Through the process test, wearingtest 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。
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Wearingtest 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%.
The roll disk wearing testing machine is used to study the wearability of alloy cast iron after laser melting. The test result shows that the wear weightlessness is reduced greatly.