Results 301 to 310 of about 508,360 (354)
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Mechanical Fatigue Limit for Rubber
Rubber Chemistry and Technology, 1966Abstract Investigations of the dynamic cut growth behavior of vulcanized rubbers indicate that there is a minimum tearing energy at which mechanical rupture of chains occurs. The limiting value is characteristic of each vulcanizate, but is in the region of 0.05 kg/cm.
G. J. Lake, P. B. Lindley
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Fatigue-Limit Effect on Variable-Amplitude Fatigue of Stiffeners
Journal of the Structural Division, 1979The effect of the constant-amplitude fatigue limit on the variable-amplitude fatigue life was determined experimentally. Tensile specimens with transverse stiffeners welded either automatically or manually were tested in such a way that, from one set of tests to another, an increasing number of cycles fell below the fatigue limit.
Pedro Albrecht, Ian M. Friedland
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Fatigue damage in polycrystalline copper below the fatigue limit
International Journal of Fatigue, 1994Abstract Surface fatigue damage was studied in polycrystalline copper cycled with constant plastic strain amplitudes below the fatigue limit. Fatigue damage in this interval of cyclic loading is manifested on the surface of the material as bands of localized cyclic slip: persistent slip bands.
J POLAK, A VASEK
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Fretting fatigue under variable loading below fretting fatigue limit
Fatigue & Fracture of Engineering Materials & Structures, 2006ABSTRACTThe fatigue limit diagram provides the critical condition of non‐failure against fatigue under constant amplitude loading. The fatigue limit diagram is usually considered to give the allowable stress if every stress component is kept within the fatigue limit diagram. In the case of variable amplitude fretting fatigue, however, this study showed
Y. KONDO +4 more
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The Limitations of Fatigue Testing
SAE Technical Paper Series, 2010<div class="section abstract"><div class="htmlview paragraph">Fatigue testing of components is used to validate new product designs as well as changes made to existing designs. On new designs it is common to initially test parts at the design stage (design verification or DV) and then again at the production stage (production verification ...
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Materials Science and Engineering, 1976
Abstract Recent studies of cyclic deformation in copper single crystals have identified the critical properties of persistent slip bands, known to be the sites of crack nucleation and Stage I propagation in fatigue. From this work, it is concluded that, for almost all metals and alloys, a particular stress and strain will be required to form ...
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Abstract Recent studies of cyclic deformation in copper single crystals have identified the critical properties of persistent slip bands, known to be the sites of crack nucleation and Stage I propagation in fatigue. From this work, it is concluded that, for almost all metals and alloys, a particular stress and strain will be required to form ...
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International Journal of Fatigue, 2012
Abstract The goal of this study was to confirm the presence of fatigue limit in a plain specimen of a new precipitation-hardened aluminium alloy. The alloy was fabricated by adding 0.53% excess Mg to the standard 6061-T6 aluminium alloy with a balanced Mg 2 Si composition.
Lei Zeng +5 more
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Abstract The goal of this study was to confirm the presence of fatigue limit in a plain specimen of a new precipitation-hardened aluminium alloy. The alloy was fabricated by adding 0.53% excess Mg to the standard 6061-T6 aluminium alloy with a balanced Mg 2 Si composition.
Lei Zeng +5 more
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2015
S’il est démontré que la rupture par fatigue peut se produire au-delà de 10^10 cycles, la question de la crédibilité de la notion de limite de fatigue normalisée se pose tant du point de vue pratique que fondamental.Après un état de l'art sur la fatigue gigacyclique des alliages industriels, cet ouvrage compile les résultats les plus récents sur cette ...
Claude Bathias, Rubén Pérez Mora
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S’il est démontré que la rupture par fatigue peut se produire au-delà de 10^10 cycles, la question de la crédibilité de la notion de limite de fatigue normalisée se pose tant du point de vue pratique que fondamental.Après un état de l'art sur la fatigue gigacyclique des alliages industriels, cet ouvrage compile les résultats les plus récents sur cette ...
Claude Bathias, Rubén Pérez Mora
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Fatigue limits of steels and stress gradient*
Strength of Materials, 2011Based on generalizing the results of numerous experimental investigations, the empirical relationships between the fatigue limit of steels and the stress gradient are proposed and justified, which take into account the fatigue damage behavior of smooth specimens and specimens with stress concentrators.
Troshchenko, V.T., Khamaza, L.A.
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Gradient Dependent Fatigue Limit Criterion
1999Experimental evidence has shown that the fatigue limit of metallic cylindrical specimens in fully reversed bending is significantly higher than the respective limit in fully reversed tension-compression. The higher values of the bending fatigue limits observed have to be attributed to the benign influence of the gradient of the bending normal stress on
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