Topic
Fatigue limit
About: Fatigue limit is a research topic. Over the lifetime, 20489 publications have been published within this topic receiving 305744 citations. The topic is also known as: endurance limit & fatigue strength.
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TL;DR: In this article, the fatigue properties of four high strength steels with same strength class but containing different inclusion sizes were investigated using an ultrasonic fatigue testing machine in the gigacycle fatigue regime.
129 citations
TL;DR: In this article, small fractions of a helical-ribbon carbon nanofiber (CNF) were added to an amine cured epoxy system and the resulting nanocomposites were tested to failure in two modes of testing; Mode I fracture toughness and constant amplitude of stress tension-tension fatigue.
129 citations
TL;DR: In this paper, the effect of cold spray coating in inducing residual stresses in the substrate and its effect on delaying crack initiation under cyclic loading have been studied on Al5052 alloy specimens.
129 citations
TL;DR: In this paper, the basic fatigue properties of materials (endurance limit, fatigue threshold and Paris law constants) are surveyed, inter-related and compared with static properties such as yield strength and modulus.
Abstract: The basic fatigue properties of materials (endurance limit, fatigue threshold and Paris law constants) are surveyed, inter-related and compared with static properties such as yield strength and modulus. The properties are presented in the form of Material Property Charts. The charts identify fundamental relationships between properties and, when combined with performance indices (which capture the performance-limiting grouping of material properties) provide a systematic basis for the optimal selection of materials in fatigue-limited design.
129 citations
TL;DR: In this paper, the effect of different temperature on off-axis fatigue strength is discussed. And the theoretical fatigue strength ratio can be defined as a non-dimensional effective stress based on the classical static failure theory.
Abstract: High-temperature off-axis fatigue behavior of unidirectional T800H/Epoxy composite has been studied. Effects of different temperature on off-axis fatigue strength are also discussed. Tension-tension fatigue tests are performed at room temperature and 100°C, respectively, on six kinds of off-axis plain coupon specimen. The absolute off-axis fatigue strengths are significantly reduced as the test temperature becomes higher. Irrespective of test temperature, almost linear S-N relationships are obtained for all off-axis angles over the range of fatigue life up to 106 cycles. Normalizing the maximum fatigue stress with respect to the static tensile strength at test temperature, the fatigue data for all off-axis angles eventually fall on a single S-N relationship. It is shown that a theoretical fatigue strength ratio can be defined as a non-dimensional effective stress based on the classical static failure theory and it succeeds in coping with the directional nature of off-axis fatigue strength. A fatigue damag...
129 citations