Zobrazeno 1 - 10
of 21
pro vyhledávání: '"H.H Chaskelis"'
Publikováno v:
Wave Motion. 20:295-314
Publikováno v:
Wave Motion. 16:65-80
Autor:
H.H. Chaskelis, N.K. Batra
Publikováno v:
NDT & E International. 25:104
Autor:
A.V. Clark, H.H. Chaskelis
Publikováno v:
Ultrasonics. 19:201-207
Thin defects (order of 100 nm) can be simulated by producing air gaps between two highly-polished glass discs. Such air gaps serve to model either a weak bond in an adhesively-fastened structure, or a tight crack. This paper discusses the results obt
Autor:
A.V. Clark, H.H. Chaskelis
Publikováno v:
Ultrasonics. 20:173-183
In a previous paper, the authors described experiments in which simulated defects of thickness 20–200 nm were detected ultrasonically. The defects were produced by creating thin gaps between the surfaces of optical flats. A relation between reflect
Autor:
H.H. Chaskelis, N.K. Batra
Publikováno v:
NDT International. 18:261-264
Titanium alloys, due to their light weight, high strength, and corrosion resistant properties, are employed in many structural applications. For design purposes it is important to determine the limit of sensitivity of ultrasonic crack detection techn
Autor:
H.H. Chaskelis
Publikováno v:
Non-Destructive Testing. 4:375-379
In ultrasonic-testing, the transducer should be considered as an integral part of the equipment. Unfortunately, transducers are generally bandied about and used as appendages during a given test. Such a casual approach can lead to problematic results
Publikováno v:
IEEE 1985 Ultrasonics Symposium.
Different specimens of highly attenuative fiber-reinforced composites have been investigated ultrasonically. Conventional pulseecho techniques cannot be easily applied to characterize these materials. due to lack of multiple echoes. Using a transmiss
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Akademický článek
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