NDLI: Nondestructive evaluation of a crack on austenitic stainless steel using a sheet type induced current and a Hall sensor array

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Nondestructive evaluation of a crack on austenitic stainless steel using a sheet type induced current and a Hall sensor array

Content Provider	Semantic Scholar
Author	Jun, Jongwoo Lee, Jinyi
Copyright Year	2008
Abstract	Austenitic stainless steels (hereafter A-STS) such as STS304 and STS316 are paramagnetic metals. However, a small amount of partial magnetization is generated in A-STS because of the imperfect final heat treatment and mechanical processing. Surface cracks on paramagnetic metal with a partially magnetized region (hereafter PMR) are difficult to inspect. In this paper, we propose a method for high speed inspection and evaluation of a crack on A-STS. Cracks can be inspected with high speed by using 64 arrayed Hall sensors (HSA) with 3.5 mm spatial resolution and a sheet type induced current (STIC). Then, a crack can be evaluated quantitatively by using the detailed distribution of the magnetic field obtained by using single Hall sensor scanning (SSS) around the inspected crack area. Several cracks on A-STS with partially magnetized areas were examined and the experimental formulas were derived.
Starting Page	1684
Ending Page	1691
Page Count	8
File Format	PDF HTM / HTML
DOI	10.1007/s12206-008-0516-4
Alternate Webpage(s)	http://www.j-mst.org/On_line/admin/files/05-11417_1684-1691_.pdf
Alternate Webpage(s)	https://page-one.springer.com/pdf/preview/10.1007/s12206-008-0516-4
Alternate Webpage(s)	https://doi.org/10.1007/s12206-008-0516-4
Volume Number	22
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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