The experimental results indicate that this material possess low friction coefficient and excellent antifriction property.
试验结果表明：此各材料具有较低的摩擦系数和良好的减摩耐磨性能；
2
Self-lubricating composite which possesses superior antifriction and wear resistance has been one of the central issues for advanced material research.
具有优良减摩耐磨性能的自润滑材料是材料研究的热点领域之一。
3
The Zn-Al alloy has many advantages, such as good mechanical property, strong antifriction property, processable property, small density, low melting point, affluent raw material, low cost and so on.