This paper analyzes the reason of failure of leaded bronze shaft sleeve that there are many concavepudde and pellet on its internal surface by opticalmetallograph and EPMA.
用光学金相和电子探针等分析手段，对铅青铜轴套内表面出现凹坑及碎粒造成磨损失效进行了分析，结果表明：铅青铜轴套中存在有数量较多、颗粒较大的氧化铁硬质点，在运转过程中易产生剥落，导致轴套内表面产生碎粒及凹坑，引起失
