Distorsion,corrosion,erosion and abrasion mechanisms,concerning the faulty section,of the boiler s secondary superheater were studied by on-site measurements and by samples,cut from the tubes.
分别采取现场实测和割管取样2种方法对锅炉二次过热器的变形、腐蚀、冲刷

等主要失效机理进行了分析,并由此得出预防管子失效的对
。
般所谓惰性失真和切削失真同时分析讨论而获得
式,并且发现对二极管加适当的正偏压可以减小或消除失真。


