Startseite Tension-compression asymmetry of quadruple CuCoNiBe alloys processed by high-temperature multi-pass equal channel angular pressing (ECAP)
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Tension-compression asymmetry of quadruple CuCoNiBe alloys processed by high-temperature multi-pass equal channel angular pressing (ECAP)

  • Cagatay Elibol ORCID logo EMAIL logo
Veröffentlicht/Copyright: 6. September 2022
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Materials Testing
Aus der Zeitschrift Materials Testing Band 64 Heft 9

Abstract

Among copper alloys, the precipitation (age) hardening quadruple CuCoNiBe alloys due to their superior mechanical properties in terms of the highest strength and elasticity achieved by peak aging have been used over the years in a wide range of industrial applications including aircrafts, coil systems, blast-proof materials, and molding dies. Combined thermomechanical treatment (i.e., equal channel angular pressing [ECAP] processing followed by post-ECAP aging) can result in a further enhancement of the strength of CuCoNiBe alloys due to the grain refinement and the formation of fine precipitates from α-Cu supersaturated solid solution. In this study, for the first time, the effect of severe plastic deformation by ECAP processing on the mechanical behavior of CuCoNiBe alloys is discussed thoroughly based on the material responses to tensile and compressive loading conditions. The results show that, besides a considerable strength enhancement, ECAP processing leads to a strong tension-compression asymmetry and significantly accelerated precipitation kinetics in CuCoNiBe alloys.

Keywords: copper alloys; equal channel angular pressing (ECAP); mechanical behavior; severe plastic deformation (SPD); tension-compression asymmetry
Corresponding author: Cagatay Elibol, Department of Materials Science and Technology, Turkish-German University, Istanbul 34820, Turkey, E-mail:

Funding source: Scientific Research Projects Unit of Turkish-German University

Award Identifier / Grant number: 2019BF0004

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: Scientific Research Projects Unit of Turkish-German University [Award Number: 2019BF0004].

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Published Online: 2022-09-06
Published in Print: 2022-09-27

© 2022 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Effect of local heat treatment on residual stresses in an in-service repair welded pipeline
  3. Tension-compression asymmetry of quadruple CuCoNiBe alloys processed by high-temperature multi-pass equal channel angular pressing (ECAP)
  4. Structural properties of sputter-deposited nanocrystalline Ni thin films
  5. Effect of the notch location on the Charpy-V toughness results for robotic flux-cored arc welded multipass joints
  6. Effect of micro and nano-sized ZrSiO4 particles on the friction and wear properties of polymer matrix composites
  7. Evaluation of the plastic deformation behavior of modified 100Cr6 steels with increased fractions of retained austenite using cyclic indentation tests
  8. Thermomechanical evaluation of a glass-epoxy composite for astronomical optical devices
  9. Artificial gorilla troops algorithm for the optimization of a fine plate heat exchanger
  10. Metallurgical properties of boride layers formed in pack boronized cementation steel
  11. Numerical study of composite plates jointed adhesively with interspaced and interspaced double-lap joint subject to tensile load
  12. Thermal analysis and performance testing of heavy load truck composite brake linings
  13. Vibration characteristics of mineral composite beams by experimental modal test method
  14. Overview of friction welding processes for different metallic materials
https://doi.org/10.1515/mt-2022-0091
Schlagwörter für diesen Artikel
copper alloys; equal channel angular pressing (ECAP); mechanical behavior; severe plastic deformation (SPD); tension-compression asymmetry

Artikel in diesem Heft

  1. Frontmatter
  2. Effect of local heat treatment on residual stresses in an in-service repair welded pipeline
  3. Tension-compression asymmetry of quadruple CuCoNiBe alloys processed by high-temperature multi-pass equal channel angular pressing (ECAP)
  4. Structural properties of sputter-deposited nanocrystalline Ni thin films
  5. Effect of the notch location on the Charpy-V toughness results for robotic flux-cored arc welded multipass joints
  6. Effect of micro and nano-sized ZrSiO4 particles on the friction and wear properties of polymer matrix composites
  7. Evaluation of the plastic deformation behavior of modified 100Cr6 steels with increased fractions of retained austenite using cyclic indentation tests
  8. Thermomechanical evaluation of a glass-epoxy composite for astronomical optical devices
  9. Artificial gorilla troops algorithm for the optimization of a fine plate heat exchanger
  10. Metallurgical properties of boride layers formed in pack boronized cementation steel
  11. Numerical study of composite plates jointed adhesively with interspaced and interspaced double-lap joint subject to tensile load
  12. Thermal analysis and performance testing of heavy load truck composite brake linings
  13. Vibration characteristics of mineral composite beams by experimental modal test method
  14. Overview of friction welding processes for different metallic materials
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