Three-Dimensional Analysis of Crack in Centrally Perforated Photoelastic Cylinders Under Internal Pressure PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
In this study, the frozen stress photoelastic method was used to investigate the three-dimensional effect on the crack growth behavior in a centrally perforated circular cylinder under internal pressure. The inner surface of the cylinder had a star shape, which consisted of six fins. The specimens were capped at the ends and pressurized internally above critical temperature after real cracks were introduced at the fin tip. After growing to a desired size, the pressure was reduced to stop crack growth and held through cooling. Two different types of cracks, part-through crack and long crack with the crack length nearly equal to the length of the cylinder, were considered. The experimental data were analyzed, and the results are discussed.
Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
In this study, the frozen stress photoelastic method was used to investigate the three-dimensional effect on the crack growth behavior in a centrally perforated circular cylinder under internal pressure. The inner surface of the cylinder had a star shape, which consisted of six fins. The specimens were capped at the ends and pressurized internally above critical temperature after real cracks were introduced at the fin tip. After growing to a desired size, the pressure was reduced to stop crack growth and held through cooling. Two different types of cracks, part-through crack and long crack with the crack length nearly equal to the length of the cylinder, were considered. The experimental data were analyzed, and the results are discussed.
Author: Publisher: ISBN: Category : Languages : en Pages : 17
Book Description
The objectives of this study were to (1) Investigate the Effect of Crack Geometry and Location on the Crack Growth Behavior in Centrally Perforated Cylinders under Internal Pressure. (2) Determine the Safety Factor for a Two-Dimensional Analysis of a Deep Part-Through crack.
Author: Publisher: ISBN: Category : Nuclear energy Languages : en Pages : 764
Book Description
NSA is a comprehensive collection of international nuclear science and technology literature for the period 1948 through 1976, pre-dating the prestigious INIS database, which began in 1970. NSA existed as a printed product (Volumes 1-33) initially, created by DOE's predecessor, the U.S. Atomic Energy Commission (AEC). NSA includes citations to scientific and technical reports from the AEC, the U.S. Energy Research and Development Administration and its contractors, plus other agencies and international organizations, universities, and industrial and research organizations. References to books, conference proceedings, papers, patents, dissertations, engineering drawings, and journal articles from worldwide sources are also included. Abstracts and full text are provided if available.
Author: National Aeronautics and Space Administration (NASA) Publisher: Createspace Independent Publishing Platform ISBN: 9781722458737 Category : Languages : en Pages : 34
Book Description
Crack propagation and closure behavior of thin, and thick middle crack tension specimens under constant amplitude loading were investigated using a three dimensional elastic plastic finite element analysis of fatigue crack propagation and closure. In the thin specimens the crack front closed first on the exterior (free) surface and closed last in the interior during the unloading portion of cyclic loading; a load reduced displacement technique was used to determine crack opening stresses at specified locations in the plate from the displacements calculated after the seven cycle. All the locations were on the plate external surface and were located near the crack tip, behind the crack tip, at the centerline of the crack. With this technique, the opening stresses at the specified points were found to be 0.52, 0.42, and 0.39 times the maximum applied stress. Chermahini, R. G. and Blom, Anders F. Unspecified Center NAG1-529...
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Author: Poh-Sang Lam
Author: Myron Abbott Cantor
Author: Yaoming Mi
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Author: JERRY WILLIAM SCHWEIKER
Author: Javier Pierola
Author: National Aeronautics and Space Administration (NASA)