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首页> 外文期刊>Applied Mathematical Modelling >Analysis of eccentric unbonded bimetal rod in ECAP based on different arrangements of soft and hard metals
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Analysis of eccentric unbonded bimetal rod in ECAP based on different arrangements of soft and hard metals

机译：基于软硬金属排列的ECAP偏心无粘结双金属棒分析

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摘要

In this paper, an analytical model of ECAP process with an eccentric unbonded bimetal rod is proposed by slab method. Based on the discussion, the effects of the eccentricity ratio and the diameter of inner rod as well as the geometrical parameters of the mold on the bonding process are obtained. Also this is the first time that different material arrangements are both taken into the consideration in ECAP. Two kinds of eccentric bimetal rods are researched, when outer pipe is hard and inner core rod is soft, the eccentricity ratio will be relieved. When the outer is soft and inner is hard, the eccentricity ratio will be enlarged. These changes can be more than 10% in some situations. In order to verify these conclusions, some experiments with aluminum and copper are designed and conducted. In these experiments, 3 different molds and 10 different eccentricity ratios as well as 5 different inner diameters are discussed with two kinds of eccentric bimetal rods in ECAP. The measured results are in agreement with those calculated by analytical model. Most of the errors between the measurements and calculations are less than 6%.
机译：通过平板法提出了偏心无粘结双金属棒ECAP工艺的解析模型。在讨论的基础上，获得了偏心率和内杆直径以及模具的几何参数对粘结过程的影响。这也是ECAP首次考虑不同的材料安排。研究了两种偏心双金属棒，当外管较硬而内芯棒较软时，偏心率会降低。当外部柔软而内部坚硬时，偏心率将增大。在某些情况下，这些更改可能会超过10％。为了验证这些结论，设计并进行了一些铝和铜的实验。在这些实验中，用ECAP中的两种偏心双金属棒讨论了3种不同的模具和10种不同的偏心率以及5种不同的内径。测量结果与解析模型计算结果一致。测量和计算之间的大多数误差小于6％。

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  • 来源
    《Applied Mathematical Modelling》 |2017年第7期|501-527|共27页
  • 作者

    Hongyu Wang; Jie Sun; Zhenting Wan; Qinglong Wang; Dewen Zhao; Dianhua Zhang;

  • 作者单位

    State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, Liaoning, China;

    State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, Liaoning, China;

    State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, Liaoning, China;

    State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, Liaoning, China;

    State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, Liaoning, China;

    State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, Liaoning, 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

    Bond experiment; ECAP; Eccentric bimetal rod; Material arrangement; Slab method;

    机译：债券实验;亚太经社会偏心双金属棒;物质安排;平板法;

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