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Tensile and torsional strain gauge based on Fe48Co32P14B6 metallic glass
Petrozavodsk State Univ, Petrozavodsk 185910, Karelian Republ, Russia..
Petrozavodsk State Univ, Petrozavodsk 185910, Karelian Republ, Russia..
KTH. Petrozavodsk State Univ, Petrozavodsk 185910, Karelian Republ, Russia.;INMATECH Intelligent Mat Technol, SE-12751 Skarholmen, Sweden..
2019 (English)In: Journal of Magnetism and Magnetic Materials, ISSN 0304-8853, E-ISSN 1873-4766, Vol. 476, p. 382-386Article in journal (Refereed) Published
Abstract [en]

We evaluate properties of the prototype of a strain gauge capable to discriminate different strain components: tension and torsion. It makes use of magnetoelastic effect in new Fe48Co32P14B6 metallic glass. As a sensing material, it surpasses characteristics of commercial Iron-Nickel Metglas (R) alloy: relative differential permeability of as quenched amorphous ribbon is of about 110000, the saturation induction B-s = 1.45 T, coercive field as low as 4 A/m, Curie temperature above 700 K, and significantly higher thermal stability. Different deformation components were determined through the analyses of the shape of hysteresis B-H loops. Fe-Co-P-B glass strain gauge can simultaneously detect as small tensile strains as 1.9 x 10(-5) and less than 0.13 deg/cm of torsional distortions.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2019. Vol. 476, p. 382-386
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-244077DOI: 10.1016/j.jmmm.2019.01.006ISI: 000456696000060Scopus ID: 2-s2.0-85059550163OAI: oai:DiVA.org:kth-244077DiVA, id: diva2:1289936
Note

QC 20190219

Available from: 2019-02-19 Created: 2019-02-19 Last updated: 2019-02-19Bibliographically approved

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