高级检索
王晓阳, 曹健, 代翔宇, 冯吉才. Ag-Cu钎料钎焊ZTA陶瓷与TC4钛合金[J]. 焊接学报, 2019, 40(3): 47-51. DOI: 10.12073/j.hjxb.2019400070
引用本文: 王晓阳, 曹健, 代翔宇, 冯吉才. Ag-Cu钎料钎焊ZTA陶瓷与TC4钛合金[J]. 焊接学报, 2019, 40(3): 47-51. DOI: 10.12073/j.hjxb.2019400070
WANG Xiaoyang, CAO Jian, DAI Xiangyu, FENG Jicai. Brazing ZTA ceramic to TC4 alloy using Ag-Cu filler metal[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(3): 47-51. DOI: 10.12073/j.hjxb.2019400070
Citation: WANG Xiaoyang, CAO Jian, DAI Xiangyu, FENG Jicai. Brazing ZTA ceramic to TC4 alloy using Ag-Cu filler metal[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(3): 47-51. DOI: 10.12073/j.hjxb.2019400070

Ag-Cu钎料钎焊ZTA陶瓷与TC4钛合金

Brazing ZTA ceramic to TC4 alloy using Ag-Cu filler metal

  • 摘要: 使用Ag-Cu钎料钎焊ZTA陶瓷与TC4钛合金,利用扫描电子显微镜(SEM)、能谱分析仪(EDS)和X射线衍射仪(XRD)等设备分析了钎焊接头界面组织,阐明了反应机理,并研究了钎焊温度对接头界面组织和力学性能的影响. 结果表明,钎焊接头的界面结构为ZTA陶瓷/TiO+Ti3(Cu,Al)3O/Ag(s,s)/Ti2Cu3/TiCu/Ti2Cu/α+β-Ti/TC4合金. 随着钎焊温度的升高,钎缝中Ag基固溶体层变薄,Ti-Cu金属间化合物层变厚,当钎焊温度达到890 ℃时,Ti-Cu金属间化合物几乎占据整了个钎缝区域. 随着温度的升高,接头抗剪强度先增大后减小,在钎焊温度为890 ℃时,接头的室温抗剪强度达到最大值,其值为43.2 MPa.

     

    Abstract: Ag-Cu filler was used to braze ZTA ceramic and TC4 alloy. Scanning electron microscopy, energy disperse spectroscopy and X ray diffraction were used to identify the interfacial microstructure and the reaction mechanism of the joints was clarified. The typical interfacial microstructure was ZTA ceramic/TiO+Ti3(Cu,Al)3O/Ag(s,s)/Ti2Cu3/TiCu/Ti2Cu/α+β-Ti/TC4 alloy. The experiments were carried at the brazing temperature from 810 °C to 910 °C. The results indicated that as the brazing temperature increased, Ag-based solid solution layer thinned and Ti-Cu intermetallic compound layers thickened. When brazed at 890 °C for 10 min, Ti-Cu intermetallic compounds occupied almost the entire brazing area, and the shear strength of the joints reached the highest value of 43.2 MPa.

     

/

返回文章
返回