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程赫明

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期刊论文

Comparison of surface heat-transfer coefficients between various diameter cylinders during rapid cooling

程赫明Cheng Heming a* Huang Xieqing b Xie Jianbin a

C. Heming et al./Journal of Materials Processing Technology 138(2003)399-402,-0001,():

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摘要/描述

The relationships between surface temperature and surface heat-transfer coefficient of different diameter cylinders during quenching have been given. The properties include the coupled effects between phase transformation and temperature, and the coupled effect of the phase transformation between solid and liquid. The comparison of surface heat-transfer coefficients between various diameter cylinders during rapid cooling was taken into account. The results obtained have been shown that the maximum value of the surface heat-transfer coefficient of φ40mm×120mm cylinders is larger than that of φ20mm×60mm.

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