The test results of 27 specimens show that the bearing capacity of lapped continuous battens is related to the stiffness of overlapping part,bending moment,effective section modulus and so on.

• 在球铁基体上激光熔覆铁基合金,对多道搭接时激光熔池的凝固速率、"二次加热"效应以及熔体的对流行为对搭接熔覆层组织、成分、性能的影响进行了分析。