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2 Archives of Metallurgy and Materials

2 2016

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Voids Nucleation at Inclusions of Various Shapes in Front of the Crack in Plane Strain

Neimitz A., Janus U.

Archives of Metallurgy and Materials

2016

Vol. 61, iss. 3

1587--1592

An analysis is presented of the stress field in and around inclusions of various shapes. Results were obtained by the finite element method. Inclusions were located within elementary cells located at the centre of the specimen next to the crack front. The influence of an in-plane constraint on the stress distribution was tested.

Analysis of Stress and Strain Fields in and around Inclusions of Various Shapes in a Cylindrical Specimen Loaded in Tension

Neimitz A., Janus U.

Archives of Metallurgy and Materials

2016

Vol. 61, iss. 2A

569--576

A numerical analysis is performed of the stress field in and around inclusions of various shapes. Inclusions both stiffer and more compliant than the metal matrix are analysed. The critical stresses required for inclusion fracture are estimated after observation of cavities and inclusions by scanning electron microscopy. Real inclusions were observed after performing uniaxial loading to different amounts of overall strain. The material tested was Hardox-400 steel.