NDLI: Titanium carbonitride seeded crystallization of aluminum

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Titanium carbonitride seeded crystallization of aluminum

Content Provider	Scilit
Author	Xiang, Yanling Xiao, Sufen Tang, Zhenghua Luo, Feifei Qian, Pingping
Copyright Year	2019
Description	Journal: Materials Research Express The refinement effect of titanium carbonitride on pure aluminum was investigated by adding the mixed powder of Ti and TiCN. Comparing with adding Ti or TiCN separately, 0.3% addition of the mixed refiner of Ti and TiCN has better grain refinement performance and the grain size of pure aluminium can decrease to 120μm. With the prolongation of holding time, the pure aluminum with TiCN/Ti showed excellent anti-fading performance which can still maintain fine equiaxed grains (180μm) after holding 8 hours. The charictaristics of refined specimens were revealed by OM, FSEM, XRD, and DCS test and the results suggest that TiCN with Ti-rich layer in aluminum melt can reduce undercooling and act as heterogeneous nucleus of α-Al. The refinement mechanism of the composite refiner is the formation of Ti-rich layer on the interface of TiCN which promotes the nucleation of α-Al.
Related Links	https://iopscience.iop.org/article/10.1088/2053-1591/ab0e3c/pdf
ISSN	20531591
e-ISSN	20531591
DOI	10.1088/2053-1591/ab0e3c
Journal	Materials Research Express
Issue Number	6
Volume Number	6
Language	English
Publisher	IOP Publishing
Publisher Date	2019-03-08
Access Restriction	Open
Subject Keyword	Journal: Materials Research Express Metallurgy and Metallurgical Engineering
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Metals and Alloys Biomaterials Electronic, Optical and Magnetic Materials Polymers and Plastics

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