journal article·2019-08

Air-brazed Al2O3 joint with a novel bismuth glass

Wei Guo, Li Fu, Peng He, Tiesong Lin, Meiling Wan, Jing Hou, Yahui Wu, Xiaochao Liu, Zhikang Shen

Ceramics International· Volume 45· Issue 12
Publisher page

Abstract

Abstract Polycrystalline alumina ceramics were air-brazed using bismuth glass with a chemical composition of 50Bi2O3–40B2O3–10ZnO (mol.%) at a relatively low temperature. ZnAl2O4 particles were formed insitu in the joints and the particles grew rapidly with an increase in joining temperature and holding time increasing. In addition, penetration of the alumina substrate by the glass became increasingly serious at higher temperatures and holding durations. The mechanical properties of the joints were investigated and the maximum shear strength was determined to be 50 MPa when brazed at 650 °C for 0 min.
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Research context

OpenAlex topics: Advanced ceramic materials synthesis · Microwave Dielectric Ceramics Synthesis · Glass properties and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

References (17)

Show source-provided references
1. Joining of alumina with a porous alumina interlayer10.1016/j.ceramint.2011.08.043 ↗
2. Transparent alumina ceramics densified by a combinational approach of spark plasma sintering and hot isostatic pressing10.1016/j.jeurceramsoc.2016.06.004 ↗
3. Study on vacuum brazing of high purity alumina for application in proton synchrotron10.1016/j.matdes.2014.07.069 ↗
4. Diffusion bonding of zirconia/alumina composites10.1111/j.1151-2916.1990.tb06479.x ↗
5. The relation between wetting and interfacial chemistry in the CuAgTi/alumina system10.1016/j.actamat.2005.11.048 ↗
6. New design of sapphire joints brazed with bismuth-borate glass10.1016/j.ceramint.2018.11.205 ↗
7. Microstructural evolution during reactive brazing of alumina to Inconel 600 using Ag-based alloy10.1016/j.actamat.2012.09.040 ↗
8. Microstructure and mechanical properties of Al2O3 ceramic and Ti6Al4V alloy joint brazed with inactive Ag–Cu and Ag–Cu + B10.1016/j.jeurceramsoc.2016.02.033 ↗
9. Joining alumina using an alumina/metal composite10.1016/S0955-2219(01)00428-9 ↗
10. The influence of brazing conditions on joint strength in Al2O3/Al2O3 bonding10.1007/BF01151094 ↗
11. Glass bonding with a reactive bonding layer fabricated by aerosol deposition10.1016/j.ceramint.2018.03.128 ↗
12. Y2O3–Al2O3–SiO2-based glass-ceramic fillers for the laser-supported joining of SiC10.1016/j.jeurceramsoc.2014.01.019 ↗
13. Microstructure and mechanical properties of low-activation glass-ceramic joining and coating for SiC/SiC composites10.1016/S0022-3115(00)00096-9 ↗
14. Joining of mullite ceramics with yttrium aluminosilicate glass interlayers10.1016/j.ceramint.2008.06.006 ↗
15. Ceramic joining through reactive wetting of alumina with calcium aluminate refractory cements10.1007/BF02720077 ↗
16. Interfaces between alumina and refractory glasses for high temperature applications10.4028/www.scientific.net/KEM.111-112.191 ↗
17. Microstructure and strength of Al2O3/Al2O3 joints bonded with ZnO–Al2O3–B2O3–SiO2 glass-ceramic10.1016/j.jmst.2014.01.011 ↗