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Cooling Systems Design in Hot Stamping Tools by a Thermal-Fluid-Mechanical Coupled Approach
T. Lin; H. W. Song; S. H. Zhang; M. Cheng; W. J. Liu
2014
Source PublicationAdvances in Mechanical Engineering
ISSN1687-8132
AbstractHot stamping tools with cooling systems are the key facilities for hot stamping process of Ultrahigh strength steels (UHSS) in automotive industry. Hot stamping tools have significant influence on the final microstructure and properties of the hot stamped parts. In serials production, the tools should be rapidly cooled by cooling water. Hence, design of hot stamping tools with cooling systems is important not only for workpieces of good quality but also for the tools with good cooling performance and long life. In this paper, a new multifield simulation method was proposed for the design of hot stamping tools with cooling system. The deformation of the tools was also analyzed by this method. Based on MpCCI (Mesh-based parallel Code Coupling Interface), thermal-fluid simulation and thermal-fluid-mechanical coupled simulation were performed. Subsequently, the geometrical parameters of the cooling system are investigated for the design. The results show that, both the distance between the ducts and the distance between the ducts and the tools loaded contour have significant influence on the quenching effect. And better quenching effect can be achieved with the shorter distance from the tool surface and with smaller distance between ducts. It is also shown that, thermal expansion is the main reason for deformation of the hot forming tools, which causes the distortion of the cooling ducts, and the stress concentration at corner of the ducts.
description.department[lin, tao ; song, hong-wu ; zhang, shi-hong ; cheng, ming] chinese acad sci, inst met res, shenyang 110016, peoples r china. [liu, wei-jie] northeastern univ, res acad, shenyang 110819, peoples r china. ; zhang, sh (reprint author), chinese acad sci, inst met res, shenyang 110016, peoples r china. ; shzhang@imr.ac.cn
KeywordHigh-strength Steels Numerical-simulation Heat-transfer
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73291
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
T. Lin,H. W. Song,S. H. Zhang,et al. Cooling Systems Design in Hot Stamping Tools by a Thermal-Fluid-Mechanical Coupled Approach[J]. Advances in Mechanical Engineering,2014.
APA T. Lin,H. W. Song,S. H. Zhang,M. Cheng,&W. J. Liu.(2014).Cooling Systems Design in Hot Stamping Tools by a Thermal-Fluid-Mechanical Coupled Approach.Advances in Mechanical Engineering.
MLA T. Lin,et al."Cooling Systems Design in Hot Stamping Tools by a Thermal-Fluid-Mechanical Coupled Approach".Advances in Mechanical Engineering (2014).
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