In Situ Observation of Growth Process of δ Phase of 0.15% C Carbon Steel during Solidification

Abstract:

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In situ observation of growth process of high temperature phase in 0.15% C carbon steel during solidification concerned with using Confocal Scanning Laser Microscope (CSLM), the growth rate of -phase has been measured. The results indicate that high temperature -phase grows at cell crystal way when the cooling speed reaches 2°C/min in 0.15% C carbon steel. The -phase of round or oval cross-sectional shaped may grow stably. The growth rate of -phase is gradually getting slow along with increasing of curvature radius. The variation of growth speed tends to be similar with different solid-liquid interface shapes of -phase. The growth rate of concave solid-liquid interface is faster than that of convex solid-liquid interface for phase. The smaller radius of curvature of phase is, the faster the growth rate reaches.

Info:

Periodical:

Advanced Materials Research (Volumes 299-300)

Edited by:

Jianzhong Wang and Jingang Qi

Pages:

341-344

DOI:

10.4028/www.scientific.net/AMR.299-300.341

Citation:

X. D. Yue et al., "In Situ Observation of Growth Process of δ Phase of 0.15% C Carbon Steel during Solidification", Advanced Materials Research, Vols. 299-300, pp. 341-344, 2011

Online since:

July 2011

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Price:

$35.00

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