نتایج جستجو برای: fatigue life etc
تعداد نتایج: 919570 فیلتر نتایج به سال:
objectives: improvement in cancer care increases life expectancy of patients with cancer, most of whom have experienced prolonged episodes of fatigue during and after their treatment. this has been found to reduce the quality of life and increase morbidity and mortality of such patients. therefore, additional interventions are beneficial to improve overall quality of life as well as longevity. ...
Nowdays, the prediction and prevention of fatigue failures is converted to one of the most concerns for industry owners. Since the processes of fatigue suddenly occur, it is most important and necessary to recognize the effective factors of fatigue life of structures. Mechanical and thermal multiple loading are the important factors of the fatigue failure. In order to appropriate fatigue design...
background: cancer is not merely an event with a certain end, but it is a permanent and vague situation that is determined by delayed effects due to the disease, its treatment and its related psychological issues. the aim of this study was to examine the effectiveness of the mindfulness-based stress reduction program and conscious yoga on the mental fatigue severity and life quality of women wi...
The fatigue behavior of Gray Cast Iron is affected to its microstructure, strength, ductility, residual stress and surface roughness etc.... In general, fatigue life increase as the magnitude of surface roughness decrease or the surface hardness increases by surface treatment. As the consequence of conducted high temperature oxidation in subsurface layer of cast iron pores have been creating, c...
This paper reviews the application of two analytical tools namely Artificial Neural Network (ANN) and Taguchi based design of experiment in the field of polymer matrix composite. These two tools are used extensively to predict the tool wear, fatigue life etc., during machining operation.
fatigue behavior of a vanadium microalloy steel has been studied in this research. here, microstructure constituents were considered which essentially are dependent on the heat treatment conditions. the results of high cycle fatigue tests revealed that heat treatment procedure and cooling rates have significant effects on fatigue properties. optimal heat treatment cycle of the microalloyed stee...
While HD per se is a life saving procedure, it cannot substitute for a healthy kidney, it taxes the patient and HD related fatigue symptoms significantly affect patients' quality and way of life as suggested by Muscle status is gravely affected with HD patients demonstrating severe atrophy, fat infiltration, and other anomalies (Sakkas et al., 2008b). Overall, HD patients exhibit low levels of ...
Nowdays, the prediction and prevention of fatigue failures is converted to one of the most concerns for industry owners. Since the processes of fatigue suddenly occur, it is most important and necessary to recognize the effective factors of fatigue life of structures. Mechanical and thermal multiple loading are the important factors of the fatigue failure. In order to appropriate fatigue design...
in this paper, three-dimensional modeling of the fatigue crack growth profiles was performed in a simple riveted lap joint. simulation results showed that mode i was dominated on the one side of the plates and the crack straightly grew on this side, while the other side of the plates was in a mixed-mode condition and the crack propagation path was not straight on this side. afterward, the fract...
abstract – aluminium 7075- t651 alloys are widely used in the production of light weight structures requiring a high strength to weight ratio and high corrosion resistance. the effect of processing parameters on fatigue life of 7075- t651 aluminium joints produced by friction stir welding was investigated in the present study. welding samples were made by employing rotating tool speed of 770, 9...
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