Microstructure and Mechanical Properties of C/C Composite/TC17 Joints with Ag-Cu-Ti Brazing Alloy

Microstructure and Mechanical Properties of C/C Composite/TC17 Joints with Ag-Cu-Ti Brazing Alloy
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Ag-Cu-Ti钎料C/C复合材料/TC17接头的显微组织和力学性能

DOI:
10.1088/1757-899x/275/1/012040
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发表时间:
2017-12
期刊:
IOP Conference Series: Materials Science and Engineering
影响因子:
--
通讯作者:
Kaituo Ma
Kaituo Ma
中科院分区:
其他
文献类型:
--
作者:
Xiujie Cao;Ying Zhu;Wei Guo;Peng Peng;Kaituo Ma

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采用Ag-Cu-Ti钎料真空钎焊C/C复合材料和TC 17钛合金。采用能谱仪(EDS)、扫描电镜(SEM)、X射线衍射(XRD)和Gleeble 1500 D试验机研究了钎焊温度对界面组织和接头性能的影响。结果表明,采用AgCuTi钎料成功地实现了C/C复合材料与TC 17的钎焊。钎焊接头中形成了TiC、Ag(s,s)、Cu(s,s)、Ti 3Cu 4、TiCu和Ti 2Cu等多种相。当钎焊温度为860°C,钎焊时间为15 min时,AgCuTi钎料钎焊接头的最大剪切强度为24±1 MPa。
Carbon/Carbon composite(C/C) was vacuum brazed to titanium alloy (TC17) using Ag-Cu-Ti brazing alloy. The effects of brazing temperature on the interfacial microstructure and joint properties were investigated by energy dispersive spectrometer (EDS), a scanning electron microscope (SEM), X-ray diffraction (XRD) and Gleeble1500D testing machine. Results show that C/C composite and TC17 were successfully brazed using AgCuTi brazing alloy. Various phases including TiC, Ag(s, s), Cu(s, s), Ti3Cu4, TiCu, and Ti2Cu were formed in the brazed joint. The maximum shear strength of the brazed joints with AgCuTi brazing alloy was 24±1 MPa when brazed at 860°C for 15 min.
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