李丹,邱然锋,任柯旭,石红信

• 1:河南科技大学材料科学与工程学院
• 2:有色金属共性技术河南省协同创新中心

摘要(Abstract)：

以100μm厚的Ni箔为中间层对钛与不锈钢进行了电阻点焊,观察并分析了接头熔核区域的组织特征,研究了焊接参数对Ti/Ni/SUS304接头熔核尺寸和抗剪力的影响。结果表明:在熔核端部外侧界面区Ti侧形成了(α-Ti)和Ti_2Ni相,靠近Ni侧形成了Ti Ni化合物;而在熔核区域的Ti侧、不锈钢侧和熔核内部分别观察到了(α-Ti)+TiFe层、(Fe)+TiFe_2层和TiFe+TiFe_2混合物;焊接接头的抗剪力随焊接电流、焊接时间、电极压力的增大呈先增大后降低的变化趋势,所得接头最大抗剪力约为5.62 kN。

关键词(KeyWords)： 钛;镍;不锈钢;电阻点焊

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(U1204520);; 河南省国际合作项目(182102410066);; 河南省高校科技创新人才计划基金(16HASTIT050)

作者(Author): 李丹,邱然锋,任柯旭,石红信

DOI: 10.13289/j.issn.1009-6264.2018-0203

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