== Abstract ==

​

Traditionally nondestructive testing (NDT) has focused on the NDT areas of penetrants, magnetic particle, eddy current, ultrasound, radiographic, and other related areas of NDT. These areas are all well developed with much training available and also full levels of inspector certification(1).

​

​

== Original document ==

​

The different versions of the original document can be found in:

​

* [https://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=2671&context=qnde https://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=2671&context=qnde]

​

* [http://www.springerlink.com/index/pdf/10.1007/978-1-4615-1987-4_311 http://www.springerlink.com/index/pdf/10.1007/978-1-4615-1987-4_311],

: [http://dx.doi.org/10.1007/978-1-4615-1987-4_311 http://dx.doi.org/10.1007/978-1-4615-1987-4_311]

​

* [https://lib.dr.iastate.edu/qnde/1995/allcontent/310 https://lib.dr.iastate.edu/qnde/1995/allcontent/310],

: [https://link.springer.com/chapter/10.1007%2F978-1-4615-1987-4_311 https://link.springer.com/chapter/10.1007%2F978-1-4615-1987-4_311],

: [https://core.ac.uk/display/38894244 https://core.ac.uk/display/38894244],

: [http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=2671&context=qnde http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=2671&context=qnde],

: [https://academic.microsoft.com/#/detail/2609310860 https://academic.microsoft.com/#/detail/2609310860]

​