INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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Process and Properties of Brazing of High Volume SiCp/6063Al Composites and Electronic Glass with Low Temperature Glass Solder |
CHU Junlong1, GAO Zeng1, WANG Zhenjiang1, NIU Jitai1,2, TAO Xingkong3
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1 School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454003, China 2 Henan Jingtai High-Novel Materials Ltd. of Science and Technology, Jiaozuo 454003, China 3 School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China |
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Abstract The composite glass brazing material prepared by mixing PbO-ZnO-SiO2 amorphous glass powder and PbTiO3 crystal powder uniformly in an atmospheric environment realizes the connection between high volume fraction SiCp/6063Al composite material and DM305 glass. The results show that when the sealing temperature is 480 ℃ and the holding time is 30 minutes, the composite glass brazing filler metal completes the connection between the pre-oxidized composite material and DM305 glass, the joint has no defects such as cracks and pores, and the shear strength is 7.55 MPa. The air tightness of 1×10-8 Pa·cm3/s meets the requirements of use. During the sealing process, the composite glass brazing filler metal is compatible with the oxide film of the base material, and Al element diffusion occurs on the side of the composite material.
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Published: 25 December 2021
Online: 2021-12-27
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Fund:This work was financially supported by the Subsidized Projects for Tackling Key Scientific and Technological Problems in Henan Province (202102210036) and China Postdoctoral Science Foundation Funded Project (2021M692891). |
About author: Junlong Chureceived his B.S. degree in June 2018 from Henan University of Technology (HPU)in engineering. He is currently pursuing his master's degree at the College of Materials Science and Engineering in Henan Polytechnic University and under the guidance of Prof. Jitai Niu. he is mainly engaged in the research of aluminum matrix composites in the field of electronic packaging materials. |
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