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Effect of niobium addition on the microstructure and wear properties of mechanical alloyed Cu–Al–Ni shape memory alloy

  • Bekir Yavuzer ORCID logo EMAIL logo , Mustafa Türkmen , Ünal Bıçakçı and Dursun Özyürek
Published/Copyright: May 29, 2024
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Materials Testing
From the journal Materials Testing Volume 66 Issue 8

Abstract

In this study, the influence of the addition of Nb in varying amounts (0.5, 1, 1.5, and 2 wt.%) to Cu–14Al–4Ni shape memory alloy on the microstructure and wear behavior of the alloy was investigated. Cu–Al–Ni-xNb alloys were produced from elemental powders using the mechanical alloying (MA) method. The microstructures of the produced samples were examined using SEM + EDS and XRD, and density and hardness measurements were performed. For the wear tests of Cu–14Al–4Ni and alloys containing different amounts of Nb, a pin-on-disk type wear testing device was used with three different loads (10 N, 20 N, and 30 N) and five different sliding distances (400 m, 800 m, 1,200 m, 1,600 m, and 2000 m). As a result of the conducted research, it was determined that an increase in the Nb content resulted in a decrease in the average grain size and a more homogeneous grain size distribution. The highest hardness and density values were measured in the alloy with 2 wt.% Nb addition. In the wear tests, it was observed that the friction coefficients decreased with increasing load, and the lowest wear rate was achieved in the alloy with 2 wt.% Nb addition.

Keywords: Cu–Al–Ni; shape memory alloy; microstructure; wear; hardness
Corresponding author: Bekir Yavuzer, Faculty of Engineering Architecture, Mechanical Engineering, İstanbul Beykent University, Istanbul 34396, Türkiye, E-mail:

  1. Research ethics: Not applicable.

  2. Author contributions: The authors has accepted responsibility for the entire content of this manuscript and approved its submission.

  3. Competing interests: The authors state no conflict of interest.

  4. Research funding: None declared.

  5. Data availability: Not applicable.

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Published Online: 2024-05-29
Published in Print: 2024-08-27

© 2024 Walter de Gruyter GmbH, Berlin/Boston

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  1. Frontmatter
  2. An improved white shark optimizer algorithm used to optimize the structural parameters of the oil pad in the hydrostatic bearing
  3. Microstructure and oxidation of a Ni–Al based intermetallic coating formation on a Monel-400 alloy
  4. Friction, wear, and hardness properties of hybrid vehicle brake pads and effects on brake disc roughness
  5. Development of sinter linings for high-speed trains
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  7. Mechanical analysis of hybrid structured aircraft wing ribs with different geometric gaps
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  9. Compositional zoning and evolution of symplectite coronas in jadeitite
  10. Effect of niobium addition on the microstructure and wear properties of mechanical alloyed Cu–Al–Ni shape memory alloy
  11. Optimization of electric vehicle design problems using improved electric eel foraging optimization algorithm
  12. Effects of infill pattern and compression axis on the compressive strength of the 3D-printed cubic samples
  13. Microstructure and tribological properties of aluminum matrix composites reinforced with ZnO–hBN nanocomposite particles
  14. Marathon runner algorithm: theory and application in mathematical, mechanical and structural optimization problems
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https://doi.org/10.1515/mt-2024-0043
Keywords for this article
Cu–Al–Ni; shape memory alloy; microstructure; wear; hardness

Articles in the same Issue

  1. Frontmatter
  2. An improved white shark optimizer algorithm used to optimize the structural parameters of the oil pad in the hydrostatic bearing
  3. Microstructure and oxidation of a Ni–Al based intermetallic coating formation on a Monel-400 alloy
  4. Friction, wear, and hardness properties of hybrid vehicle brake pads and effects on brake disc roughness
  5. Development of sinter linings for high-speed trains
  6. Wear resistance optimized by heat treatment of an in-situ TiC strengthened AlCoCrFeNi laser cladding coating
  7. Mechanical analysis of hybrid structured aircraft wing ribs with different geometric gaps
  8. Thermo-mechanical characteristics of spent coffee grounds reinforced bio-composites
  9. Compositional zoning and evolution of symplectite coronas in jadeitite
  10. Effect of niobium addition on the microstructure and wear properties of mechanical alloyed Cu–Al–Ni shape memory alloy
  11. Optimization of electric vehicle design problems using improved electric eel foraging optimization algorithm
  12. Effects of infill pattern and compression axis on the compressive strength of the 3D-printed cubic samples
  13. Microstructure and tribological properties of aluminum matrix composites reinforced with ZnO–hBN nanocomposite particles
  14. Marathon runner algorithm: theory and application in mathematical, mechanical and structural optimization problems
  15. Parameter identification of Yoshida–Uemori combined hardening model by using a variable step size firefly algorithm
  16. Identification of the tip mass parameters in a beam-tip mass system using response surface methodology
  17. Production and characterization of waste walnut shell powder that can be used as a sustainable eco-friendly reinforcement in biocomposites
  18. Anticorrosion performance of a zinc-rich cycloaliphatic epoxy resin coating containing CeO2 nanoparticle
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