Zobrazeno 1 - 10
of 19
pro vyhledávání: '"W. Harara"'
Autor:
W. Harara
Publikováno v:
Russian Journal of Nondestructive Testing. 57:337-342
Tungsten inert gas (TIG) welding had been applied to produce four double-V butt welded joints performed on thick plates made from 6082-T6 aluminum alloy. The thicknesses of the plates are 18, 45, 60, and 80 mm. This type of aluminum alloy is very sen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5e4d5d12c2c8af4060c30c81a322b4a
https://doi.org/10.1134/s1061830921040069
https://doi.org/10.1134/s1061830921040069
Autor:
W. Harara, Ahmad Altahan
Publikováno v:
Russian Journal of Nondestructive Testing. 54:335-344
This study was carried out to demonstrate if the phased array ultrasonic testing (PAUT) can be adopted as a suitable substitute of the radiography testing (RT) of steel plate’s welded joints required by codes and standards related to some projects
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b7c42568dc542f1d6f6ce17163b0125
https://doi.org/10.1134/s1061830918050054
https://doi.org/10.1134/s1061830918050054
Autor:
W. Harara
Publikováno v:
Russian Journal of Nondestructive Testing. 51:580-586
X-ray conventional radiography and digital radiography by fluoroscope had been applied to test nine butt welded joints performed by tungsten inert gas (TIG) welding on 6082-T6 aluminium plates having thicknesses from 10 to 80 mm. The comparison betwe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd06856dd8880dad729bb93aea56fc76
https://doi.org/10.1134/s1061830915090065
https://doi.org/10.1134/s1061830915090065
Autor:
W. Harara
Publikováno v:
Russian Journal of Nondestructive Testing. 48:384-390
Digital fluoroscope was used as digital industrial radiography system to test three flawed Aluminum castings with dimension of (100 × 100 × 100) mm3. The digital radiographs show that, all the flaws in the three aluminum castings had been detected
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f29ae0bd8327abbc83bca317332e008c
https://doi.org/10.1134/s1061830912060034
https://doi.org/10.1134/s1061830912060034
Autor:
W. Harara
Publikováno v:
Russian Journal of Nondestructive Testing. 46:618-625
A low cost digital radiography system (DRS) for testing weld joints and castings in laboratory was assembled. The DRS is composed from X-ray source, scintillator, first surface mirror with Aluminum coating, charged coupled device (CCD) camera and len
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dab0d27fb0ec94dd2e4a573cce8347cd
https://doi.org/10.1134/s1061830910080115
https://doi.org/10.1134/s1061830910080115
Autor:
W. Harara
Publikováno v:
Russian Journal of Nondestructive Testing. 44:796-802
Organic and non organic deposits are a critical issue in pipes of industrial installation, such as refineries, chemical plants, petrochemical plants and power plants. Deposit can reduce production or even cause unpredictable and costly shutdowns due
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::570c9b681415acb734f3dc148bd27f96
https://doi.org/10.1134/s1061830908110090
https://doi.org/10.1134/s1061830908110090
Autor:
W. Harara
Publikováno v:
Russian Journal of Nondestructive Testing. 40:782-788
This paper demonstrates the capability of the tangential-radiography technique to detect internal and external pits and to measure their depths on corroded large-diameter insulated and noninsulated carbon-steel and stainless-steel pipes. Tangential-r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e09ad72883bd56287025d531501ca75
https://doi.org/10.1007/s11181-005-0058-0
https://doi.org/10.1007/s11181-005-0058-0
Autor:
W. Harara
Publikováno v:
Insight - Non-Destructive Testing and Condition Monitoring. 45:668-671
This paper contains some useful parameters which can be applied to the tangential radiography technique to detect and measure the internal and external corrosion attack on large-diameter insulated and non-insulated carbonsteel and stainless steel pip
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88ceca5e51aaec3105bd34ea334a390b
https://doi.org/10.1784/insi.45.10.668.52954
https://doi.org/10.1784/insi.45.10.668.52954
Autor:
W. Harara
Publikováno v:
Applied Radiation and Isotopes. 50:677-684
The effect of γ-ray irradiation on magnetic properties of electromagnetic steel sheets has been investigated. The measurements were carried out using transformer Fe–Si (97%–3%) sheets. The energy losses and the dependence of the relative permeab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::435183565e17a06af69f4a2b0eadd663
https://doi.org/10.1016/s0969-8043(98)00141-9
https://doi.org/10.1016/s0969-8043(98)00141-9
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