Three-dimensional measurement of short fatigue cracks using scanning acoustic microscopy

D. Knauss; D. D. Bennink; J. W. Martin; G. A.D. Briggs; T. Zhai

doi:10.1179/mst.1993.9.12.1086

Three-dimensional measurement of short fatigue cracks using scanning acoustic microscopy

D. Knauss, D. D. Bennink, J. W. Martin, G. A.D. Briggs, T. Zhai

Chemical and Materials Engineering

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

The three-dimensional crack growth of short fatigue cracks in Al–Li 8090 alloy has been examined using time resolved acoustic microscopy. Two sets of specimens were machined having different orientations of the elongated grains. Depending on the orientation of the pancake shaped grains with respect to the propagation direction of the cracks different growth rates were obtained. Furthermore, the influence of the microstructure (e.g. grain boundaries) on the crack path in the two sets of specimens could be determined. MST/1838.

Original language	English
Pages (from-to)	1086-1093
Number of pages	8
Journal	Materials Science and Technology (United Kingdom)
Volume	9
Issue number	12
DOIs	https://doi.org/10.1179/mst.1993.9.12.1086
State	Published - Dec 1 1993

Bibliographical note

Funding Information:
This project was funded by the Science and Engineering Research Council and National Power through grant no. GR/E 76391. One of the authors (TZ) is supported by a studentship from the Run Run Shaw scholarship.

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1179/mst.1993.9.12.1086

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title = "Three-dimensional measurement of short fatigue cracks using scanning acoustic microscopy",

abstract = "The three-dimensional crack growth of short fatigue cracks in Al–Li 8090 alloy has been examined using time resolved acoustic microscopy. Two sets of specimens were machined having different orientations of the elongated grains. Depending on the orientation of the pancake shaped grains with respect to the propagation direction of the cracks different growth rates were obtained. Furthermore, the influence of the microstructure (e.g. grain boundaries) on the crack path in the two sets of specimens could be determined. MST/1838.",

author = "D. Knauss and Bennink, {D. D.} and Martin, {J. W.} and Briggs, {G. A.D.} and T. Zhai",

note = "Funding Information: This project was funded by the Science and Engineering Research Council and National Power through grant no. GR/E 76391. One of the authors (TZ) is supported by a studentship from the Run Run Shaw scholarship.",

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AU - Briggs, G. A.D.

AU - Zhai, T.

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N2 - The three-dimensional crack growth of short fatigue cracks in Al–Li 8090 alloy has been examined using time resolved acoustic microscopy. Two sets of specimens were machined having different orientations of the elongated grains. Depending on the orientation of the pancake shaped grains with respect to the propagation direction of the cracks different growth rates were obtained. Furthermore, the influence of the microstructure (e.g. grain boundaries) on the crack path in the two sets of specimens could be determined. MST/1838.

AB - The three-dimensional crack growth of short fatigue cracks in Al–Li 8090 alloy has been examined using time resolved acoustic microscopy. Two sets of specimens were machined having different orientations of the elongated grains. Depending on the orientation of the pancake shaped grains with respect to the propagation direction of the cracks different growth rates were obtained. Furthermore, the influence of the microstructure (e.g. grain boundaries) on the crack path in the two sets of specimens could be determined. MST/1838.

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Three-dimensional measurement of short fatigue cracks using scanning acoustic microscopy

Abstract

Bibliographical note

ASJC Scopus subject areas

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