,Shu, D.,Fu, YA.,Zhu, GL.,Wang, DH.,...&Sun, BD.(2018).Prediction of Cavitation Depth in an Al-Cu Alloy Melt with Bubble Characteristics Based on Synchrotron X-ray Radiography.METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE,49A(6),2193-2201.
MLA Huang, HJ,et al."Prediction of Cavitation Depth in an Al-Cu Alloy Melt with Bubble Characteristics Based on Synchrotron X-ray Radiography".METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE 49A.6(2018):2193-2201.
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