Austenite grain growth behavior of microalloyed Al-V-N and Al-V-Ti-N steels

Gao, N. and Baker, T.N. (1998) Austenite grain growth behavior of microalloyed Al-V-N and Al-V-Ti-N steels. ISIJ International, 38, (7), 744-751.


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The austenite grain growth behaviour of microalloyed Al–V–N and Al–V–Ti–N steels has been studied. Estimations of austenite grain size for Al–V–N steels by several different grain growth inhibition models demonstrated that the best match to experimental results can be obtained from Gladman and Rios equations and it is AlN that controls the austenite grain size. The experimental and calculated results indicated that the drag force of plate-shaped AlN particles probably depends on their orientation and austenitising temperature. A modified Gladman model, which considers the effects of complex arrays of different types of particles on the stabilized austenite grain size, can be used to predict the austenite grain size and particle size for an Al–V–Ti–N steel when the combined effect of AlN and TiN is considered.

Item Type: Article
Additional Information: Iron and Steel Inistitute of Japan
ISSNs: 0915-1559 (print)
Related URLs:
Keywords: carbonitride, microalloyed steel, austenite grain growth
Subjects: T Technology > TN Mining engineering. Metallurgy
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences
ePrint ID: 22837
Accepted Date and Publication Date:
Date Deposited: 01 Feb 2007
Last Modified: 31 Mar 2016 11:42

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