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本文着重对激光涂复层裂纹及其形成机理进行了研究，并分析探讨了涂复层裂纹倾向对其耐磨性的影响关系。为球墨铸铁激光涂复涂层材料的选择以及激光涂复工艺的制定提供实用性经验。
This paper focuses on the laser coating layer crack and its formation mechanism was studied and analyzed the coating layer crack tendency on the wear resistance of the relationship. The application of ductile iron laser coating coating material selection and laser coating process to provide practical experience.