2013•Turbine TechnologyRequires access

Fracture Analysis of 600MW Unit LPII Rotor Blade Ring Broken

Lou Yu-min, Epc Electric

Abstract

The fracture reason of the blade was analyzed by chemical composition analysis,mechanical properties test,metallurgical structure observation and fracture analysis.The result shows that the fracture mode is fatigue fracture.The source of the fatigue is mainly caused by the region of high stress of leaf crown connected with leaf body.The fatigue cracking lead to the fracture of the blade.

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Available abstract

Key concepts: Fracture (geology), Blade (archaeology), Cracking, Structural engineering, Stress (linguistics), Engineering, Rotor (electric), Materials science