2008•TribologyRequires access
Effect of Ceramic Fiber Content on Tribology Properties of Semi-metal Friction Material
Yin Yan-sheng
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Abstract
Semi-metal friction material containing aluminum-silicon fiber was prepared.Effects of aluminum-silicon fiber content on fade,recovery and wear properties of semi-metal friction material were studied using DMS-150 friction tester.Morphologies of the wear surfaces were observed by scanning electron microscopy.Heat fading resistant property of friction material was improved obviously when the content of aluminum-silicon wool was more than 5wt.%,but at the mean time the property of recovery descended and wear rate increased lightly.The wear mechanism was adhesive wear for semi-metal friction material,while the wear mechanism for material with hybrid fiber was a mixing of adhesive and abrasive wear.