Physics, 26.06.2019 16:00 smokemicpot
On the same material as in the above problem, a fatigue loading is applied and the fatigue life is 1000 cycles. in each loading cycle, the material is first fully loaded and then fully unloaded. (a) what are the maximum stress, the minimum stress, the mean stress, the stress range (∆σ), the stress amplitude (s), and the r-raito? (b) we know that the fracture toughness of the material is 40 mpam1/2. what is the final fatigue crack length in the last loading-unloading cycle, cf? assume that the geometric factor y = 1.2.
Answers: 1
Physics, 22.06.2019 07:30
Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.
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Connie has $660,000 she wants to save. if the fdic insurance limit per depositor, per bank, is $250,000, which of these way is distributing her money between three banks will guarantee that all of her money is insured ?
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1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.
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The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.
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On the same material as in the above problem, a fatigue loading is applied and the fatigue life is 1...
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