2017
DOI: 10.15199/48.2017.07.08
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Two methods of magnetoelastic effect utilization to evaluate mechanical strain in the truss structures

Abstract: The article presents the possibility of using the magnetoelastic effects to monitor mechanical strain in trusses. Test stand enabling loading of the special truss structure was designed, which allowed for installation of sample members. Study was carried out on two different configurations of the truss. The first configuration consists of three separate sample members. The magnetoelastic characteristics were measured for each member separately. The second configuration consists of three measuring members combi… Show more

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Cited by 4 publications
(2 citation statements)
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“…Due to the tensile stresses, the permeability of the steel core changes [25,26], which changes the coil impedance and in turn affects the 555 transducer output frequency. A similar sensor could be used in bending or torsional [27] mode of operation, with significant sensitivity, but different characteristics.…”
Section: Methodsmentioning
confidence: 99%
“…Due to the tensile stresses, the permeability of the steel core changes [25,26], which changes the coil impedance and in turn affects the 555 transducer output frequency. A similar sensor could be used in bending or torsional [27] mode of operation, with significant sensitivity, but different characteristics.…”
Section: Methodsmentioning
confidence: 99%
“…In the computations for Tables II-IV we have used the averaged values from both branches. However there is yet another important feature favouring the T (H eff ) version, namely the possibility to take into account other physical phenomena easily, for example the residual stress using Sablik's modification of the effective field, originally used as a component of the Jiles-Atherton model [21,22], but later also applied to the T (x) description [23]. In the forthcoming research we plan to carry out additional studies on the possibility to tailor up the T (H eff ) model with the aforementioned Sablik term.…”
Section: Modellingmentioning
confidence: 99%