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Thermal contact resistance in hot forming of ultra-high strength steel
Author(s): 
Pages: 23-27+78
Year: Issue:  3
Journal: Journal of Plasticity Engineering

Keyword:  hot formingthermal contact resistanceheat transfertheoretical model;
Abstract: As one of the most important parameters in hot forming process of ultra-high strength steel,thermal contact resistance has an obvious effect on the accuracy of the simulation results,and recently becomes a hot issue in the research area of hot forming.In this paper,the heat-transfer mechanism of the contact thermal resistance are reviewed comprehensively based on a lot of documents and data.The influence factors such as pressure and temperature in hot forming process are analyzed.And then,the theoretical models at home and abroad are presented.After the summary of the reported studies,the future research direction is pointed out.
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