Magnetoelastic Acoustic Emission PDF Download
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Author: Valentyn Skalskyi
Publisher: Springer Nature
ISBN: 981994032X
Category : Science
Languages : en
Pages : 356
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Book Description
The book presents theoretical and experimental studies to establish the relationship between volume jumps of the 90° domain wall in a ferromagnetic material and the magnitude of the half-space surface displacement caused by it. A method of evaluating the influence of the external magnetic field on the stress intensity factor at the tip of the crack-like defects in ferromagnets is discussed. The influence of hydrogen on the generation of magneto-elastic acoustic emission signals of ferromagnets is described. The features of magneto-elastic acoustic emission due to the presence of plastic deformation, structural changes, and volumetric damage in such structural materials are shown.
Author: Valentyn Skalskyi
Publisher: Springer Nature
ISBN: 981994032X
Category : Science
Languages : en
Pages : 356
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Book Description
The book presents theoretical and experimental studies to establish the relationship between volume jumps of the 90° domain wall in a ferromagnetic material and the magnitude of the half-space surface displacement caused by it. A method of evaluating the influence of the external magnetic field on the stress intensity factor at the tip of the crack-like defects in ferromagnets is discussed. The influence of hydrogen on the generation of magneto-elastic acoustic emission signals of ferromagnets is described. The features of magneto-elastic acoustic emission due to the presence of plastic deformation, structural changes, and volumetric damage in such structural materials are shown.
Author: M. Shibata
Publisher:
ISBN:
Category :
Languages : en
Pages : 11
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Book Description
Acoustic Emission (AE) was detected during magnetization of a nickel and was also found to depend on applied stress. Varying AE outputs were observed on several ferromagnetic materials under alternating magnetic field. This magnetomechanical AE phenomenon has a potential of performing nondestructive measurements of residual stresses in structures, components and weldments, and we examined systematically effects of applied stress and magnetic field strength in ferritic steels. Several carbon steels, A533B steel and Armco iron were tested in annealed or normalized condition. By employing two AE transducers (AC 175L and MAC 500), rms voltages were measured at two frequency ranges. Maximum stress level was 350 MPa. It was found that 1020 steel shows the highest AE response among the material tested. Residual stress levels can be determined by monitoring the outputs of two AE transducers for a given material condition. The amount of prior cold work can also be obtained by monitoring this AE phenomenon. Details of experimental findings will be discussed towards the goal of developing a new method of nondestructive evaluation of residual stress and material conditions. (Author).
Author: Samy Maurice Hanna
Publisher:
ISBN:
Category : Acoustic surface wave devices
Languages : en
Pages : 0
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Book Description
Author: Thomas F. Drouillard
Publisher: Springer
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 838
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Book Description
The purpose of this bibliography is to list all of the known literature on acoustic emission in a single volume. The bibliography is intended to serve as a reference to the literature for those interested in the acoustic emission phenomenon, for those engaged in materials research, and for those interested in applying acoustic emission as a nonde structive testing method. It provides an invaluable reference to source materiaf for both undergraduate and graduate students interested in the subjects of acoustic emission, microseismic activity, and nondestructive testing. In addition, it provides a vaIuable desk-top reference for engineers and scientists in the fields of pressure vessel design and maintenance, stress analysis, mechanical engineering, welding engineering, nuclear engineering, metallurgy, and quality control. In compiling the bibliography every effort was made to search the literat ure for all the publications and obtain copies, index them, and publish a complete, com prehensive bibliography of the literature on acoustic emission. This bibliography is the most complete ever published. It includes essentially all of the literature on acoustic emission that has ever been published up through the first quarter of 1977. Publications listed are in the form of technical reports and memoranda, journal articles, technical presentations, proceedings, doctoral, master, and bachelor theses, patents, bound volumes, translations, and newspaper articles. Some references, however, are not technical articles, but consist of editorials or staff-written journal articles which are included because they represent apart of the literature.
Author: Mark W. Weber
Publisher:
ISBN:
Category : Acoustic surface waves
Languages : en
Pages : 94
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Book Description
Author: Kanji Ono
Publisher:
ISBN:
Category :
Languages : en
Pages : 14
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Book Description
This article reviews magnetomechanical acoustic emission (MAE) that can be used in developing nondestructive testing techniques for residual stress measurements and microstructural characterization. Effects of metallurgical and magnetic parameters on MAE are considered drawing from basic studies on nickel and iron as well as from applied research on rail and wheel steels. Some of the observed features of MAE can be explained in terms of the domain theory. Practical applications applications require additional developmental efforts, but potential for useful residual stress analysis is well demonstrated.
Author: Stanford University. Microwave Laboratory
Publisher:
ISBN:
Category :
Languages : en
Pages : 24
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Book Description
Author: C. R. Heiple
Publisher:
ISBN:
Category : Acoustic emission
Languages : en
Pages : 88
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Book Description
Author:
Publisher: Elsevier
ISBN: 0080538924
Category : Science
Languages : en
Pages : 316
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Book Description
This twenty-fourth volume of the long-running Physical Acoustics series provides a subject and author cumulative index and tables of contents for all previous volumes for easy reference.
Author: James H. Williams
Publisher:
ISBN:
Category : Acoustic emission
Languages : en
Pages : 52
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Book Description
