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首页> 外文期刊>International Journal of Heat and Mass Transfer >Investigation of the interfacial heat transfer coefficient of sheet aluminum alloy 5083 in warm stamping process
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Investigation of the interfacial heat transfer coefficient of sheet aluminum alloy 5083 in warm stamping process

机译：铝合金5083热冲压过程中界面传热系数的研究

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摘要

The interfacial heat transfer coefficient (IHTC) between die and blank is an important boundary condition needed for numerical simulation of warm stamping of sheet aluminum alloys. The heat transfer behaviors of sheet aluminum alloy AA5083 are investigated through cylindrical-die stamping experiments. The methods for calculating IHTC such as the heat balance method and Beck's nonlinear estimation method are introduced. The IHTC during blank transportation and stamping-cooling stages are calculated and the influencing factors are analyzed. Both contact pressure and initial temperature positively influence the IHTC and the relationship can be expressed by a compound power function. Lubricant is found to have heat insulation effect beneficial to stamping and cooling in addition to its main function of lubrication. Finally, the heat transfer behaviors under one side contact the other side free and one side contact the other side insulated situations are investigated. (C) 2018 Elsevier Ltd. All rights reserved.
机译：模具与毛坯之间的界面传热系数（IHTC）是铝合金薄板热冲压数值模拟所需的重要边界条件。通过圆柱冲模实验研究了铝合金AA5083的传热性能。介绍了热平衡法和贝克的非线性估计法等计算IHTC的方法。计算了毛坯运输和冲压冷却阶段的IHTC，并分析了影响因素。接触压力和初始温度都对IHTC产生积极影响，并且该关系可以通过复合功率函数表示。发现润滑剂除了具有润滑的主要功能外，还具有有益于冲压和冷却的隔热效果。最后，研究了在一侧接触另一侧自由和一侧接触另一侧绝缘情况下的传热行为。 （C）2018 Elsevier Ltd.保留所有权利。

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  • 来源
  • 作者

    Zhao Kunmin; Ren Daxin; Wang Bin; Chang Ying;

  • 作者单位

    Hefei Univ Technol, Inst Ind & Equipment Technol, Hefei 230601, Anhui, Peoples R China|Dalian Univ Technol, Sch Automot Engn, Dalian 116024, Peoples R China|Anhui Prov Key Lab Aerosp Struct Parts Forming Te, Hefei 230601, Anhui, Peoples R China;

    Dalian Univ Technol, Sch Automot Engn, Dalian 116024, Peoples R China;

    Dalian Univ Technol, Sch Automot Engn, Dalian 116024, Peoples R China;

    Dalian Univ Technol, Sch Automot Engn, Dalian 116024, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Heat transfer; Warm stamping; Aluminum alloy; Beck's method; Heat balance method;

    机译：传热;热冲压;铝合金;贝克法;热平衡法;

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