Zobrazeno 1 - 10
of 149
pro vyhledávání: '"Robert E. Green"'
Publikováno v:
Engineering Fracture Mechanics. 137:26-33
Previous constant amplitude laboratory tests have shown that supersonic particle deposition (SPD) can be used, as an alternative to mechanically fastened doublers, to enhance the structural integrity of aircraft structures. This paper compliments the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bf5fe3074c5ef8b7c14715ccdfb6cef
https://doi.org/10.1016/j.engfracmech.2014.09.003
https://doi.org/10.1016/j.engfracmech.2014.09.003
Generation of narrowband antisymmetric lamb waves using a formed laser source in the ablative regime
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 54:147-156
A formed laser source, using a four-element lenticular array, is used in the ablative regime to generate select, narrowband, acoustic plate waves. The arrangement of the array produces acoustical signals that have frequencies compatible with the resp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5811f55aa8135ae29d72c3b03982013b
https://doi.org/10.1109/tuffc.2007.220
https://doi.org/10.1109/tuffc.2007.220
Publikováno v:
Research in Nondestructive Evaluation. 17:191-204
Proper preventative diagnosis of different art objects, including wooden, bronze and marble sculptures, frescoes, and paintings (on canvas, wood, metal, and glass), is very important for conservation purposes. Various advanced ultrasonic imaging meth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::486bf64bf9bd93677e8b1f847b2ec1d8
https://doi.org/10.1080/09349840600981088
https://doi.org/10.1080/09349840600981088
Autor:
Robert E. Green
Publikováno v:
Ultrasonics. 42:9-16
Non-contact generation and detection of acoustic and ultrasound waveforms is of practical importance, since it permits making acoustic and ultrasonic measurements at elevated temperatures, in corrosive and other hostile environments, in geometrically
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::abb772c5009fc65ddf171eb8c561d304
https://doi.org/10.1016/j.ultras.2004.01.101
https://doi.org/10.1016/j.ultras.2004.01.101
The possibility of nondestructively characterizing the microstruc ture, morphology or mechanical properties of materials is certainly a fascinating subject. In principle, such techniques can be used at all stages of a material's life - from the ear
There is a great deal of interest in extending nondestructive technologies beyond the location and identification of cracks and voids. Specifically there is growing interest in the application of nondestructive evaluation (NOEl to the measurement of
Publikováno v:
Research in Nondestructive Evaluation. 14:81-94
There is currently widespread use of high-strength steel tendons for prestressing and post-tensioning of concrete structures and as suspension cables for long-span bridges. Tendons normally consist of one or more seven-wire, helically wound steel str
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d13e08252b3f76e586ce40e2000f747c
https://doi.org/10.1080/09349840209409706
https://doi.org/10.1080/09349840209409706
Publikováno v:
Journal of Composite Materials. 34:1860-1880
A novel non-contact nondestructive evaluation system is proposed for sensing bond quality in tow-placed graphite/PEEK thermoplastic composites. The inspection tool consists of a hybrid ultrasonic system which employs laser generation of narrow-band s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8df2af4084eda10c3edcd579eedabe9e
https://doi.org/10.1106/lm8n-p39h-y4qr-ewvp
https://doi.org/10.1106/lm8n-p39h-y4qr-ewvp
Publikováno v:
Research in Nondestructive Evaluation. 12:43-51
We demonstrate that electronic shearography with thermal loading can be effectively applied to the nondestructive detection of debonds in thick polyurethane/steel structures usually employed in the hulls of military ships. A compact fiber-optics shea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2fd99b3cbf344325760dfba5b8aab87
https://doi.org/10.1080/09349840009409648
https://doi.org/10.1080/09349840009409648
Autor:
F. Lanza di Scalea, Robert E. Green
Publikováno v:
Experimental Mechanics. 39:329-334
A beam-steering C-scan system for laser generation and detection of ultrasound in opaque solids has been developed. For ultrasound detection, the system uses a confocal Fabry-Perot interferometer that is stabilized at its high-sensitivity point by im
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3733651ae4ca362f382afc643e8da5c
https://doi.org/10.1007/bf02329813
https://doi.org/10.1007/bf02329813