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基于有限元方法的超导线协调变形研究进展
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1.西北有色金属研究院超导材料研究所 西安;2.西北工业大学超导材料与应用技术研究院 西安

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国家重点研发计划项目(2021YFB3800200);国家自然科学基金区域创新发展联合基金重点项目(U24A2068);陕西省财政厅功能材料专项(1101YC2303); 国家自然科学基金项目(52172274);


Research progress on coordinated deformation of superconducting wires based on finite element method
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1.Northwest Institute for Nonferrous Metal Research,Xi’an;2.Northwestern Polytechnical University,Xi'3.'4.an

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    摘要:

    NbTi、Nb3Sn、MgB2、Bi系超导材料的结构复杂,金属间、金属与粉体间及芯丝间的协调变形均匀性决定了线材加工质量和力学性能。线材和模具结构、加工工艺、变形条件是影响其协调变形行为的重要因素,基于有限元数值模拟方法,分析和评估多种因素下超导线材的协调变形行为是一种重要工程手段,能够较为准确和直观地分析多层、多芯复合结构超导线材成形过程协调流变行为,及复合相间及其界面处的应力/应变分配。本综述旨在概述超导线材成形过程有限元模拟的研究进展,归纳总结了超导线材成形有限元模型构建、本构模型选择、及边界条件设置等。同时论述了变形参数、模具结构和加工工艺对协调变形行为影响机制及多尺度分析最近研究进展。

    Abstract:

    :The structure of NbTi, Nb3Sn, MgB2, Bi-based superconducting materials is complex, and the coordinated deformation uniformity between metals, between metals and powders, and between core wires determines the processing quality and mechanical properties of wires. The dies’ and wires’ structure, processing technology, and deformation conditions are important factors that affect their coordinated deformation behavior. Based on finite element numerical simulation methods, analyzing and evaluating the coordinated deformation behavior of superconducting wires under multiple factors is an important engineering tool that can accurately and intuitively analyze the coordinated rheological behavior during the forming process of multi-layer and multi- filament composite superconducting wires, as well as the stress/strain distribution between composite phases and their interfaces. This review aims to provide an overview of the research progress in finite element simulation of superconducting wire forming processes, summarizing the construction of finite element models, selection of constitutive models, and setting of boundary conditions for superconducting wire forming. At the same time, the effecting mechanism of deformation parameters, die structure, and processing technology on coordinated deformation behavior and recent research progress in multi-scale analysis were discussed.

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侯弘历,胡乐,张胜楠,王庆阳,姜浪,刘静,刘吉星,李建峰,张平祥.基于有限元方法的超导线协调变形研究进展[J].稀有金属材料与工程,,().[Hongli Hou, Le Hu, Shengnan Zhang, Qingyang Wang, Liang Jiang, Jing Liu, Jixing Liu, Jianfeng Li, Pingxiang Zhang. Research progress on coordinated deformation of superconducting wires based on finite element method[J]. Rare Metal Materials and Engineering,,().]
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  • 收稿日期:2025-02-17
  • 最后修改日期:2025-03-07
  • 录用日期:2025-03-20
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