Cold dwell fatigue is the critical technological issue in Ti alloys used in the cooler front sections of aerospace jet engines.When subjected to a sustained load(stress dwell),the lifetime of these Ti components can b...Cold dwell fatigue is the critical technological issue in Ti alloys used in the cooler front sections of aerospace jet engines.When subjected to a sustained load(stress dwell),the lifetime of these Ti components can be drastically reduced by as much as an order of magnitude[1–4].Without a clear understanding of the effect,safety concerns are raised.展开更多
基金the EPSRC through the HexMat programme grant(EP/K034332/1)the Diamond Light Source for beam time under experiment EE17222+2 种基金use of characterisation facilities within the David Cockayne Centre for Electron Microscopy,Department of Materials,University of Oxford,which has benefitted from financial support provided by the Henry Royce Institute(Grant ref EP/R010145/1)the financial support of China Scholarship Council(CSC)ET acknowledges EPSRC for support through Fellowship grant(EP/N007239/1)。
文摘Cold dwell fatigue is the critical technological issue in Ti alloys used in the cooler front sections of aerospace jet engines.When subjected to a sustained load(stress dwell),the lifetime of these Ti components can be drastically reduced by as much as an order of magnitude[1–4].Without a clear understanding of the effect,safety concerns are raised.
