Experimental Study on Heat Transfer Boundary Conditions for Steel Hot Extrusion Process

Chang Yong Liu; Lei Zhang; Fei Yu Kang

doi:10.4028/www.scientific.net/AMR.668.856

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 668Experimental Study on Heat Transfer Boundary...

Experimental Study on Heat Transfer Boundary Conditions for Steel Hot Extrusion Process

Abstract:

Heat transfer boundary conditions have significant influence on the FEM analysis of the steel hot extrusion process using glass lubricant. However, the determination of heat transfer coefficient between billet and tooling lacked experimental basis. In order to obtain rational values of the coefficient, experimental study was conducted to measure it on thermal contact between P92 steel and H13 steel separated by glass lubricant. The influence of contact temperature, contact pressure and lubricant thickness was investigated. The obtained results can provide experimental basis for the determination of heat transfer boundary conditions for steel hot extrusion.

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Periodical:

Advanced Materials Research (Volume 668)

Pages:

856-860

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.668.856

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Online since:

March 2013

Authors:

Chang Yong Liu, Lei Zhang, Fei Yu Kang

Keywords:

Glass Lubricant, Heat Transfer Coefficient (HTC), Steel Hot Extrusion Process

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