Effect Of Size On Statistical Properties Of Fatigue Crack Propagation Process PDF Download
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Author | : A Tsurui |
Publisher | : |
Total Pages | : 15 |
Release | : 1989 |
Genre | : |
ISBN | : |
Download Effect of Size on Statistical Properties of Fatigue Crack Propagation Process Book in PDF, ePub and Kindle
Author | : E. Epremian |
Publisher | : |
Total Pages | : 746 |
Release | : 1952 |
Genre | : Iron |
ISBN | : |
Download Investigation of Statistical Nature of Fatigue Properties Book in PDF, ePub and Kindle
Extensive fatigue tests were made on annealed Armco iron and plain carbon and alloy steels heat-treated to different strengths and microstructures. Statistics of fatigue-fracture curves and endurance limits were determined from the experimental data obtained and, for various other materials, from a survey of literature. The results were analyzed to show the relative effects of various metallurgical factors on the statistical nature of fatigue properties. Other phases of the problem studied include: dependence of statistical variation in fatigue life on stress level in the fracture range, statistics for location of crack initiation, size effect, understressing effect, and the form and method of plotting the S-N diagram.
Author | : Henry O. Fuchs |
Publisher | : |
Total Pages | : 354 |
Release | : 1980-06-20 |
Genre | : Technology & Engineering |
ISBN | : |
Download Metal Fatigue in Engineering Book in PDF, ePub and Kindle
Applied Optimal Design Mechanical and Structural Systems Edward J. Haug & Jasbir S. Arora This computer-aided design text presents and illustrates techniques for optimizing the design of a wide variety of mechanical and structural systems through the use of nonlinear programming and optimal control theory. A state space method is adopted that incorporates the system model as an integral part of the design formulations. Step-by-step numerical algorithms are given for each method of optimal design. Basic properties of the equations of mechanics are used to carry out design sensitivity analysis and optimization, with numerical efficiency and generality that is in most cases an order of magnitude faster in digital computation than applications using standard nonlinear programming methods. 1979 Optimum Design of Mechanical Elements, 2nd Ed. Ray C. Johnson The two basic optimization techniques, the method of optimal design (MOD) and automated optimal design (AOD), discussed in this valuable work can be applied to the optimal design of mechanical elements commonly found in machinery, mechanisms, mechanical assemblages, products, and structures. The many illustrative examples used to explicate these techniques include such topics as tensile bars, torsion bars, shafts in combined loading, helical and spur gears, helical springs, and hydrostatic journal bearings. The author covers curve fitting, equation simplification, material properties, and failure theories, as well as the effects of manufacturing errors on product performance and the need for a factor of safety in design work. 1980 Globally Optimal Design Douglass J. Wilde Here are new analytic optimization procedures effective where numerical methods either take too long or do not provide correct answers. This book uses mathematics sparingly, proving only results generated by examples. It defines simple design methods guaranteed to give the global, rather than any local, optimum through computations easy enough to be done on a manual calculator. The author confronts realistic situations: determining critical constraints; dealing with negative contributions; handling power function; tackling logarithmic and exponential nonlinearities; coping with standard sizes and indivisible components; and resolving conflicting objectives and logical restrictions. Special mathematical structures are exposed and used to solve design problems. 1978
Author | : Tsuneshichi Tanaka |
Publisher | : Elsevier Science & Technology |
Total Pages | : 282 |
Release | : 1987 |
Genre | : Science |
ISBN | : |
Download Statistical Research on Fatigue and Fracture Book in PDF, ePub and Kindle
Author | : Enrique Castillo |
Publisher | : Springer Science & Business Media |
Total Pages | : 232 |
Release | : 2009-02-27 |
Genre | : Technology & Engineering |
ISBN | : 1402091826 |
Download A Unified Statistical Methodology for Modeling Fatigue Damage Book in PDF, ePub and Kindle
This book is an attempt to provide a uni?ed methodology to derive models for fatigue life. This includes S-N, ?-N and crack propagation models. This is not a conventional book aimed at describing the fatigue fundamentals, but rather a book in which the basic models of the three main fatigue approaches, the stress-based, the strain-based and the fracture mechanics approaches, are contemplated from a novel and integrated point of view. On the other hand, as an alternative to the preferential attention paid to deterministic models based on the physical, phenomenological and empirical description of fatigue, their probabilistic nature is emphasized in this book, in which stochastic fatigue and crack growth models are presented. This book is the result of a long period of close collaborationbetween its two authors who, although of di?erent backgrounds, mathematical and mechanical, both have a strong sense of engineering with respect to the fatigue problem. When the authors of this book ?rst approached the fatigue ?eld in 1982 (twenty six years ago), they found the following scenario: 1. Linear, bilinear or trilinear models were frequently proposed by relevant laboratoriesandacademiccenterstoreproducetheW ̈ ohler?eld. Thiswas the case of well known institutions, which justi?ed these models based on clientrequirementsorpreferences. Thisledtotheinclusionofsuchmodels and methods as, for example, the up-and-down, in standards and o?cial practical directives (ASTM, Euronorm, etc.), which have proved to be unfortunate.
Author | : S. J Hudak |
Publisher | : ASTM International |
Total Pages | : 374 |
Release | : 1981 |
Genre | : Aluminum alloys |
ISBN | : |
Download Fatigue Crack Growth Measurement and Data Analysis Book in PDF, ePub and Kindle
Author | : GC. Salivar |
Publisher | : |
Total Pages | : 8 |
Release | : 1988 |
Genre | : Analysis of variance |
ISBN | : |
Download Statistical Design of Fatigue Crack Growth Test Programs Book in PDF, ePub and Kindle
An experimental design method for determining statistically significant differences in fatigue crack growth rate data due to the influence of various test conditions (factors) is presented. This method is based on a completely randomized factorial design and a three-way classification Analysis of Variance (ANOVA) procedure. Although the example presented is for fatigue crack growth rate testing, this method is generic to any materials test program where comparisons of properties or behavior are made. The procedure allows decisions regarding these comparisons to be based on statistical tests of significance.
Author | : K.S. Ravichandran |
Publisher | : Elsevier |
Total Pages | : 511 |
Release | : 1999-09-30 |
Genre | : Technology & Engineering |
ISBN | : 0080569706 |
Download Small Fatigue Cracks Book in PDF, ePub and Kindle
This book contains the fully peer-reviewed papers presented at the Third Engineering Foundation Conference on Small Fatigue Cracks, held under the chairmanship of K.S. Ravichandran and Y. Murakami during December 6-11, 1998, at the Turtle Bay Hilton, Oahu, Hawaii. This book presents a state-of-the-art description of the mechanics, mechanisms and applications of small fatigue cracks by most of the world's leading experts in this field. Topics ranging from the mechanisms of crack initiation, small crack behavior in metallic, intermetallic, ceramic and composite materials, experimental measurement, mechanistic and theoretical models, to the role of small cracks in fretting fatigue and the application of small crack results to the aging aircraft and high-cycle fatigue problems, are covered.
Author | : Dieter Radaj |
Publisher | : Woodhead Publishing |
Total Pages | : 661 |
Release | : 2006-10-30 |
Genre | : Technology & Engineering |
ISBN | : 1845691881 |
Download Fatigue Assessment of Welded Joints by Local Approaches Book in PDF, ePub and Kindle
Local approaches to fatigue assessment are used to predict the structural durability of welded joints, to optimise their design and to evaluate unforeseen joint failures. This standard work provides a systematic survey of the principles and practical applications of the various methods. It covers the hot spot structural stress approach to fatigue in general, the notch stress and notch strain approach to crack initiation and the fracture mechanics approach to crack propagation. Seam-welded and spot-welded joints in structural steels and aluminium alloys are also considered.This completely reworked second edition takes into account the tremendous progress in understanding and applying local approaches which has been achieved in the last decade. It is a standard reference for designers, structural analysts and testing engineers who are responsible for the fatigue-resistant in-service behaviour of welded structures. Completely reworked second edition of a standard work providing a systematic survey of the principles and practical applications of the various methods Covers the hot spot structural stress approach to fatigue in general, the notch stress and notch strain approach to crack initiation and the fracture mechanics approach to crack propagation. Written by a distinguished team of authors
Author | : |
Publisher | : |
Total Pages | : 712 |
Release | : 1966 |
Genre | : Mechanics, Applied |
ISBN | : |
Download Applied Mechanics Reviews Book in PDF, ePub and Kindle