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首页> 外文期刊>Journal of Manufacturing Processes >Probe shape design for eliminating the defects of friction stir lap welded dissimilar materials
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Probe shape design for eliminating the defects of friction stir lap welded dissimilar materials

机译：探针形状设计消除了搅拌摩擦搭接焊接异种材料的缺陷

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摘要

A novel multi-functional tool with circumferential notches shape probe was proposed for friction stir lap welded dissimilar materials. The novel probe produced larger turbulent flow region (strain rate = 10 s(-1)) by 185% and converged the plasticized materials below the probe top. The general hook and cold lap defects were eliminated, and the large metallurgical bonding area was acquired. The tensile shear load of the dissimilar 6082-T6/2A12-T4 joint reached 85% of the base 6082-T6 alloy. The sound Al/steel joint with the large bonding area and the limited diffusion bonding layer of 2 mu m was achieved. The probe avoided the direct contact between the probe and steel sheet, and then eliminated the probe abrasion for soft/hard configuration. The circumferential notches shape probe has potential to achieve the reliable lap joint due to the eliminations of general defects and probe abrasion, large metallurgical bonding area as well as high joint performance.
机译：提出了一种新型的带有周向缺口形状探针的多功能工具，用于搅拌摩擦搭焊不同材料的焊接。新型探针产生了185％的更大的湍流区域（应变率> = 10 s（-1）），并将增塑材料聚集在探针顶部下方。消除了一般的弯钩和冷弯缺陷，并获得了较大的冶金结合面积。异种6082-T6 / 2A12-T4接头的拉伸剪切载荷达到基础6082-T6合金的85％。铝/钢的接合处具有良好的粘结面积，且扩散粘结层的限制为2μm。探头避免了探头和钢板之间的直接接触，因此消除了软/硬配置时的探头磨损。由于消除了一般缺陷和探针磨损，较大的冶金结合面积以及较高的接头性能，因此圆周槽口形状的探针具有实现可靠搭接的潜力。

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  • 来源
    《Journal of Manufacturing Processes》 |2018年第10期|420-427|共8页
  • 作者

    Huang Yongxian; Wan Long; Meng Xiangchen; Xie Yuming; Lv Zongliang; Zhou Li;

  • 作者单位

    Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Heilongjiang, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Friction stir lap welding; Hook; Probe abrasion; Metallurgical bonding;

    机译：搅拌摩擦搭接焊接;钩;探针磨损;冶金结合;

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