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== Abstract ==3
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The problem of corrosion of steel surfaces under thermal insulation is one that plagues the petroleum, petrochemical, chemical and pipeline industries [1,2]. Often internal surfaces, as well, are subject to attack by moisture, acids or other corrosive influences. Thermal insulation renders traditional NDE methods mostly ineffective but is essentially transparent to x-rays in the energy ranges commonly used for industrial radiography. Since transmission radiography is severely hampered by the need for access to âboth sidesâ of the object being tested, the use of NDE methods employing Compton backscattered x-rays is strongly suggested [3,4]. Through appropriate collimation of incident and backscattered x- rays, depth as well as transverse information concerning the object under examination can be resolved. Access is required only to one side of the object, making the method potentially useful for examination of large vessels as well as pipelines.5
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== Original document ==8
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The different versions of the original document can be found in:10
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* [https://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=1827&context=qnde https://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=1827&context=qnde]12
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* [http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=1827&context=qnde http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=1827&context=qnde],14
: [https://lib.dr.iastate.edu/qnde/1993/allcontent/253 https://lib.dr.iastate.edu/qnde/1993/allcontent/253],15
: [https://link.springer.com/chapter/10.1007%2F978-1-4615-2848-7_254 https://link.springer.com/chapter/10.1007%2F978-1-4615-2848-7_254],16
: [https://core.ac.uk/display/38893672 https://core.ac.uk/display/38893672],17
: [https://academic.microsoft.com/#/detail/15366294 https://academic.microsoft.com/#/detail/15366294]18
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* [http://www.springerlink.com/index/pdf/10.1007/978-1-4615-2848-7_254 http://www.springerlink.com/index/pdf/10.1007/978-1-4615-2848-7_254],20
: [http://dx.doi.org/10.1007/978-1-4615-2848-7_254 http://dx.doi.org/10.1007/978-1-4615-2848-7_254]21
Return to Anderson et al 2012a.
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Published on 01/01/2012
Volume 2012, 2012
DOI: 10.1007/978-1-4615-2848-7_254
Licence: CC BY-NC-SA license
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