Acoustic Emission Generated by Dislocation Mechanisms During the Deformation of Metals PDF Download
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Languages : en
Pages :
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Acoustic emission is a transient elastic wave generated by the rapid release of energy within a material. A wide variety of mechanisms have been proposed as possible sources of acoustic emission. Proposed mechanisms have included crack propagation, precipitate fracture, twin formation, martensite formation, dislocation motion and/or multiplication. This paper is concerned with acoustic emission generated by dislocation mechanisms operating during plastic deformation. Twinning and martensitic phase transformations are excluded even though dislocation motion is involved in the nucleation and growth of twins and the growth of martensite.
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Category :
Languages : en
Pages :
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Book Description
Acoustic emission is a transient elastic wave generated by the rapid release of energy within a material. A wide variety of mechanisms have been proposed as possible sources of acoustic emission. Proposed mechanisms have included crack propagation, precipitate fracture, twin formation, martensite formation, dislocation motion and/or multiplication. This paper is concerned with acoustic emission generated by dislocation mechanisms operating during plastic deformation. Twinning and martensitic phase transformations are excluded even though dislocation motion is involved in the nucleation and growth of twins and the growth of martensite.
Author: C. R. Heiple
Publisher:
ISBN:
Category : Acoustic emission
Languages : en
Pages : 88
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Author: Fuat Civan
Publisher:
ISBN:
Category :
Languages : en
Pages : 136
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Author: James R. Matthews
Publisher: CRC Press
ISBN: 9780677164908
Category : Acoustic emission
Languages : en
Pages : 180
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Author:
Publisher:
ISBN:
Category : Acoustic emission
Languages : en
Pages : 170
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 700
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: Wojciech Sikorski
Publisher: BoD – Books on Demand
ISBN: 9535100564
Category : Technology & Engineering
Languages : en
Pages : 412
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Book Description
Acoustic emission (AE) is one of the most important non-destructive testing (NDT) methods for materials, constructions and machines. Acoustic emission is defined as the transient elastic energy that is spontaneously released when materials undergo deformation, fracture, or both. This interdisciplinary book consists of 17 chapters, which widely discuss the most important applications of AE method as machinery and civil structures condition assessment, fatigue and fracture materials research, detection of material defects and deformations, diagnostics of cutting tools and machine cutting process, monitoring of stress and ageing in materials, research, chemical reactions and phase transitions research, and earthquake prediction.
Author: Warren P. Mason
Publisher: Elsevier
ISBN: 0323152511
Category : Science
Languages : en
Pages : 393
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Book Description
Physical Acoustics: Principles and Methods, Volume XV is a four-chapter text that covers the history of ultrasonics, interdigital transducers, theory of resonance scattering, and acoustic emission. Chapter 1 provides the history of ultrasonics and the developments of its application in crystal transducers, oscillators, selective wave filters, underwater sound, dentistry, and medicine. Chapter 2 is a comprehensive account of the use of circuit model analysis to design interdigital transducers (IDTs) for surface acoustic wave (SAW) devices. This chapter also looks into the total filter design problem for the important case of SAW filters composed solely of IDTs and matching circuits. Chapter 3 discusses the resonance scattering theory, its application to acoustic-and elastic-wave scattering, and the relevant experiments. Chapter 4 deals with the optical detection of acoustic emissions, acoustic emissions during various transformations, and dislocation effects. Researchers in the fields of electronics technology and applied and engineering mechanics will find this book invaluable.
Author:
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Category :
Languages : en
Pages : 1
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A series of tests were conducted on aluminum single crystals of the so-called 0.5 orientation. The data obtained to date were studied relative to the physical behavior of the 0.5 specimens and also with regard to that previously obtained on (100) specimens. Various characteristics are presented of the emission and the physical parameters. Again, the data shows a very definite correlation between the emission phenomenon and deformation behavior. It is clear from the information obtained up through the present, that the emission is a consequence of, and is produced by, a particular phenomenological characteristic of the deformation prosess. Several observations were undertaken to determine the particular aspect of the deformation process acting as the source of this emission energy. (Author).
Author: Jack Peter Toronchuk
Publisher:
ISBN:
Category :
Languages : en
Pages : 202
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