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Determination Of Fatigue Limit Between 105 And 109 Cycles Using An Ultrasonic Fatigue Device
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Book Synopsis Determination of Fatigue Limit Between 105 and 109 Cycles Using an Ultrasonic Fatigue Device by : C. Bathias
Download or read book Determination of Fatigue Limit Between 105 and 109 Cycles Using an Ultrasonic Fatigue Device written by C. Bathias and published by . This book was released on 1993 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-power ultrasound was used to study fatigue behavior of three alloys (Udimet 500, 17-4PH, and Ti-6A1-4V) since the loading frequency is very high (f = 20 kHz) and a great number of cycles can be obtained in a short time. The specimens were excited in resonance at the first longitudinal mode in such a way that maximum strain occurred in the middle and maximum displacement amplitude was obtained at the end of the specimen. Fatigue life behavior of the three alloys were investigated at ultrasonic (/ = 20 kHz) and conventional loading frequency (f = 20 to 50 Hz). Miniature dynamic strain gages were employed to measure maximum strain values during ultrasonic fatigue tests. The effect of high strain rate on fatigue crack initiation and propagation failure mechanism was examined. Fracture surface of specimens was observed by means of a scanning electron microscope. Fatigue resistance was found to depend upon ultrasonic and mechanical characteristics and microstructure of the material, loading regime, and surface condition of the specimen.
Book Synopsis Advances in Fatigue Lifetime Predictive Techniques, Second Volume by : Michael R. Mitchell
Download or read book Advances in Fatigue Lifetime Predictive Techniques, Second Volume written by Michael R. Mitchell and published by ASTM International. This book was released on 1993 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gigacycle Fatigue in Mechanical Practice by : Claude Bathias
Download or read book Gigacycle Fatigue in Mechanical Practice written by Claude Bathias and published by CRC Press. This book was released on 2004-09-13 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by pioneers in the study and analysis of very high cycle fatigue this text brings together the most recent findings on gigacycle fatigue phenomena, focusing on improving the reliability and performance of key engine and machine components. This reference reflects the explosion of new concepts, testing methods, and data on very high cycle fa
Book Synopsis Fatigue of Materials and Structures by : Claude Bathias
Download or read book Fatigue of Materials and Structures written by Claude Bathias and published by John Wiley & Sons. This book was released on 2013-03-04 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of mechanical structures with predictable and improved durability cannot be achieved without a thorough understanding of the mechanisms of fatigue damage and more specifically the relationships between the microstructure of materials and their fatigue properties. Written by leading researchers in the field, this book, along with the complementary books Fatigue of Materials and Structures: Fundamentals and Application to Damage and Design (both also edited by Claude Bathias and André Pineau), provides an authoritative, comprehensive and unified treatment of the mechanics and micromechanisms of fatigue in metals, polymers and composites. Each chapter is devoted to one of the major classes of materials or to different types of fatigue damage, thereby providing overall coverage of the field. This book deals with multiaxial fatigue, thermomechanical fatigue, fretting-fatigue, influence of defects on fatigue life, cumulative damage and damage tolerance, and will be an important and much used reference for students, practicing engineers and researchers studying fracture and fatigue in numerous areas of materials science and engineering, mechanical, nuclear and aerospace engineering.
Author :Christian Rudolf Sohar Publisher :Springer Science & Business Media ISBN 13 :3642216463 Total Pages :234 pages Book Rating :4.6/5 (422 download)
Book Synopsis Lifetime Controlling Defects in Tool Steels by : Christian Rudolf Sohar
Download or read book Lifetime Controlling Defects in Tool Steels written by Christian Rudolf Sohar and published by Springer Science & Business Media. This book was released on 2011-08-12 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis Christian Sohar describes his investigation into the gigacycle fatigue behavior of tool steels. In an interdisciplinary approach he uses knowledge and methods from a wide variety of disciplines including materials science, metallurgy, chemistry, physics and mechanical engineering. Christian gives a general introduction into steel tools and fatigue in materials. Later he extensively discusses the experimental techniques and results. Indeed it is the detail of the content in this thesis which makes it an invaluable resource for students entering the field and scientists working in related disciplines. Overall, the thesis helps us understand more about the mechanical behavior of metallic materials with complex microstructure and high hardness.
Book Synopsis Materials and Product Technologies by : Zhi Yun Shen
Download or read book Materials and Product Technologies written by Zhi Yun Shen and published by Trans Tech Publications Ltd. This book was released on 2008-06-12 with total page 950 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume is indexed by Thomson Reuters CPCI-S (WoS). This collection comprises 130 selected peer-reviewed papers which address a number of scientific issues underlying the increased global attention paid to mechanical product performance and reliability. Contributions were received from researchers in 8 different countries. The collection aims to report the latest experimental findings and to promote further theoretical research into mechanical product development and reliability.
Book Synopsis Ultrasonic Fatigue Testing of Ti-6Al-4V by : RJ. Morrissey
Download or read book Ultrasonic Fatigue Testing of Ti-6Al-4V written by RJ. Morrissey and published by . This book was released on 2005 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this research was to investigate the high cycle fatigue behavior of a titanium alloy using an ultrasonic fatigue system. Fatigue testing up to one billion cycles under fully reversed loading conditions was performed to determine the ultra-high cycle fatigue behavior of Ti-6Al-4V. Endurance limit results were compared to similar data generated on conventional servohydraulic test systems and electromagnetic shaker systems to determine if there are any frequency effects. In addition, specimens were tested with and without cooling air to determine the effects of temperature on the fatigue behavior. Results indicate that the fatigue strength determined from ultrasonic testing was consistent with conventional testing. However, preliminary results indicate that cooling air may increase the fatigue limit stress at very long lives.
Book Synopsis Ultrasonic Fatigue by : Joseph M. Wells
Download or read book Ultrasonic Fatigue written by Joseph M. Wells and published by . This book was released on 1982 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ultrasonics International 1975 by : L. J. I. Browne
Download or read book Ultrasonics International 1975 written by L. J. I. Browne and published by . This book was released on 1975 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Manual on Fatigue Testing by : American Society for Testing Materials. Committee E-9 on Fatigue
Download or read book Manual on Fatigue Testing written by American Society for Testing Materials. Committee E-9 on Fatigue and published by . This book was released on 1949 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Introduction to Unified Mechanics Theory with Applications by : Cemal Basaran
Download or read book Introduction to Unified Mechanics Theory with Applications written by Cemal Basaran and published by Springer Nature. This book was released on 2021-02-02 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text describes the mathematical formulation and proof of the unified mechanics theory (UMT) which is based on the unification of Newton’s laws and the laws of thermodynamics. It also presents formulations and experimental verifications of the theory for thermal, mechanical, electrical, corrosion, chemical and fatigue loads, and it discusses why the original universal laws of motion proposed by Isaac Newton in 1687 are incomplete. The author provides concrete examples, such as how Newton’s second law, F = ma, gives the initial acceleration of a soccer ball kicked by a player, but does not tell us how and when the ball would come to a stop. Over the course of Introduction to Unified Mechanics Theory, Dr. Basaran illustrates that Newtonian mechanics does not account for the thermodynamic changes happening in a system over its usable lifetime. And in this context, this book explains how to design a system to perform its intended functions safely over its usable life time and predicts the expected lifetime of the system without using empirical models, a process currently done using Newtonian mechanics and empirical degradation/failure/fatigue models which are curve-fit to test data. Written as a textbook suitable for upper-level undergraduate mechanics courses, as well as first year graduate level courses, this book is the result of over 25 years of scientific activity with the contribution of dozens of scientists from around the world including USA, Russia, Ukraine, Belarus, Spain, China, India and U.K.
Book Synopsis Relation Between Endurance Limits and Thresholds in the Field of Gigacycle Fatigue by : C. Bathias
Download or read book Relation Between Endurance Limits and Thresholds in the Field of Gigacycle Fatigue written by C. Bathias and published by . This book was released on 2000 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to predict fatigue crack propagation at very long life a piezoelectric fatigue machine was built in our laboratory. This device is able to fail specimen at 1010 cycles and to determine thresholds up to 109 mm/cycle. The originality of this machine resides in the possibility to apply simultaneously to a specimen a constant tension effect and longitudinal ultrasonic vibratory effort with adjustable amplitude. That is to say, the R ratio can be varied from -1 to 0.9.
Book Synopsis A Study of Accelerated Fatigue Testing by : Prafulla Kumar Das
Download or read book A Study of Accelerated Fatigue Testing written by Prafulla Kumar Das and published by . This book was released on 1963 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Note written by and published by . This book was released on 1965 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fracture of Nano and Engineering Materials and Structures by : E.E. Gdoutos
Download or read book Fracture of Nano and Engineering Materials and Structures written by E.E. Gdoutos and published by Springer Science & Business Media. This book was released on 2008-01-08 with total page 1452 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 16th European Conference of Fracture (ECF16) was held in Greece, July, 2006. It focused on all aspects of structural integrity with the objective of improving the safety and performance of engineering structures, components, systems and their associated materials. Emphasis was given to the failure of nanostructured materials and nanostructures including micro- and nano-electromechanical systems (MEMS and NEMS).
Book Synopsis A Guide for Fatigue Testing and the Statistical Analysis of Fatigue Data by : ASTM Committee E-9 on Fatigue
Download or read book A Guide for Fatigue Testing and the Statistical Analysis of Fatigue Data written by ASTM Committee E-9 on Fatigue and published by . This book was released on 1964 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ultrasonic Technique for Detection and Measurement of Fatigue Cracks by : Stanley J. Klima
Download or read book Ultrasonic Technique for Detection and Measurement of Fatigue Cracks written by Stanley J. Klima and published by . This book was released on 1965 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
