نتایج جستجو برای: cumulative fatigue
تعداد نتایج: 140244 فیلتر نتایج به سال:
The growth of slant cracks by fretting fatigue of a half plane in contact with a flat rounded pad was studied. The mode I and mode II stress intensity factors for cracks of various lengths and directions were calculated using the semi-analytical method of the distribution of dislocations, and their cumulative effect on the crack growth was investigated using the strain energy density criterion....
1.1 Background We live in a highly technological and information-oriented society. The use of computers in modern society is omnipresent. They are used for innumerable applications in various sizes and forms. Over the past 20 years, the personal computer has become widely used, both in the office and at home. People use computers to write documents, maintain databases, manage finances, draw dia...
• Low-cycle fatigue behaviour of nine advanced high-strength steels is studied. Cumulative strain energy density applied as indicator parameter. can successfully assess life. In this paper, the applicability cumulative explored a parameter for subjected to strain-controlled conditions. Firstly, cyclic stress–strain responses steels, selected from three multiphase families, encompassing differen...
Introduction: Recent studies have shown acute cardioprotective effects of cyclosporine. The aim of the present study was to determine the protective role of cyclosporine on the model simulated the rotational nodal arrhythmia (AVNRT) by using extracellular field potential recordings of isolated atrioventricular-node (AV-node) of rabbit. Methods: This study was performed on isolated double-per...
Reclaimed asphalt pavement (RAP) has been widely used in pavement. However, the fatigue performance of hot-mix (HMA) with RAP is a critical factor to ensure durability. In this study, tests using an Overlay Tester (OT) were conducted novel load-controlled mode. contents 0, 25% and 50%, respectively. cyclic loading, life energy parameters measured. Results indicated that decreased both fracture ...
BACKGROUND Cumulative low-back load is suggested to be associated with low back pain, possibly due to (micro-)fractures of spinal segments. Based on available in vitro data it can be assumed that, in order to predict spine segment failure from cumulative compressive loading, load magnitude should be weighted with an exponent higher than one, whereas the number of cycles should be weighted with ...
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