Energy-Based Yield Condition for Orthotropic Materials Exhibiting Asymmetry of Elastic Range

• Autorzy: Pęcherski R. B. , Rusinek A. , Fras T. , Nowak M. , Nowak Z.

Identyfikatory

DOI

10.24425/amm.2020.132819

• Języki publikacji: EN

Abstrakty

EN

The aim of the paper is to formulate physically well founded yield condition for initially anisotropic solids revealing the asymmetry of elastic range. The initial anisotropy occurs in material primarily due to thermo-mechanical pre-processing and plastic deformation during the manufacturing processes. Therefore, materials in the “as-received” state become usually anisotropic. After short account of the known limit criteria for anisotropic solids and discussion of mathematical preliminaries the energy-based criterion for orthotropic materials was formulated and confronted with experimental data and numerical predictions of other theories. Finally, possible simplifications are discussed and certain model of isotropic material with yield condition accounting for a correction of shear strength due to initial anisotropy is presented. The experimental verification is provided and the comparison with existing approach based on the transformed-tensor method is discussed.

Słowa kluczowe

EN

energy-based yield condition; orthotropic solids; initial anisotropy; strength differential effect; numerical simulation

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2020
• Tom: Vol. 65, iss. 2
• Strony: 771--778
• Opis fizyczny: Bibliogr. 41 poz., rys., tab., wzory

Twórcy

autor

Pęcherski R. B.

• Institute of Fundamental Technological Research, Polish Academy of Sciences, 5B Pawińskiego Str., 02-106 Warszawa, Poland

autor

Rusinek A.

• Laboratory of Microstructure Studies and Mechanics of Materials, UMR-CNRS 7239, Lorraine University, 7 Rue Félix Savart, BP 15082, 57073 Metz Cedex 03, France

autor

Fras T.

• French-German Research Institute of Saint-Louis (ISL), 5 Général Cassagnou Str., 68301 Saint-Louis, France

autor

Nowak M.

• Institute of Fundamental Technological Research, Polish Academy of Sciences, 5B Pawińskiego Str., 02-106 Warszawa, Poland

autor

Nowak Z.

• Institute of Fundamental Technological Research, Polish Academy of Sciences, 5B Pawińskiego Str., 02-106 Warszawa, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).