Experimental study of Portevin–Le Châtelier bands on tensile and plane strain tensile tests

• Autorzy: Sene N. A. , Balland P. , Bouabdallah K.

Identyfikatory

DOI

10.1016/j.acme.2017.05.005

• Języki publikacji: EN

Abstrakty

EN

The aim of this article is to show that it is possible to create an experimental database to better model Portevin–Le Châtelier (PLC) phenomenon with two kinds of solicitation. Indeed, two kinds of specimen are tested: conventional tensile specimens and specimens designed for plane strain tensile test. In order to better understand this phenomenon and above all to put away any geometry effect, two materials are tested: one without PLC bands (AU4G) that is used as reference and AlMg3 which is well known for its PLC bands. The image correlation tool is used to analyse the creation and the spread of PLC bands. Characteristic parameters of the bands are then measured: width, angle, transported strain, strain rate, and velocity. The originality of this paper is first to show that PLC bands are present during plane strain tensile test and then to characterize the bands thanks to image correlation. These experimental databases could be very useful for those who develop models on PLC phenomenon.

Słowa kluczowe

EN

B-Al3Mg2; Portevin-Le Châtelier bands; image correlation; plane strain tensile test

PL

korelacja obrazu; wytrzymałość materiałów; rozciąganie

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2018
• Tom: Vol. 18, no. 1
• Strony: 94--102
• Opis fizyczny: Bibliogr. 24 poz., rys., wykr.

Twórcy

autor

Sene N. A.

• Université Cheikh Anta Diop, Ecole Supérieure Polytechnique, BP 5085, Dakar-Fann, Sénégal
• Universite Savoie Mont Blanc, SYMME, FR-74000 Annecy, France

autor

Balland P.

• Universite Savoie Mont Blanc, SYMME, FR-74000 Annecy, France

autor

Bouabdallah K.

• Faculté de Technologie, Université de M'sila, Algeria

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018)