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[7s, 2015] 

Journal of Electrical Engineering, Vol 66, 7s (2015) 186-189

EXPLOSIVELY WELDED Ti-Ni BIMETALLIC PLATE CHARACTERIZATION USING BARKHAUSEN NOISE

Tomasz Garstka – Dariusz Rydz

   Analysis of Barkhausen noise in explosively cladded titanium-nickel bimetallic plate was studied to test feasibility of using this magnetic nondestructive technique for evaluation of its properties as stress or strain state. The research on the influence of applied strain on Barkhausen Noise (BN) in nickel layer was carried out, and the impact of magnetization frequency on BN en-velope was investigated too. Finally, the radial plots of BN intensity correspond to stress state were determined. Obtained re-sults let to conclude that BN analysis method can be additional reliable testing tool for Ti-Ni plates characterization.

Keywords: Barkhausen noise, bimetallic plate, non-destructive materials testing


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