Abstract: A Dugdale-Barenblatt model is used to examine the effects of crack closure following a step increase in the applied cyclic loading. Complex function formulation is employed to calculate opening ...

Abstract: solidified coatings metallurgically bonded to AISI 1018 steel substrates were formed in situ by using a 10 kW continuous wave CO2 laser to melt a thin layer of the substrate as well as a powder mixture consisting of Fe...

Abstract: Ultrasonic imaging has become increasingly important as a diagnostic tool in medicine because it is noninvasive and it can provide valuable information otherwise unattainable. However, at present, ...

Abstract: In 1986, a large utility discovered a crack in its IP/LP steam turbine rotor and weld repair was chosen as the most cost-effective alternative. The repair consisted of severing the rotor ...

Abstract: Using the FEM program, the effects of geometry, residual stress and the elasticplastic behavior of material on the collapse strength of a tube is analyzed and the following results are obtained. ...

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Abstract: Recent papers describe that an airblast fuel atomizer is very effective for reducing emissions from a gas turbine and this type of fuel injector is being applied to practical engines. This ...

Abstract: Shape memory alloys (SMAs) are used in a wide variety of applications including medical stents, couplings, actuators, jointless monolithic structures for actuation and manipulation, etc. Due to ...