Ni-20Cr powders mixed with tungsten,aluminum,titanium,and different contents of molybdenum disulfides were hot-pressed i......

Nickel-based graphite-containing composites were prepared by powder metallurgy method. The effect of graphite addition o......

本文叙述了钢球磨机大轴瓦运行中出现的问题，引进先进技术──轴承镶嵌固体润滑剂后，提高了球磨机大轴瓦运行的安全可靠性，取得了良好......