نتایج جستجو برای: high cycle fatigue
تعداد نتایج: 2337290 فیلتر نتایج به سال:
• Size-effect strongly affects the VHCF of materials. A general rule for size-effect in could not be found this research. depends on material, manufacturing process and material cleanliness. The ODA/FGA size must taken into account when components are designed. Tests specimens with large risk-volumes recommended. It is well-known that fatigue failures originate from defects present within risk-...
Fatigue is one of the most common and a distressing side effect of cancer and its treatments. It can affect all aspects of patients’ life and leads to several other hardships. To determine fatigue intensity and it’s changing pattern among those suffering from cancer receiving chemotherapy, a descriptive longitudinal study was conducted. The principal method of data collection was a daily diary...
Noise induced hearing loss (NIHL) remains as a severe health problem worldwide. Existing noise metrics and modeling for evaluation of NIHL are limited on prediction of gradually developing NIHL (GDHL) caused by high-level occupational noise. In this study, we proposed two auditory fatigue based models, including equal velocity level (EVL) and complex velocity level (CVL), which combine the high...
Thermal fatigue of Cu interconnects 60 nm thick and 5–15 lm wide was investigated by using alternating current to generate cycling temperature and strain/stress. The fatigue curves exhibit two regions, i.e. highand low-cycle regions, which correspond to low and high thermal strains, respectively. The high-cycle region is found to be controlled by an unusual thermal fatigue mechanism of damage b...
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