The growth restriction effect of TiCN nanoparticles on Al-Cu-Zr alloys via ultrasonic treatment

Ex situ and in situ synchrotron X-radiography study on Al-Cu-Zr alloys with addition of Al-5Ti-1B and TiCN nanoparticles (TiCNnp) were carried out at different cooling rates. Al-Zr alloy can be effectively refined by TiCNnp via Ultrasonic treatment as compared with Al-5Ti-1B which has Zr poisoning e...

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Autores principales:	Yiwang Jia, Dongfu Song, Nan Zhou, Kaihong Zheng, Yanan Fu, Da Shu
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	X- radiography TiCNnp Ultrasonic treatment Al-Zr alloy Modeling Chemistry QD1-999 Acoustics. Sound QC221-246
Acceso en línea:	https://doaj.org/article/83e15aabf6884c53bdf3e7fa87baca65
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spelling	oai:doaj.org-article:83e15aabf6884c53bdf3e7fa87baca652021-12-02T04:59:53ZThe growth restriction effect of TiCN nanoparticles on Al-Cu-Zr alloys via ultrasonic treatment1350-417710.1016/j.ultsonch.2021.105829https://doaj.org/article/83e15aabf6884c53bdf3e7fa87baca652021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1350417721003710https://doaj.org/toc/1350-4177Ex situ and in situ synchrotron X-radiography study on Al-Cu-Zr alloys with addition of Al-5Ti-1B and TiCN nanoparticles (TiCNnp) were carried out at different cooling rates. Al-Zr alloy can be effectively refined by TiCNnp via Ultrasonic treatment as compared with Al-5Ti-1B which has Zr poisoning effect. The influence of cooling rate on the nucleation and growth of grains have been studied quantitatively. The results show that the grain size was decreased and the growth rate was increased with the increasing of cooling rate. At the same cooling rate, the grain size with addition of 0.5% TiCNnp was smaller than that with the same addition of Al-5Ti-1B. The blocking factor f of TiCNnp decreases with increasing cooling rate. Based on the free growth model, a new numerical model considering the growth restriction effect of nanoparticles was established. The growth of grain was inhibited by the combining effect of solute and nanoparticles. The growth rate of grain is reduced due to part of the solid/liquid interface coated by nanoparticles. The blocking factor f is linearly decreased with the coverage ratio ω which is proportional to the critical grain radius. The grain size decreases with increasing cooling rate and decreasing f . This study is especially beneficial for Al alloys that have poisoning phenomenon inoculated by traditional refiner.Yiwang JiaDongfu SongNan ZhouKaihong ZhengYanan FuDa ShuElsevierarticleX- radiographyTiCNnpUltrasonic treatmentAl-Zr alloyModelingChemistryQD1-999Acoustics. SoundQC221-246ENUltrasonics Sonochemistry, Vol 80, Iss , Pp 105829- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	X- radiography TiCNnp Ultrasonic treatment Al-Zr alloy Modeling Chemistry QD1-999 Acoustics. Sound QC221-246
spellingShingle	X- radiography TiCNnp Ultrasonic treatment Al-Zr alloy Modeling Chemistry QD1-999 Acoustics. Sound QC221-246 Yiwang Jia Dongfu Song Nan Zhou Kaihong Zheng Yanan Fu Da Shu The growth restriction effect of TiCN nanoparticles on Al-Cu-Zr alloys via ultrasonic treatment
description	Ex situ and in situ synchrotron X-radiography study on Al-Cu-Zr alloys with addition of Al-5Ti-1B and TiCN nanoparticles (TiCNnp) were carried out at different cooling rates. Al-Zr alloy can be effectively refined by TiCNnp via Ultrasonic treatment as compared with Al-5Ti-1B which has Zr poisoning effect. The influence of cooling rate on the nucleation and growth of grains have been studied quantitatively. The results show that the grain size was decreased and the growth rate was increased with the increasing of cooling rate. At the same cooling rate, the grain size with addition of 0.5% TiCNnp was smaller than that with the same addition of Al-5Ti-1B. The blocking factor f of TiCNnp decreases with increasing cooling rate. Based on the free growth model, a new numerical model considering the growth restriction effect of nanoparticles was established. The growth of grain was inhibited by the combining effect of solute and nanoparticles. The growth rate of grain is reduced due to part of the solid/liquid interface coated by nanoparticles. The blocking factor f is linearly decreased with the coverage ratio ω which is proportional to the critical grain radius. The grain size decreases with increasing cooling rate and decreasing f . This study is especially beneficial for Al alloys that have poisoning phenomenon inoculated by traditional refiner.
format	article
author	Yiwang Jia Dongfu Song Nan Zhou Kaihong Zheng Yanan Fu Da Shu
author_facet	Yiwang Jia Dongfu Song Nan Zhou Kaihong Zheng Yanan Fu Da Shu
author_sort	Yiwang Jia
title	The growth restriction effect of TiCN nanoparticles on Al-Cu-Zr alloys via ultrasonic treatment
title_short	The growth restriction effect of TiCN nanoparticles on Al-Cu-Zr alloys via ultrasonic treatment
title_full	The growth restriction effect of TiCN nanoparticles on Al-Cu-Zr alloys via ultrasonic treatment
title_fullStr	The growth restriction effect of TiCN nanoparticles on Al-Cu-Zr alloys via ultrasonic treatment
title_full_unstemmed	The growth restriction effect of TiCN nanoparticles on Al-Cu-Zr alloys via ultrasonic treatment
title_sort	growth restriction effect of ticn nanoparticles on al-cu-zr alloys via ultrasonic treatment
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/83e15aabf6884c53bdf3e7fa87baca65
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The growth restriction effect of TiCN nanoparticles on Al-Cu-Zr alloys via ultrasonic treatment

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