Joining of High Strength Graphite with Silicon Resin and SiO2 Addition

Hong Li Liu; Jiu Jun Yang; Shi You Hu; Lie Qv; Xue Lian Zhao; Guo Zun Li

doi:10.4028/www.scientific.net/MSF.745-746.621

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HomeMaterials Science ForumMaterials Science Forum Vols. 745-746Joining of High Strength Graphite with Silicon...

Joining of High Strength Graphite with Silicon Resin and SiO₂ Addition

Abstract:

Joining of the high strength graphite to itself has been realized using silicon resin YR3370 with SiO₂ powders as joining materials. The joining strength of the joints is strongly affected by adding SiO₂ powders and joining temperature. Adding SiO₂ filler can effectively reduce holes and cracks in the joining interlayer. Therefore it can enhance the joining strength. The maximum shearing strength of the joints is 21.1MPa, which is equal to 52.8% of the strength of the graphite substrate. This value is obtained at the joining temperature of 1200°C. The thickness of interlayer is about 25μm. The joining interlayer is uniform and dense, and the contact at the interfaces is good.

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Periodical:

Materials Science Forum (Volumes 745-746)

Pages:

621-625

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.745-746.621

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Online since:

February 2013

Authors:

Hong Li Liu, Jiu Jun Yang, Shi You Hu, Lie Qv, Xue Lian Zhao, Guo Zun Li

Keywords:

Graphite, Silicon Resin, SiO₂ Filler, Special Joining

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