AlSi11/ Si₃N₄ Interpenetrating Composites Tribology Properties of Aluminum Matris Composites

Hongyan Wang, Shouren Wang, Gaozhi Liu, Yingzi Wang

School of Materials Science University of Jinan Jinan, China.
School of Mechanical Engineering University of Jinan Jinan, China.

DOI: 10.4236/ampc.2012.24B034                

Abstract

In present work, the metal-ceramic interpenetrating composites (IPCs) as AlSi11/ Si₃N₄ are fabricated by infiltrating technique. IPCs exhibit special characterization of brittle ceramic reinforced phase introduced by ductile metal matrix phase. During the sliding wear processes, IPCs exhibit four wear mechanism such as initial adhesive wear, mixed adhesive and abrasive wear, adhesive wear and final abrasive wear. Reinforcements inhibit plastic flow and restrict propagation of wear cracks. Increase in the volume fraction of reinforcement leads to improvement in the wear resistance. Under higher load and lower round speed conditions, the friction coefficients are lower than that of relative conditions.

Keywords

Interpenetrating Composites; Si₃N₄; Aluminum; Network Structure; Tribology

Conflicts of Interest

The authors declare no conflicts of interest.

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