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论述了在铝活塞激光表面合金化中试线的研究。为了适应大生产的要求，对激光表面合金化工艺、设备的几个关键技术进行了研究，经激光处理的ＣＡ４９８ 活塞在柴油机上顺利通过６００ｈ 的台架试验。
The research on the test line of aluminum piston laser surface alloying is discussed. In order to meet the requirements of large-scale production, several key technologies of the laser surface alloying process and equipment were studied. The laser-processed CA498 piston successfully passed the 600h bench test on a diesel engine.