Simple approach for description of undercooled solidification

Authors: Xu, J F; Liu, F; Zhang, K; Gong, M M

Source: Materials Science and Technology, Volume 28, Number 3, March 2012 , pp. 274-281(8)

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Abstract:

Assuming constant rates for nucleation and growth and neglecting thermal gradient in the melt, an analytical approach to describe the undercooled solidification was proposed in terms of ξ_α (x) function. This approach was adopted to study the solidification of undercooled Ni‐B alloy. With increasing melt undercooling, good model fits to recalescences arising from the solidification of the primary and eutectic phases were obtained. The fitting results are consistent with the structure evolution upon solidification.

Keywords: Undercooling; Rapid solidification; Recalescence

Document Type: Original Article

DOI: http://dx.doi.org/10.1179/1743284711Y.0000000030

Affiliations: State Key Laboratory of Solidification Processing, Northwestern Polytechnic University, Xi’an 710072, China

Publication date: 2012-03-01

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