Mechanisms of ultrasonic de-agglomeration of oxides through in-situ high-speed observations and acoustic measurements.
Abhinav Priyadarshi,Mohammad Khavari,Tungky Subroto,Paul Prentice,Koulis Pericleous,Dmitry G. Eskin,John Durodola,Iakovos Tzanakis +7 more
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TLDR
In this paper, the influence of ultrasonic cavitation on SiO2 and MgO agglomerates with individual particle sizes ranging between 0.5 and 10 μm was observed for the first time in-situ using high-speed imaging.About:
This article is published in Ultrasonics Sonochemistry.The article was published on 2021-10-15 and is currently open access. It has received 13 citations till now. The article focuses on the topics: Cavitation.read more
Citations
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In-situ observations and acoustic measurements upon fragmentation of free-floating intermetallics under ultrasonic cavitation in water.
Abhinav Priyadarshi,Mohammad Khavari,Shazamin Bin Shahrani,Tungky Subroto,Lukman Yusuf,Marcello Conte,Paul Prentice,Kyriacos A. Pericleous,Dmitry G. Eskin,Iakovos Tzanakis +9 more
TL;DR: In this article, a transparent test rig was developed to observe in real time the fragmentation potential of free-floating primary Al3Zr particles under ultrasonic excitation in water (an established analogue medium to liquid aluminium for cavitation studies).
Journal ArticleDOI
Ultrasound cavitation induced nucleation in metal solidification: An analytical model and validation by real-time experiments.
Haijun Huang,Haijun Huang,Haijun Huang,Ling Qin,Haibin Tang,Haibin Tang,Da Shu,Wentao Yan,Baode Sun,Jiawei Mi +9 more
TL;DR: In this paper, a theoretical model was developed to quantify the cavitation enhanced nucleation and the USMP induced solidification structure refinement via grain size for Al-Cu alloys.
Journal ArticleDOI
Additive manufacturing of oxide-dispersion strengthened alloys: materials, synthesis and manufacturing
TL;DR: In this paper , the current state of additive manufacturing of ODS alloys, which is mainly based on singular studies and the deduction of influence factors, is reviewed, and the main emphasis of this review are process-related influences on the final ODS material and its microstructural features as well as mechanical performance.
Journal ArticleDOI
Processing of SiC nano-reinforced AlSi9Cu3 composites by stir mixing, ultrasonication and high pressure die casting
TL;DR: In this article , a SiC nano-reinforced AlSi9Cu3 composites were developed by employing an Al-Cu-SiC np master alloy, stir mixing, ultrasonication and HPDC technology.
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High-Speed Imaging of the Ultrasonic Deagglomeration of Carbon Nanotubes in Water
Zhu Tao Xu,C. Tonry,Christopher Beckwith,A. Kao,Hayley Wong,Milo S. P. Shaffer,Koulis Pericleous,Qianqian Li +7 more
TL;DR: In this paper , the deagglomeration mechanisms and the influence of sonotrode amplitude during ultrasonication of multiwall carbon nanotubes in de-ionized water were studied by a combination of high-speed imaging and numerical modeling.
References
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Reference BookDOI
Ultrasonic Treatment of Light Alloy Melts
TL;DR: In this article, the authors present a history of Ultrasonic applications in metallurgical applications and provide a detailed overview of the development and application of ultrasonic processes in the field of metallurgy.
Journal ArticleDOI
Microstructure and mechanical properties of aluminum alloy matrix composite reinforced with nano-particle MgO
TL;DR: In this paper, aluminum alloy (A356.1) matrix composites reinforced with 1.5, 2.5 and 5-vol% nano-particle MgO were fabricated via stir casting method.
Journal ArticleDOI
Production of natural and synthesized aluminum-based composite materials with the aid of ultrasonic (cavitation) treatment of the melt.
Georgy I. Eskin,Dmitry G. Eskin +1 more
TL;DR: It is shown that the ultrasonic cavitation treatment combined with microalloying of hypereutectic Al-Si natural composites (alloys) promotes the formation of structures suitable for further deformation.
Journal ArticleDOI
Influence of hydrostatic pressure and sound amplitude on the ultrasound induced dispersion and de-agglomeration of nanoparticles
TL;DR: Ulasonic de-agglomeration of nanoparticles in aqueous solution is considered to be mainly a result of cavitation, and the presence of gas in the dispersion medium influences cavitation intensity and thus the effectiveness of the de-AGglomeration process.
Journal ArticleDOI
Characterizing the cavitation development and acoustic spectrum in various liquids
TL;DR: Non dimensional analysis revealed that water shares the closest cavitation behaviour with liquid aluminium and can therefore be used as its physical analogue in cavitation studies; this similarity was confirmed when comparing the measured acoustic spectra of water and liquid aluminium.
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