Acoustic Emission from Zirconium Alloys During Mechanical and Fracture Testing PDF Download
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Author: Atomic Energy of Canada Limited
Publisher: Chalk River, Ont. : Chalk River Nuclear Laboratories
ISBN:
Category :
Languages : en
Pages : 21
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Book Description
Author: Atomic Energy of Canada Limited
Publisher: Chalk River, Ont. : Chalk River Nuclear Laboratories
ISBN:
Category :
Languages : en
Pages : 21
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Book Description
Author: Ronnie K. Miller
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 630
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Book Description
Author: CJ. Simpson
Publisher:
ISBN:
Category : Acoustics
Languages : en
Pages : 13
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Book Description
Under conditions of high tensile stress, the Zr-2.5Nb alloy has been shown to he susceptible to a very slow crack propagation failure mechanism. This failure mechanism, hydride cracking, has been studied extensively since leaks developed in the pressure tubes of Reactor Units 3 and 4 at Ontario Hydro's Pickering Nuclear Generating Station in Aug. 1974. The failures have been attributed to reorientation and preferential redistribution of hydrides under high tensile stresses, followed by progressive fracture of these hydrides. Mechanical tests, acoustic emission data, and metallographic studies relevant to this mechanism will be presented and related to the occurrence of cracks in the Zr-2.5Nb reactor pressure tubes.
Author: Valentyn Skalskyi
Publisher: Springer Nature
ISBN: 3031112911
Category : Technology & Engineering
Languages : en
Pages : 231
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Book Description
The book presents topical theoretical and experimental studies for developing advanced methods of detecting materials fracture and assessing their structural state using acoustic emission. It introduces new mathematical models characterizing the displacement fields arising from crack-like defects and establishes a new criterion for classifying different types of materials fracture based on specific parameters obtained from wavelet transforms of acoustic emission signals. The book applies this approach to experimental studies in three types of materials—fiber-reinforced composites, dental materials, and hydrogen-embrittled steels.
Author: B. (Brian) Cox
Publisher: Chalk River, Ont. : Chalk River Nuclear Laboratories
ISBN:
Category :
Languages : en
Pages : 28
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Book Description
Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 518
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Book Description
Author:
Publisher: ASTM International
ISBN:
Category :
Languages : en
Pages : 681
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Book Description
Author: A. S. Tetelman
Publisher:
ISBN:
Category :
Languages : en
Pages : 45
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Book Description
Acoustic emission testing has found many uses in recent years and new applications are constantly being uncovered. One of the most fruitful areas for application lies in the characterization of microscopic processes of yielding and fracture, and macroscopic processes of slow crack growth and onset of fast crack propagation. This paper has described these processes and empahsized that the total counts and count rate depend on the energy released per event and the density of events per unit of deformation. The models presented herein are first order approximations which await confirmation. (Author).
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1572
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Book Description
Author: PH. Hutton
Publisher:
ISBN:
Category : Acoustic properties
Languages : en
Pages : 16
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Book Description
The objective of this investigation was to determine acoustic emission (AE) properties of unhydrided and hydrided Zr-2.5Cb during room temperature fatigue crack growth and fracture. Determination of AE behavior is important as a basis for continuous on-line monitoring in nuclear reactor pressure tubes fabricated from Zr-2.5Cb.
