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Stress Concentration Stress Intensity And Fatigue Lifetime Calculations For Shrink Fit Compound Tubes Containing Axial Perforations Within The Wall
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Book Synopsis Stress Concentration, Stress Intensity, and Fatigue Lifetime Calculations for Shrink-Fit Compound Tubes Containing Axial Perforations Within the Wall by :
Download or read book Stress Concentration, Stress Intensity, and Fatigue Lifetime Calculations for Shrink-Fit Compound Tubes Containing Axial Perforations Within the Wall written by and published by . This book was released on 1996 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elastic-plastic numerical stress analyses and fatigue lifetime predictions are presented for shrink-fit compound tubes containing multiple, axial holes at the interface between inner and outer tube. The holes, which are semicircular, are introduced initially as periodic notches on the outer surface of the inner tube and an outer plain tube is heated, slid over the inner tube, and allowed to cool to achieve the shrink-fit. Residual stresses resulting from interference and operational stress ranges arising from cyclic bere pressurization are calculated and fatigue lifetimes are predicted. Two potentially critical locations for fatigue failure are identified as the bere and the notch root. The predicted lifetimes are compared with earlier work on a similar overall geometry subjected to autofrettage. The critical location is shown to be at the bere and a clear improvement in overall fatigue lifetime is demonstrated for the shrink-fit tube compared with the autofrettaged tube. As the interface radius is reduced, there is a general reduction in the ratio of fatigue stress range at the bere to that at the hole and the possibility of the critical location moving to the notch root. A normalized presentation for design purposes is proposed.
Book Synopsis Fatigue and Fracture Mechanics by : John H. Underwood
Download or read book Fatigue and Fracture Mechanics written by John H. Underwood and published by ASTM International. This book was released on 1997 with total page 697 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress Concentration, Stress Intensity and Fatigue Lifetime Calculations for Shrink-Fit Compound Tubes Containing Axial Holes Within the Wall by : TJ. Bond
Download or read book Stress Concentration, Stress Intensity and Fatigue Lifetime Calculations for Shrink-Fit Compound Tubes Containing Axial Holes Within the Wall written by TJ. Bond and published by . This book was released on 1997 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elastic-plastic numerical stress analyses and fatigue lifetime predictions are presented for shrink-fit compound tubes containing multiple, axial holes at the interface between inner and outer tube. The holes, which are semi-circular, are introduced initially as periodic notches on the outer surface of the inner tube and an outer plain tube is heated, slid over the inner tube and allowed to cool to achieve the shrink-fit. Residual stresses resulting from interference and operational stress ranges arising from cyclic bore pressurization are calculated and fatigue lifetimes are predicted. Two potentially critical locations for fatigue failure are identified as the bore and the notch root. The predicted lifetimes are compared with earlier work on a similar overall geometry subjected to autofrettage. The critical location is shown to be at the bore and a clear improvement in overall fatigue lifetime is demonstrated for the shrink-fit tube compared with the autofrettaged tube. As the interface radius is reduced, there is a general reduction in the ratio of fatigue stress range at the bore to that at the hole and the possibility of the critical location moving to the notch root. A normalized presentation for design purposes is proposed.
Book Synopsis Stress Concentration, Stress Intensity, and Fatigue Lifetime Calculations in Autofrettaged Tubes Containing Axial Perforations Within the Wall by :
Download or read book Stress Concentration, Stress Intensity, and Fatigue Lifetime Calculations in Autofrettaged Tubes Containing Axial Perforations Within the Wall written by and published by . This book was released on 1997 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elastic, elastic-plastic, and experimental stress analyses and fatigue lifetime predictions are presented for thick cylinders containing multiple, axial holes within the wall. The holes are generally semi-elliptical (including semi-circular) and the cylinders are autofrettaged after introduction of the holes and are subsequently subjected to cyclic pressurization of the bore. Two potentially critical failure locations are identified; a fracture-mechanics based design methodology is proposed; elastic and elastic-plastic finite element (FE) analyses are undertaken. The elastic FE analysis predicts hoop stresses at the bore resulting from internal pressurization which are some 7% higher than those for the equivalent plain tube. For a given hole size and location and for nominal overstrains of 40% or greater, the residual compressive stress at the bore is reduced by approximately 15% below the value for a plain tube of the same radius ratio. Two experimental investigations are reported, one based upon X-ray diffraction, to measure residual stresses, and the other based upon radial tube slitting, to measure opening angle. They confirm most features of the residual stress profiles predicted from FE analysis, with the exception of high compressive residual stresses and stress gradients immediately adjacent to the hole boundaries. Appropriate use of the residual stress information permits prediction of tube lifetimes for cracks emanating from the bore and from the hole. For the geometry and loading under consideration, the more critical location is predicted to be the hole boundary, the lifetime for failures originating from this point being some 60% of the lifetime for cracks originating at the bore.
Download or read book Metals Abstracts written by and published by . This book was released on 1998 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fatigue Life Measurements and Analysis for Overstrained Tubes with Evacuator Holes by :
Download or read book Fatigue Life Measurements and Analysis for Overstrained Tubes with Evacuator Holes written by and published by . This book was released on 1995 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections of cannon tubes with inner radius of 53, 60, and 78 mm were cycled from near zero to 100 to 300 MPa internal pressure until fatigue failure occurred. The failure locations were along 2-mm holes cut through the cannon wall at a 30 deg angle to the tube axis, for the purpose of evacuating combustion gases from the cannon after firing. The cannons had various amount of autofrettage by overstraining including 0, 30, 50, and 100 percent. The amount of overstrain affected both the initiation position of the fatigue crack along the evacuator hole and the measured fatigue life. Increasing the amount of overstrain moved the crack initiation from the tube inner radius toward a mid- wall position and significantly increased fatigue life. Fracture mechanics and solid mechanics-based calculations of fatigue life were performed for comparison with the measured lives. The calculations gave a good description of the measured life, taking account of tube configuration, applied pressure, amount of overstrain, stress concentration of the hole. Crack size and shape, material fatigue crack rate behavior and yield strength, and pressure in the hole and on the crack surfaces. As with measured fatigue life, the calculated life was significantly affected by the amount of autofrettage of the tube. The ratio of outer-to-inner radius of the tube and the presence of pressure in the evacuator hole also had substantial effects on the calculated fatigue life. (MM).
Book Synopsis Stress Concentration Design Factors by : Rudolph Earl Peterson
Download or read book Stress Concentration Design Factors written by Rudolph Earl Peterson and published by . This book was released on 1953 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nordstjernen. Romaner og Noveller for Land og By, 1-4 by :
Download or read book Nordstjernen. Romaner og Noveller for Land og By, 1-4 written by and published by . This book was released on 1915 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On Fatigue Life Calculation in Thick-Walled Cylinders with Complex Residual Stresses by : PCT Chen
Download or read book On Fatigue Life Calculation in Thick-Walled Cylinders with Complex Residual Stresses written by PCT Chen and published by . This book was released on 1988 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: The large variation in stress intensity factors corresponding to various material models for a single, radial, straight-fronted crack in a pressurized, partially autofrettaged cylinder leads to a drastic difference in the fatigue life calculations. None of the calculated lives agree with the experimental results. Possible explanations of the discrepancy are given and corresponding correction factors are introduced. The calculated lives based on the corrected stress intensity factor ranges are reasonably close to a set of well-documented experimental results arrived at by Throop and Fujczak.
Book Synopsis Indexes to ... Publications by : American Society of Mechanical Engineers
Download or read book Indexes to ... Publications written by American Society of Mechanical Engineers and published by . This book was released on 1978 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Peterson's Stress Concentration Factors by : Walter D. Pilkey
Download or read book Peterson's Stress Concentration Factors written by Walter D. Pilkey and published by John Wiley & Sons. This book was released on 2020-01-07 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt: The bible of stress concentration factors—updated to reflect today's advances in stress analysis This book establishes and maintains a system of data classification for all the applications of stress and strain analysis, and expedites their synthesis into CAD applications. Filled with all of the latest developments in stress and strain analysis, this Fourth Edition presents stress concentration factors both graphically and with formulas, and the illustrated index allows readers to identify structures and shapes of interest based on the geometry and loading of the location of a stress concentration factor. Peterson's Stress Concentration Factors, Fourth Edition includes a thorough introduction of the theory and methods for static and fatigue design, quantification of stress and strain, research on stress concentration factors for weld joints and composite materials, and a new introduction to the systematic stress analysis approach using Finite Element Analysis (FEA). From notches and grooves to shoulder fillets and holes, readers will learn everything they need to know about stress concentration in one single volume. Peterson's is the practitioner's go-to stress concentration factors reference Includes completely revised introductory chapters on fundamentals of stress analysis; miscellaneous design elements; finite element analysis (FEA) for stress analysis Features new research on stress concentration factors related to weld joints and composite materials Takes a deep dive into the theory and methods for material characterization, quantification and analysis methods of stress and strain, and static and fatigue design Peterson's Stress Concentration Factors is an excellent book for all mechanical, civil, and structural engineers, and for all engineering students and researchers.
Book Synopsis Stress Concentration Factors by : Rudolph Earl Peterson
Download or read book Stress Concentration Factors written by Rudolph Earl Peterson and published by . This book was released on 2000 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Society Records by : American Society of Mechanical Engineers
Download or read book Society Records written by American Society of Mechanical Engineers and published by . This book was released on 1978 with total page 970 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applied Strength of Materials for Engineering Technology by : Barry Dupen
Download or read book Applied Strength of Materials for Engineering Technology written by Barry Dupen and published by Createspace Independent Publishing Platform. This book was released on 2018 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: This algebra-based text is designed specifically for Engineering Technology students, using both SI and US Customary units. All example problems are fully worked out with unit conversions. Unlike most textbooks, this one is updated each semester using student comments, with an average of 80 changes per edition.
Book Synopsis Compounding Stress Intensity Factors by : D. P. Rooke
Download or read book Compounding Stress Intensity Factors written by D. P. Rooke and published by Parthenon Publishing Group. This book was released on 1986 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On the calculation of fatigue strength at a stress concentration by Prof. H. Neuber by : Prof. H. Neuber
Download or read book On the calculation of fatigue strength at a stress concentration by Prof. H. Neuber written by Prof. H. Neuber and published by . This book was released on 1969 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fastener Design Manual by : Richard T. Barrett
Download or read book Fastener Design Manual written by Richard T. Barrett and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
