Microstructure and tensile properties of Cu-Zn brass after severe plastic deformation

Abstract

An experimental investigation of the effect of equal-channel angular pressing (ECAP) on structural changes and mechanical properties of Cu-Zn brass with a low stacking fault energy has been undertaken. It is shown that the main mechanism of deformation is twinning. As the number of passes increases, the density of twins increases too. The shift in the intersecting planes leads to the curvature and distortion of the twin systems formed after preceding passes. As a result of ECAP, both yield strength and strength limit increased while plasticity decreased. Fracture of samples occurs mainly as a result of loss of plasticity, but after 2 and 3 ECAP passes samples also reveal some plastic viscous fracture regions.

Original language	English
Title of host publication	Proceedings of the Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures
Editors	Vasily M. Fomin, Victor E. Panin, Sergey G. Psakhie
Publisher	American Institute of Physics Inc.
ISBN (Electronic)	9780735417779
DOIs	https://doi.org/10.1063/1.5083544
Publication status	Published - 12 Dec 2018
Event	International Symposium on Hierarchical Materials: Development and Applications for New Technologies and Reliable Structures 2018 - Tomsk, Russian Federation Duration: 1 Oct 2018 → 5 Oct 2018

Publication series

Name	AIP Conference Proceedings
Volume	2051
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	International Symposium on Hierarchical Materials: Development and Applications for New Technologies and Reliable Structures 2018
Country	Russian Federation
City	Tomsk
Period	1.10.18 → 5.10.18

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.5083544

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Cite this

Tarasov, S. Y., Filippov, A. V., Fortuna, S. V., & Vorontsov, A. V. (2018). Microstructure and tensile properties of Cu-Zn brass after severe plastic deformation. In V. M. Fomin, V. E. Panin, & S. G. Psakhie (Eds.), Proceedings of the Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures [020301] (AIP Conference Proceedings; Vol. 2051). American Institute of Physics Inc.. https://doi.org/10.1063/1.5083544

Microstructure and tensile properties of Cu-Zn brass after severe plastic deformation. / Tarasov, S. Yu ; Filippov, A. V.; Fortuna, S. V.; Vorontsov, A. V.

Proceedings of the Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. ed. / Vasily M. Fomin; Victor E. Panin; Sergey G. Psakhie. American Institute of Physics Inc., 2018. 020301 (AIP Conference Proceedings; Vol. 2051).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Tarasov, SY , Filippov, AV, Fortuna, SV & Vorontsov, AV 2018, Microstructure and tensile properties of Cu-Zn brass after severe plastic deformation. in VM Fomin, VE Panin & SG Psakhie (eds), Proceedings of the Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures., 020301, AIP Conference Proceedings, vol. 2051, American Institute of Physics Inc., International Symposium on Hierarchical Materials: Development and Applications for New Technologies and Reliable Structures 2018, Tomsk, Russian Federation, 1.10.18. https://doi.org/10.1063/1.5083544

Tarasov SY , Filippov AV, Fortuna SV, Vorontsov AV. Microstructure and tensile properties of Cu-Zn brass after severe plastic deformation. In Fomin VM, Panin VE, Psakhie SG, editors, Proceedings of the Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. American Institute of Physics Inc. 2018. 020301. (AIP Conference Proceedings). https://doi.org/10.1063/1.5083544

Tarasov, S. Yu ; Filippov, A. V. ; Fortuna, S. V. ; Vorontsov, A. V. / Microstructure and tensile properties of Cu-Zn brass after severe plastic deformation. Proceedings of the Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. editor / Vasily M. Fomin ; Victor E. Panin ; Sergey G. Psakhie. American Institute of Physics Inc., 2018. (AIP Conference Proceedings).

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AB - An experimental investigation of the effect of equal-channel angular pressing (ECAP) on structural changes and mechanical properties of Cu-Zn brass with a low stacking fault energy has been undertaken. It is shown that the main mechanism of deformation is twinning. As the number of passes increases, the density of twins increases too. The shift in the intersecting planes leads to the curvature and distortion of the twin systems formed after preceding passes. As a result of ECAP, both yield strength and strength limit increased while plasticity decreased. Fracture of samples occurs mainly as a result of loss of plasticity, but after 2 and 3 ECAP passes samples also reveal some plastic viscous fracture regions.

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