On the Crack Defect of CrZrCu Alloy DC Casting Ingot

Abstract:

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The CrZrCu alloy cylindrical ingots have been tried to produce by the direct chill (DC) casting process. However crack defect is contained in the central area of the ingots. Metallographic analysis proving a kind of hot crack is cause by the precipitate in grain boundaries. A 3D coupled thermal-stress mathematical model has been formulated to describe thermal and stress–strain fields during the direct chill (DC) casting process for CrZrCu alloy cylindrical ingots. The model has been applied to analyzing the crack defect elimination, so that the need for further refinement of the DC casting process parameters has been satisfied.

Info:

Periodical:

Materials Science Forum (Volumes 675-677)

Edited by:

Yi Tan and Dongying Ju

Pages:

831-834

DOI:

10.4028/www.scientific.net/MSF.675-677.831

Citation:

D. Wu et al., "On the Crack Defect of CrZrCu Alloy DC Casting Ingot", Materials Science Forum, Vols. 675-677, pp. 831-834, 2011

Online since:

February 2011

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Price:

$35.00

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