A great amount of iron grinding balls in tube mills have been consumed. Under this impact abrasive wear working conditio......

利用冲击疲劳试验机，研究了稀土元素对高碳铬钢冲击疲劳性能的影响。结果表明：稀土与热处理复合作用，可加速钢状共晶碳化物向孤立的块......