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HomeKey Engineering MaterialsKey Engineering Materials Vol. 839Towards the Problem of Construction an SPD...

Towards the Problem of Construction an SPD Stress-Strain Curve for Low-Plastic Materials

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Abstract:

Stress-strain curve construction for low-plastic alloys under severe plastic deformation conditions is considered. A material under investigation is cast bronze Cu85-Pb5-Sn5-Zn5. Experiments on upsetting and deep rolling were conducted. Based on these data, the initial hardening modular and the hardening modular at large strain were evaluated. Classic tests on determining an initial segment of stress-strain curve can lead to grate mistakes because shear band sliding can diminishes appreciably both yield stress and hardening modular. A correct methodology for stress-strain curve construction is proposed.

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Periodical:

Key Engineering Materials (Volume 839)

Pages:

189-195

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.839.189

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Online since:

April 2020

Authors:

Pavel G. Morrev*, Kostya I. Kapyrin, I.M. Gryadunov, Sergey Y. Radchenko, Daniil O. Dorokhov, Vladimir A. Gordon

Keywords:

Leaded Teen Bronze, Low-Plastic Alloy, Severe Plastic Deformation, Stress-Strain Curve

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© 2020 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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