Microstructure and mechanical property of SiC whisker coating modified C/C composite/Ti2AlNb alloy dissimilar joints prepared by transient liquid phase diffusion bonding

Wang, Jie; Yang, Feng; Zhang, Fuqi; Xiong, Qinglian; Xiong, Yi; Yang, Haitao; Qinghai, Xiong

doi:10.1016/j.ceramint.2019.11.047

Ceramics International

2020

DOI: 10.1016/j.ceramint.2019.11.047

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Microstructure and mechanical property of SiC whisker coating modified C/C composite/Ti2AlNb alloy dissimilar joints prepared by transient liquid phase diffusion bonding

Jie Wang

Feng Yang

Fuqi Zhang

et al.

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Cited by 25 publications

References 25 publications

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Brazing of C/C Composite and TiAl Alloy Using TiNiSi Filler Metal Added Cu Interlayer

Jiu

et al. 2021

J. of Materi Eng and Perform

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TiAl intermetallic alloy at 1060 °C for 10 min. The interfacial microstructures and mechanical properties were investigated, and the enhancing mechanism of the joint strength was elucidated. The results showed that a perfect interface joint was achieved by using TiNiSi to braze the C/C composite. Ductile Ti 3 SiC 2 carbide was formed at the interface, which is beneficial to the joint bonding effect. The direct joining between the C/C composite and TiAl alloy using TiNiSi filler metal was unsuccessful, which was attributed to the high content of intermetallic compounds and hard-brittle phases in the brazed joint. The addition of a Cu interlayer to the joint can adjust the interfacial structure and reduce the content of brittle compounds, leading to a complete connection between the C/C composite and TiAl alloy. The interfacial transition layer on the C/C composite side mainly consisted of Ti 3 SiC 2 , Ti 3 AlC ductile ceramic phases, and TiC phase, which enhanced the performance of the brazed joint. The average shear strength at room temperature was 18.8 MPa, with the maximum value of 23.6 MPa, and the average shear strength at 600 °C was 25.8 MPa.

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Brazing of C/C Composite and TiAl Alloy Using TiNiSi Filler Metal Added Cu Interlayer

Jiu

et al. 2021

J. of Materi Eng and Perform

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Effect of Laser Cladding TiC on Microstructure and Mechanical Properties of TC4|C/C Bonded Joint

Yin,

Wang,

Yang

et al. 2024

J. of Materi Eng and Perform

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Effect of C/C composite surface pretreatment on properties of brazed joint

et al. 2021

Weld World

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Microstructure and mechanical property of SiC whisker coating modified C/C composite/Ti2AlNb alloy dissimilar joints prepared by transient liquid phase diffusion bonding

Cited by 25 publications

References 25 publications

Brazing of C/C Composite and TiAl Alloy Using TiNiSi Filler Metal Added Cu Interlayer

Brazing of C/C Composite and TiAl Alloy Using TiNiSi Filler Metal Added Cu Interlayer

Effect of Laser Cladding TiC on Microstructure and Mechanical Properties of TC4|C/C Bonded Joint

Effect of C/C composite surface pretreatment on properties of brazed joint

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