Study on Fabrication and Properties of In Situ Si and Al₂O₃ Particulate Reinforced Composites

Abstract:

The properties of in-situ (Si+Al₂O₃)/Al composites fabricated from Al-SiO₂ reaction system are investigated by X-Ray Diffraction, Scanning Electron Microscope and Differential Scanning Calorimetry technologies. The results indicate that the Si phase is plate shaped and the Al₂O₃ phase is mainly round and ellipsoidal. The composite prepared by this method have performances of low density, high conductivity and small thermal expansion coefficient (<10×10^-6/K) which meets the performance requirements of electronic packaging materials.

• Periodical: Applied Mechanics and Materials (Volume 576)
• Pages: 33-37
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.576.33
• Online since: June 2014
• Authors: Song Li Zhang*, Zhen Kun Zhang, Yuao Zhao
• Keywords: (Si+ Al₂O₃)/Al Composite, Electronic Packaging Material, In Situ, Thermal Expansivity

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