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
发表期刊METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
ISSN1073-5623
卷号49A期号:6页码:2193-2201
文章类型期刊论文
摘要The 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
关键词Acoustic Cavitation Intermetallic Particles Ultrasonic Treatment Liquid Pressure Refinement Simulation Nucleation Equations Radiation
DOI10.1007/s11661-018-4603-6
收录类别SCI
语种英语
WOS记录号WOS:000431267700020
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29106
专题中科院上海应用物理研究所2011-2018年
作者单位1.Huang, HJ
2.Shu, D
3.Fu, YA
4.Zhu, GL
5.Wang, DH
6.Dong, AP
7.Sun, BD
推荐引用方式
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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