THERMO-MECHANICAL FATIGUE ANALYSIS OF A STEAM TURBINE SHAFT

Metallurgical fatigue failure analysis of the brazed steam turbine blade

In this paper, failure mechanism of a 17th stage blade of an 82.5 MW steam turbine that caused damage to the internal turbine compartment and the adjacent blade equipment has been studied. In order to determine the cause of failure and prevent similar events, various metallurgical and mechanical investigations including chemical composition analysis, metallography and microstructural analysis, ...

Metallurgical fatigue failure analysis of the brazed steam turbine blade

In this paper, failure mechanism of a 17th stage blade of an 82.5 MW steam turbine that caused damage to the internal turbine compartment and the adjacent blade equipment has been studied. In order to determine the cause of failure and prevent similar events, various metallurgical and mechanical investigations including chemical composition analysis, metallography and microstructural analysis, ...

Thermo-Mechanical Fatigue Life Assessment of a Diesel Engine Piston

Service-like Thermo-mechanical Fatigue Tests for the Lifetime Assessment of Turbine Components

A key requirement for modern power generation turbines is a flexible operating capability. One of the main objectives in the design optimization of modern plant is to reduce the time required to reach rated values of power generation during turbine start-up. Significant transient thermal stresses can lead to a complex creep-fatigue damage condition, which has to be evaluated in the lifetime ass...

Vibration analysis of a steam turbine blade

ABSTRACT Blade failure is a common problem of a steam turbine and it’s failure in-service results in safety risks, repair cost and non operational revenue losses. Thus, the reliability of these blades is very important for the successful operation of a steam turbine. Dynamic analysis of a steam turbine blade in computational environment is carried out in the present work. In order to gain physi...