Determination of elastoplastic properties and porosity of composite nickel-iron roofs

Javgureanu Vasile; Gordelenco Pavel

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JAVGUREANU, Vasile, GORDELENCO, Pavel. Determination of elastoplastic properties and porosity of composite nickel-iron roofs. In: Conferinţa Tehnico-Ştiinţifică a Colaboratorilor, Doctoranzilor şi Studenţilor: consacrată celei de-a 50-a Aniversări a U.T.M., 20-21 octombrie 2014, Chișinău. Chișinău, Republica Moldova: Tehnica-UTM, 2014, Vol.3, pp. 71-74. ISBN 978-9975-45-249-6.

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Conferinţa Tehnico-Ştiinţifică a Colaboratorilor, Doctoranzilor şi Studenţilor
Vol.3, 2014

Conferința "Conferinţa Tehnico-Ştiinţifică a Colaboratorilor, Doctoranzilor şi Studenţilor"
Chișinău, Moldova, 20-21 octombrie 2014

Determination of elastoplastic properties and porosity of composite nickel-iron roofs

Pag. 71-74

Javgureanu Vasile, Gordelenco Pavel

Technical University of Moldova

Disponibil în IBN: 29 mai 2023

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This paper presents the elastic-plastic properties (he, hp; h; Ae; Ap; A; H; Hh; Hd, P) and define the parameters (Pcr; Hhcr; Hdcr) beginning of brittle fracture of iron-nickel composite coatings. First established experimentally that with the beginning of brittle fracture (Pcr = P), the work expended in elastic (Ae), plastic (Ap) and elastic-plastic (A) deformation significantly increases the load on the diamond spherical indenter (Pcr = P) and indentation depth (hp; h) decreases with increasing current density (DК) and a decrease in the electrolysis temperature (T). Critical load indentation (Pcr), not restored critical hardness (Hhcr) or the critical stress can be taken as a criterion for assessing the propensity of iron-nickel composite coatings to brittle fracture.

Cuvinte-cheie
elastoplastic, deformation, failure, galvanic, electrolytic, iron-nickel coatings

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