wearing test

基本解释

Through the process test, wearing test and microstructure observation and analysis, the convention performance of oxygen-acetylene flame spray welded layer is studied.
通过工艺试验、耐磨试验和显微组织观察分析，研究了氧-乙炔火焰喷焊层的常规性能。
Wearing test in laboratory and test in production show that service life of repaired parts is over two times longer than the new ones, and the work cost decreases by 49%-77%.
室内磨损试验及生产试验均证明了修复零件的使用寿命比新品提高一倍以上，作业成本降低49%-77%。
In this article we discussed the possibility of replacement of cobalt alloy by Cr-Ni iron Base alloy in drill bit bearing on the basis of welding test, wearing test and microscopic examination.
本文通过焊接试验、显微分析和磨损试验论述了以铬、镍、铁基合金代替钴、铬、钨合金作石油钻头牙爪堆焊耐磨合金的问题。