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.

分别采取现和割管取样2种方法对锅炉二次过热器的变、腐蚀、冲刷与磨损等主要失效机理进行了分,此得出预防管子失效的对策。