کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
295875 | 511584 | 2008 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Variation of stress-induced magnetic signals during tensile testing of ferromagnetic steels
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی عمران و سازه
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Variation of stress-induced magnetic signals during tensile testing of ferromagnetic steels Variation of stress-induced magnetic signals during tensile testing of ferromagnetic steels](/preview/png/295875.png)
چکیده انگلیسی
Stress alone applied to ferromagnetic materials can induce the generation of weak magnetic signals on their surfaces, which can be potentially used to estimate the degree of damage of ferromagnetic components. In this paper, the normal component of stress-induced magnetic field, Hp(y), was measured during tensile tests on the surfaces of sheet specimens of three ferromagnetic materials. It has been concluded that Hp(y) depends on the applied stress and will present different characteristics on the elastic and plastic deformation stages, respectively. The phenomenon of sharp changes in magnetic signals occurring at the instant of fracture was also discussed from the view of the interaction energy in a ferromagnet.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: NDT & E International - Volume 41, Issue 3, April 2008, Pages 184–189
Journal: NDT & E International - Volume 41, Issue 3, April 2008, Pages 184–189
نویسندگان
Dong Lihong, Xu Binshi, Dong Shiyun, Chen Qunzhi, Wang Dan,