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1992
Probably the greatest proportion of failures of components or structures in service can be ascribed to failure by fatigue. This is a type of failure caused by the action of varying stresses below the short-term static tensile or torsional strength of the material.
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Probably the greatest proportion of failures of components or structures in service can be ascribed to failure by fatigue. This is a type of failure caused by the action of varying stresses below the short-term static tensile or torsional strength of the material.
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Annals of Physics, 1993
Engineering design and safety standards for estimating fatigue life are based in part on the Manson-Coffin relations between the width of stress- strain hysteresis loops and the number of loading cycles required to produce failure in test pieces. Experimental and theoretical results show that this relation can be extended into a simple phenomenological
Erber, T. +2 more
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Engineering design and safety standards for estimating fatigue life are based in part on the Manson-Coffin relations between the width of stress- strain hysteresis loops and the number of loading cycles required to produce failure in test pieces. Experimental and theoretical results show that this relation can be extended into a simple phenomenological
Erber, T. +2 more
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2001
Fatigue consists of the cycling loading of a structure over time, that is loading and unloading. Thus, the new aspect introduced is the unloading, which suppresses proportional loading at the crack tip and leads to the accumulation of residual stresses after unloading.
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Fatigue consists of the cycling loading of a structure over time, that is loading and unloading. Thus, the new aspect introduced is the unloading, which suppresses proportional loading at the crack tip and leads to the accumulation of residual stresses after unloading.
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Nursing Clinics of North America, 2012
The number of false high alarms in the hospital setting remains a serious problem. False alarms have desensitized care providers and, at times, have led to dire consequences for patients. Efforts by both industry and clinicians are beginning to address this situation in collaborative approaches.
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The number of false high alarms in the hospital setting remains a serious problem. False alarms have desensitized care providers and, at times, have led to dire consequences for patients. Efforts by both industry and clinicians are beginning to address this situation in collaborative approaches.
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Sports Medicine, 2009
Physical exercise affects the equilibrium of the internal environment. During exercise the contracting muscles generate force or power and heat. So physical exercise is in fact a form of mechanical energy. This generated energy will deplete the energy stocks within the body.
Wim, Ament, Gijsbertus J, Verkerke
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Physical exercise affects the equilibrium of the internal environment. During exercise the contracting muscles generate force or power and heat. So physical exercise is in fact a form of mechanical energy. This generated energy will deplete the energy stocks within the body.
Wim, Ament, Gijsbertus J, Verkerke
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Journal of Applied Physiology, 2008
The present review addresses mechanisms of importance for hyperthermia-induced fatigue during short intense activities and prolonged exercise in the heat. Inferior performance during physical activities with intensities that elicit maximal oxygen uptake is to a large extent related to perturbation of the cardiovascular function, which eventually ...
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The present review addresses mechanisms of importance for hyperthermia-induced fatigue during short intense activities and prolonged exercise in the heat. Inferior performance during physical activities with intensities that elicit maximal oxygen uptake is to a large extent related to perturbation of the cardiovascular function, which eventually ...
openaire +3 more sources