[PDF] Top 20 On creep fatigue interaction of components at elevated temperature

... of creep-fatigue interaction is an important issue for industrial components operating with large cyclic thermal and mechanical ...of creep fatigue interaction is proposed ... See full document

... piping components used in Primary Heat Transport (PHT) piping system at elevated temperature, experimental investigations were carried out on two carbon steel pipes and one elbow at an ... See full document

... Different instrumentations are mounted on test configurations for monitoring and recording different experimental results like total applied load, CMOD, LLD, crack growth, strains, etc. The inbuilt strain gauge based ... See full document

... on temperature, environmental medium and load frequency ...test temperature below 550°C are shown because we have found that at higher temperatures a relevant interaction of creep and ... See full document

... Application of the autofrettage processes has become a useful tool of increasing the fatigue resistance for many high pressure components working in dynamic conditions. Nowadays, several types of ... See full document

... high temperature and pressure in operation. Mechanical components comprising the combustion chamber are cylinder liner, piston crown, and ...the creep are known issues in these components [22, ... See full document

... turbomachinery components which are subjected to simultaneous thermal and structural loading the life prediction plays an important role to avoid a catastrophic ...thermo-mechanical fatigue failure of last ... See full document

... on creep-fatigue interaction life consumption of the low pressure turbine blades is considered ...engine components is expressed in terms of degradation scaling factors or health parameter ... See full document

... Whilst the applied stress and instantaneous crack length are usually considered in the form of stress inten- sity factor range, the role of a characteristic fracture strain has not been well explored (Zhao & Tong ... See full document

... high temperature load is ...high temperature is complex, and hence it is difficult to have a clear understanding of the structural responses, especially when fatigue and creep damages become ... See full document

... to creep [1] [2] [3]. Although, creep might be the most dominant mode of failure, but if gas turbines are operated and shut down often, in some cases daily, fatigue failure will equally set in [4] ... See full document

... high temperature – creep fatigue ...the creep stress and cyclically enhanced creep strain during the dwell period for the assessment of the creep damage, and also creep ... See full document

... Application of the autofrettage processes has become a useful tool of increasing the fatigue resistance for many high pressure components working in dynamic conditions. Nowadays, several types of ... See full document

... dustry components 8, 9 ...accurate creep damage modelling were conducted 10-14 by implementing the Continuum Damage Mechanics (CDM) approach in finite element ...the creep-fatigue ... See full document

... engineering components operating at high temperature, creep lifetime can be significantly reduced when a cyclic mechanical loading is superimposed in the creep ...pure fatigue, ... See full document

... high temperature assessment procedures address creep-fatigue crack initiation in initially defect-free ...estimating creep damage; and, the inclusion of size effects in fatigue damage ... See full document

... Creep-fatigue interaction (CFI) testing is generally carried out by imposing strain hold in continuous cycle fatigue either in tension or compression or ...to creep damage in the ... See full document

... rotating components is the key for successful operation of any ...Metal fatigue is a process which causes premature failure or damage of a component subjected to repeated ...the fatigue process can ... See full document

... Structural components used at high temperature must be properly designed to prevent crack initiation during a specified operation period due to creep-fatigue damage with appropriate safety ... See full document

... high-temperature creep resisting materials, as well as methods of shaping of microstructure and properties of steels and cast steels through heat ... See full document