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Acoustic Emission Under Applied Stress
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Book Synopsis Acoustic Emission Under Applied Stress by : B. H. Schofield
Download or read book Acoustic Emission Under Applied Stress written by B. H. Schofield and published by . This book was released on 1964 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report concerns specific investigation undertaken to assess the role of the surface oxide layer in the generation of acoustic pulses in metals, i.e., acoustic emission. Experiments were conducted on single crystals of aluminum of different crystallographic orientation. The specimens were pulled in tension both in atmosphere and exposed to etchant solutions. Results demonstrated the oxide layer is not itself an emission source and that the emission characteristics are significantly modified as a result of the influence of the oxide on the deformation behavior of the specimens. Specific observations suggest the operative mechanism of emission generation and the importance of the role played by the surface condition in the deformation of metals.
Book Synopsis Acoustic Emission Under Applied Stress by : B. H. Schofield
Download or read book Acoustic Emission Under Applied Stress written by B. H. Schofield and published by . This book was released on 1963 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report concerns specific investigation undertaken to assess the role of the surface oxide layer in the generation of acoustic pulses in metals, i.e., acoustic emission. Experiments were conducted on single crystals of aluminum of different crystallographic orientation. The specimens were pulled in tension both in atmosphere and exposed to etchant solutions. Results demonstrated the oxide layer is not itself an emission source and that the emission characteristics are significantly modified as a result of the influence of the oxide on the deformation behavior of the specimens. Specific observations suggest the operative mechanism of emission generation and the importance of the role played by the surface condition in the deformation of metals.
Book Synopsis Acoustic Emission Under Applied Stress by : B. H. Schofield
Download or read book Acoustic Emission Under Applied Stress written by B. H. Schofield and published by . This book was released on 1979 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Acoustic Emission Testing by : Christian U. Grosse
Download or read book Acoustic Emission Testing written by Christian U. Grosse and published by Springer Science & Business Media. This book was released on 2008-07-12 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acoustic Emission (AE) techniques have been studied in civil engineering for a long time. The techniques are recently going to be more and more applied to practical applications and to be standardized in the codes. This is because the increase of aging structures and disastrous damages due to recent earthquakes urgently demand for maintenance and retrofit of civil structures in service for example. It results in the need for the development of advanced and effective inspection techniques. Thus, AE techniques draw a great attention to diagnostic applications and in material testing. The book covers all levels from the description of AE basics for AE beginners (level of a student) to sophisticated AE algorithms and applications to real large-scale structures as well as the observation of the cracking process in laboratory specimen to study fracture processes.
Book Synopsis Structural Health Monitoring Damage Detection Systems for Aerospace by : Markus G. R. Sause
Download or read book Structural Health Monitoring Damage Detection Systems for Aerospace written by Markus G. R. Sause and published by Springer Nature. This book was released on 2021 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book presents established methods of structural health monitoring (SHM) and discusses their technological merit in the current aerospace environment. While the aerospace industry aims for weight reduction to improve fuel efficiency, reduce environmental impact, and to decrease maintenance time and operating costs, aircraft structures are often designed and built heavier than required in order to accommodate unpredictable failure. A way to overcome this approach is the use of SHM systems to detect the presence of defects. This book covers all major contemporary aerospace-relevant SHM methods, from the basics of each method to the various defect types that SHM is required to detect to discussion of signal processing developments alongside considerations of aerospace safety requirements. It will be of interest to professionals in industry and academic researchers alike, as well as engineering students. This article/publication is based upon work from COST Action CA18203 (ODIN - http://odin-cost.com/), supported by COST (European Cooperation in Science and Technology). COST (European Cooperation in Science and Technology) is a funding agency for research and innovation networks. Our Actions help connect research initiatives across Europe and enable scientists to grow their ideas by sharing them with their peers. This boosts their research, career and innovation.
Book Synopsis Acoustic Emission Under Applied Stress by : R. A. Bareiss
Download or read book Acoustic Emission Under Applied Stress written by R. A. Bareiss and published by . This book was released on 1958 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Acoustic Emission by : Sotirios J. Vahaviolos
Download or read book Acoustic Emission written by Sotirios J. Vahaviolos and published by ASTM International. This book was released on 1972 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Acoustic Emission written by R. G. Liptai and published by ASTM International. This book was released on 1972 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Use of Acoustic Emission in Nondestructive Testing by : Julian Ross Frederick
Download or read book Use of Acoustic Emission in Nondestructive Testing written by Julian Ross Frederick and published by . This book was released on 1972 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: A model based on the activation of dislocation sources was developed for predicting the effect of microstructure on acoustic emission. The model predicts a minimum dislocation source length and slip distance below which no emission will be detected. Experimental results obtained on various metals and alloys having different microstructures substantiate the model. The effect of grain size on the acoustic emission from 99.99% aluminum and 99.9% copper suggests that macroscopic yielding in these metals occurs with the help of dislocation pile-ups that have been held up by grain boundaries and that the emission results from the activation of dislocation sources near the grain boundaries. Experimental results obtained under conditions of very low background noise level show that some metals produce acoustic emission when the applied load is removed. The amount of emission that is observed correlates with the magnitude of the Bauschinger effect in the metal. In those metals that show an 'unload' acoustic emission effect there is the possibility of using it to investigate the magnitude of the residual stress in a specimen. Creep and fatigue phenomena can also be studied by the use of acoustic emission. (Author Modified Abstract).
Book Synopsis Acoustic Emission and Durability of Composite Materials by : Nathalie Godin
Download or read book Acoustic Emission and Durability of Composite Materials written by Nathalie Godin and published by John Wiley & Sons. This book was released on 2018-05-08 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, two kinds of analysis based on acoustic emission recorded during mechanical tests are investigated. In the first, individual, analysis, acoustic signature of each damage mechanism is characterized. So with a clustering method, AE signals that have similar shapes or similar features can be group together into a cluster. Afterwards, each cluster can be linked with a main damage. The second analysis is based on a global AE analysis, on the investigation of liberated energy, with a view to identify a critical point. So beyond this characteristic point, the criticality can be modeled with a power-law in order to evaluate time to failure.
Book Synopsis Martensitic Transformation by : Zenji Nishiyama
Download or read book Martensitic Transformation written by Zenji Nishiyama and published by Elsevier. This book was released on 2012-12-02 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: Martensitic Transformation examines martensitic transformation based on the known crystallographical data. Topics covered range from the crystallography of martensite to the transformation temperature and rate of martensite formation. The conditions for martensite formation and stabilization of austenite are also discussed, along with the crystallographic theory of martensitic transformations. Comprised of six chapters, this book begins with an introduction to martensite and martensitic transformation, with emphasis on the basic properties of martensite in steels such as carbon steels. The next two chapters deal with the crystallography of martensite and discuss the martensitic transformation behavior of the second-order transition; lattice imperfections in martensite; and close-packed layer structures of martensites produced from ? phase in noble-metal-base alloys. Thermodynamical problems and kinetics are also analysed, together with conditions for the nucleation of martensite and problems concerning stabilization of austenite. The last chapter discusses the theory of the mechanism underlying martensitic transformation. This monograph will be of interest to metallurgists and materials scientists.
Book Synopsis Monitoring Structural Integrity by Acoustic Emission by :
Download or read book Monitoring Structural Integrity by Acoustic Emission written by and published by ASTM International. This book was released on 1975 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Acoustic Emission and Acousto-ultrasonic Techniques for Wood and Wood-based Composites by : Sumire Kawamoto
Download or read book Acoustic Emission and Acousto-ultrasonic Techniques for Wood and Wood-based Composites written by Sumire Kawamoto and published by . This book was released on 2002 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Non-Destructive Evaluation (NDE) of Polymer Matrix Composites by : Vistasp M. Karbhari
Download or read book Non-Destructive Evaluation (NDE) of Polymer Matrix Composites written by Vistasp M. Karbhari and published by Elsevier. This book was released on 2013-06-30 with total page 729 pages. Available in PDF, EPUB and Kindle. Book excerpt: The increased use of polymer matrix composites in structural applications has led to the growing need for a very high level of quality control and testing of products to ensure and monitor performance over time. Non-destructive evaluation (NDE) of polymer matrix composites explores a range of NDE techniques and the use of these techniques in a variety of application areas.Part one provides an overview of a range of NDE and NDT techniques including eddy current testing, shearography, ultrasonics, acoustic emission, and dielectrics. Part two highlights the use of NDE techniques for adhesively bonded applications. Part three focuses on NDE techniques for aerospace applications including the evaluation of aerospace composites for impact damage and flaw characterisation. Finally, the use of traditional and emerging NDE techniques in civil and marine applications is explored in part four.With its distinguished editor and international team of expert contributors, Non-destructive evaluation (NDE) of polymer matrix composites is a technical resource for researchers and engineers using polymer matrix composites, professionals requiring an understanding of non-destructive evaluation techniques, and academics interested in this field. - Explores a range of NDE and NDT techniques and considers future trends - Examines in detail NDE techniques for adhesively bonded applications - Discusses NDE techniques in aerospace applications including detecting impact damage, ultrasonic techniques and structural health monitoring
Book Synopsis Fault Mechanics and Transport Properties of Rocks by : Brian Evans
Download or read book Fault Mechanics and Transport Properties of Rocks written by Brian Evans and published by Academic Press. This book was released on 1992-08-04 with total page 549 pages. Available in PDF, EPUB and Kindle. Book excerpt: This festschrift, compiled from the symposium held in honor of W.F. Brace, is a timely overview of fault mechanics and transport properties of rock. State-of-the-art research is presented by internationally recognized experts, who highlight developments in this contemporary area of study subsequent to Bill Brace's pioneering work.Key Features* The strength of brittle rocks* The effects of stress and stress-induced damage on physical properties of rock* Permeability and fluid flow in rocks* The strength of rocks and tectonic processes
Book Synopsis Acoustic Emission by : Wolfgang Sachse
Download or read book Acoustic Emission written by Wolfgang Sachse and published by ASTM International. This book was released on 1991 with total page 447 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers presented at the symposium held in Charlotte, NC, March 1989, examine the phenomenon in which elastic or stress waves are emitted from a rapid, localized change of strain energy in a material. The first section focuses on AE sensors and systems. The second deals with fundamental investigation
Book Synopsis Mechanics of Nondestructive Testing by : Stinchcomb
Download or read book Mechanics of Nondestructive Testing written by Stinchcomb and published by Springer. This book was released on 2013-03-23 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: The synergism of the mechanics of nondestructive testing and the mechanics of materials response has great potential value in an era of rapid development of new materials and new applications for con ventional materials. The two areas are closely related and an advance in one area often leads to an advance in the other. As our understanding of basic principles increases, nondestructive testing is outgrowing the image of "black box techniques" and is rapidly becoming a legitimate technical area of science and engineering. At the present time, however, an understanding of the mechanics of nondestructive testing is lagging behind other advances in the field. The key to further development in the mechanics of nondestructive testing lies in the mechanics of the phenomena or response being investigated - a better understanding of materials response suggests better nondestructive test methods to investigate the response which, in turn, advances our understanding of materials response, and so on. With this approach in mind, the Materials Response Group of the Engineering Science and Mechanics Department at Virginia Polytechnic Institute and State University hosted a Conference on the Mechanics of Nondestructive Testing on September 10 through 12, 1980. Sponsors of the conference were the Army Research Office, the National Science Foundation, and the Engineering Science and Mechanics Department.
