【摘要】 通过对策油浆换热器管板材料材质的化学成分、机械性能、金相组织的分析,管板断口的宏观分析和微观分析,以及断口的腐蚀产物分析,得出造成管板开裂的主要原因为硫化氢和水蒸气引起的应力腐蚀开裂。更多还原

【Abstract】 Through analyzing the chemical constitution, mechanical property, metallurgical structure of the tube-plate, both macro and micro structure of the tube-plate fracture,and the corrosion products of tube-plate fracture, a conclusion is drawn that it is the H2S and water vapor that cause stress corrosion fracture in tube-plate.更多还原