【摘要】 本文对抚顺电厂十号5万千瓦汽轮机喷嘴板螺栓断裂进行了分析。认为主要原因是螺栓在长期服役中受交变应力引起疲劳失效所致。过热蒸汽介质对疲劳失效有影响。并提出了螺栓在使用过程中的监督意见。更多还原

【Abstract】 The fractured bolt used in 50 MW turbine of Fushun power plant has been analyzed. It revealed that alternating stress in long time cause the bolt fatigue failure, meanwhile the failure process was also effected by superheating steam. Finally some methods for monitoring the bolts in service was proposed.更多还原