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铝/钢固态焊接合界面金属间化合物生长机制

申中宝, 邱然锋, 石红信, 马恒波

申中宝, 邱然锋, 石红信, 马恒波. 铝/钢固态焊接合界面金属间化合物生长机制[J]. 焊接学报, 2019, 40(6): 58-63. DOI: 10.12073/j.hjxb.2019400155
引用本文: 申中宝, 邱然锋, 石红信, 马恒波. 铝/钢固态焊接合界面金属间化合物生长机制[J]. 焊接学报, 2019, 40(6): 58-63. DOI: 10.12073/j.hjxb.2019400155
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SHEN Zhongbao, QIU Ranfeng, SHI Hongxin, MA Hengbo. Growth mechanism of intermetallic compounds at the solid-state joining interface of aluminum/steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(6): 58-63. DOI: 10.12073/j.hjxb.2019400155
Citation: SHEN Zhongbao, QIU Ranfeng, SHI Hongxin, MA Hengbo. Growth mechanism of intermetallic compounds at the solid-state joining interface of aluminum/steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(6): 58-63. DOI: 10.12073/j.hjxb.2019400155
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铝/钢固态焊接合界面金属间化合物生长机制

  • 1.

    河南科技大学, 洛阳 471023

  • 2.

    河南科技大学, 洛阳 471023;有色金属共性技术河南省协同创新中心, 洛阳 471003

基金项目: 国家自然科学基金资助项目（51875177）

Growth mechanism of intermetallic compounds at the solid-state joining interface of aluminum/steel

  • 1.

    Henan University of Science and Technology, Luoyang 471023, China

  • 2.

    Henan University of Science and Technology, Luoyang 471023, China;Collaborative Innovation Center of Nonferrous Metals, Luoyang 471003, China

摘要

    摘要
  • 摘要: 在保持固态条件下，分别变化加热温度、时间对铝/Q235钢爆炸焊接头进行加热处理.分析了接合界面区反应层形貌等微观特征，探讨了加热温度、加热时间对反应层厚度的影响，研究了接合界面金属间化合物的生长行为.界面反应物是由靠近铝合金侧的反应物为Fe4Al13和靠近钢侧反应物为Fe2Al5构成.金属间化合物层随着加热时间的延长而变厚.结果表明，金属间化合物的生长满足抛物线法则，其生长激活能为33.26 kJ/mol.
    Abstract: The explosive welded Al/Q235 joint was annealed under various heating time and temperature keeping the joint stay at solid state condition. The interfacial reaction layer feature was analyzed and the effects of heating temperature and time on the thickness of reaction layer were investigated, the growth of intermetallic compound at the joining interface was studied. The interfacial reaction layer consisting of Fe2Al5 adjacent to steel and Fe4Al13 adjacent to aluminum formed in the joining interface. The thickness of intermetallic compound increased with the longer of heating time. The results show that the growth of intermetallic compound satisfies the parabolic rule and that the growth active energy is 33.26 kJ/mol.
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    • 参考文献(11)
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    [9] 王楠楠,邱然锋,石红信,等.铝合金与低碳钢的夹层电阻点焊接头特性[J].材料热处理学报, 2015, 36(1):70-74 Wang Nannan, Qiu Ranfeng, Shi Hongxin, et al. Characterization of resistance spot welded joint between aluminum alloy and mild steel with an interlayer[J]. Transactions of Materials and Heat Treatment, 2015, 36(1):70-74
    [10] 王楠楠,邱然锋,石红信.基于中间层的铝合金/钢电阻点焊[J].材料热处理学报, 2019, 40(1):155-160 Wang Nannan, Qiu Ranfeng, Shi Hongxin. Resistance spot welding of aluminum alloy/steel via an insert[J]. Transactions of Materials and Heat Treatment, 2019, 40(1):155-160
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  • 收稿日期:  2018-01-29

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