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Study on Basic Characteristics of CuAlBe Shape Memory Alloy

  • Condensed Matter
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Abstract

In this work, the CuAlBe shape memory alloy (SMA) with a new composition of 77.05Cu-22.02Al-0.93Be (at.%) detected by the EDS test was fabricated in a vacuum arc melter under a pure argon atmosphere. At the beginning, the high-purity (%99.9) elements of Cu, Al, and Be powders were mixed and the mixture (~ 10 g) was formed as pellets by pressure. By melting the pellets in arc melter, the as-cast ingot alloy was obtained. Then, the ingot alloy was cut into small pieces (~ 30–50 mg) and then all of these samples were all homogenized in the β-phase region (at 900 °C for 1 h) and immediately submerged in traditional iced-brine water to form β1’ martensite phase in the alloy which results from such fast cooling by suppressing the formation of hypoeutectoid precipitations (α and γ2). Then, to uncover and evaluate the existence of martensite structure and the characteristics of shape memory alloy properties of the alloy, the specimens were tested by calorimetric and structural measurements. The results of thermal heating/cooling cycles of the alloy were obtained from differential scanning calorimetry (DSC) measurements that were taken twice at 5 °C/min of heating/cooling rate under constant argon gas flow (100 ml/min) and by using liquid nitrogen cooling support to reach lower temperatures than room temperature. The DSC thermograms of the alloy revealed the characteristic martensitic transformation peaks that occurred endothermic by heating and exothermic by cooling at moderate temperatures ranging between 19 and 66 °C, regarded as evidence for the presence of shape memory effect property in the alloy. Important thermodynamical parameters such as transformation temperatures, hysteresis gap, and entropy and enthalpy change amounts for these back and forward martensitic phase transition peaks were determined directly by using data of DSC peak analyses and by calculation. Differential thermal analysis (DTA) measurement that was taken from room temperature to 900 °C at a heating/cooling rate of 25 °C/min displayed a high-temperature behavior of the alloy as compatible with the common behavior of Cu-Al SMAs. The X-ray test of the alloy conducted at room conditions showed sharp diffraction peaks and their matching crystal planes which indicate the existence of β1′ martensite phase in the alloy and its high single-like crystallinity i.e. its large Debye-Scherrer sub-micrometer crystallite size. Besides, theoretical forecasting about the existence and volumetric dominance of martensite phases was deduced from the calculated value of e/a (average conduction electron concentration per atom) parameter of the alloy. Furthermore, the mechanical Vickers microhardness tests that were performed at room temperature and under 100-gf load applied for 10 s revealed the high ductility and softness features of the alloy. Considering all the results, the highly ductile CuAlBe alloy with new composition owing shape memory alloy properties and intermediate working temperatures can be useful in various kinds of research and applications in which Cu-based SMAs are exploited.

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References

  1. C.M. Wayman, K. Otsuka, Shape memory materials (Cambridge University Press, 1998), pp. 1–50

  2. K. Otsuka, X. Ren, Recent developments in the research of shape memory alloys. Intermetallics 7, 511–528 (1999). https://doi.org/10.1016/S0966-9795(98)00070-3

    Article  Google Scholar 

  3. Y. Furuya, Design and material evaluation of shape memory composites. Int. J. Fatigue 10(19), 724–330 (1997). https://doi.org/10.1177/1045389X9600700313

    Article  MathSciNet  Google Scholar 

  4. R. Dasgupta, A look into Cu-based shape memory alloys: present scenario and future prospects. J. Mater. Res. 29(16) (2014). https://doi.org/10.1557/jmr.2014.189

  5. Ferreño et al., Thermal treatments and transformation behavior of Cu-Al-Be shape memory alloys. J. Alloys Compd. 577, 463–467 (2013). https://doi.org/10.1016/j.jallcom.2012.02.006

    Article  Google Scholar 

  6. J. Lerner, et al., The effect of tin on the susceptibility of a Cu–Al alloy to cracking in mercury, Mater. Sci. Eng.: A Volume 345 (1–2): 357–358, (2003). https://doi.org/10.1016/S0921-5093(02)00098-9

  7. C.A. Canbay, O. Karaduman, N. Ünlü, İ. Özkul, An exploratory research of calorimetric and structural shape memory effect characteristics of Cu–Al–Sn alloy, Physica B: Condensed Matter. 580, 411932 (2020). https://doi.org/10.1016/j.physb.2019.411932

  8. S.M. Chentouf, M. Bouabdallah, H. Cheniti, A. Eberhardt, E. Patoor, A. Sari, Ageing study of Cu–Al–Be hypoeutectoid shape memory alloy. Mater. Charact. 61(11), 1187–1193 (2010). https://doi.org/10.1016/j.matchar.2010.07.009

    Article  Google Scholar 

  9. C. Aksu Canbay, A. Aydoğdu, Thermal analysis of Cu-14.82 wt% Al-0.4 wt% Be shape memory alloy. J. Therm. Anal. Calorim. 113, 731–737 (2013). https://doi.org/10.1007/s10973-012-2792-6

    Article  Google Scholar 

  10. S.N. Balo, M. Ceylan, M. Aksoy, Effects of deformation on the microstructure of a Cu–Al–Be shape memory alloy. Mater. Sci. Eng. A 311(1–2), 151–156 (2001). https://doi.org/10.1016/S0921-5093(01)00927-3

    Article  Google Scholar 

  11. H. Tong, C. Wayman, Characteristic temperatures and other properties of thermoelastic martensites. Acta. Metall. 22, 887–896 (1974). https://doi.org/10.1016/0001-6160(74)90055-8

    Article  Google Scholar 

  12. M.O. Prado, P.M. Decorte, F. Lovey, Martensitic transformation in Cu-Mn-Al alloys. Scr. Metall. Mater. 33(6), 877–883 (1995). https://doi.org/10.1016/0956-716X(95)00292-4

    Article  Google Scholar 

  13. S.M. Chentouf, M. Bouabdallah, J.C. Gachon, E. Patoor, A. Sari, Microstructural and thermodynamic study of hypoeutectoidal Cu–Al–Ni shape memory alloys. J. Alloy. Comp. 470, 507–514 (2009). https://doi.org/10.1016/j.jallcom.2008.03.009

    Article  Google Scholar 

  14. M.T. Ochoa-Lara, H. Flores-Zúñiga, D. Rios-Jara, G. Lara-Rodríguez, In situ X-ray study of order–disorder phase transitions in Cu–Al–Be melt spun ribbons. J. Mater. Sci. 41, 4755–4758 (2006). https://doi.org/10.1007/s10853-006-0026-7

    Article  ADS  Google Scholar 

  15. C.A. Canbay, O. Karaduman, N. Ünlü, S.A. Baiz, İ. Özkul, Heat treatment and quenching media effects on the thermodynamical, thermoelastical and structural characteristics of a new Cu-based quaternary shape memory alloy. Composites Part B 174, 106940 (2019). https://doi.org/10.1016/j.compositesb.2019.106940

    Article  Google Scholar 

  16. M. Ahlers, Phase stability of martensitic structures. Le J Phy IV 5(C8), C8-C71–C88-80 (1995). https://doi.org/10.1051/jp4:1995808

    Article  Google Scholar 

  17. J. Pelegrina, M. Ahlers, The martensitic phases and their stability in Cu-Zn and Cu-Zn-Al alloys-I. The transformation between the high temperature β phase and the18R martensite. Acta Metall. Mater. 40, 3205–3211 (1992). https://doi.org/10.1016/0956-7151(92)90033-B

    Article  Google Scholar 

  18. Canbay et al., Investigation of varied quenching media effects on the thermodynamical and structural features of a thermally aged CuAlFeMn HTSMA. Phys. B. Cond. Matt. 557, 117–125 (2019). https://doi.org/10.1016/j.physb.2019.01.011

    Article  ADS  Google Scholar 

  19. A. Patterson, The scherrer formula for X-ray particle size determination. Phys. Rev. 56(10), 978–982 (1939). https://doi.org/10.1103/PhysRev.56.978

    Article  ADS  MATH  Google Scholar 

  20. J.P. Oliveira, Z. Zeng, S. Berveiller, D. Bouscaud, F.M. Braz Fernandes, R.M. Miranda, N. Zhou, Laser welding of Cu-Al-Be shape memory alloys: microstructure and mechanical properties, materials & design. Vol. 148, 145–152 (2018). https://doi.org/10.1016/j.matdes.2018.03.066

    Article  Google Scholar 

  21. J.P. Oliveira, B. Panton, Z. Zeng, T. Omori, Y. Zhou, R.M. Miranda, F.M. Braz Fernandes, Laser welded superelastic Cu–Al–Mn shape memory alloy wires. Mater. Des. 90, 122–128 (2016). https://doi.org/10.1016/j.matdes.2015.10.125

    Article  Google Scholar 

  22. J.P. Oliveira, B. Crispim, Z. Zeng, T. Omori, F.M. Braz Fernandes, R.M. Miranda, Microstructure and mechanical properties of gas tungsten arc welded Cu-Al-Mn shape memory alloy rods. Journal of Materials Processing Technology, Volume 271, 93–100 (2019). https://doi.org/10.1016/j.jmatprotec.2019.03.020

    Article  Google Scholar 

  23. A. Agrawal, S.K. Vajpai, Preparation of Cu–Al–Ni shape memory alloy strips by spray deposition-hot rolling route. Mater. Sci. Technol. 36(12), 1337–1348 (2020). https://doi.org/10.1080/02670836.2020.1781354

    Article  Google Scholar 

  24. J.d.B. Simões, E.M.A. Pereira, J.J.d.M. Santiago, C.J.d. Araújo, Microstructure and thermal analyses of Cu87-xAl13Nbx high-temperature shape memory alloys. Mater. Res. 22(Suppl. 1), e20180849. Epub November 28, 2019 (2019). https://doi.org/10.1590/1980-5373-mr-2018-0849

    Article  Google Scholar 

  25. S. Montecinos, S. Tognana, W. Salgueiro, Determination of the Young’s modulus in CuAlBe shape memory alloys with different microstructures by impulse excitation technique. Materials Science and Engineering: A, Vol. 676, 121–127 (2016). https://doi.org/10.1016/j.msea.2016.08.100

    Article  Google Scholar 

  26. S. Tognana, S. Montecinos, W. Salgueiro, Influence of quenched-in vacancies on the elastic modulus and its dependence on the temperature in β CuAlBe shape memory alloys, Intermetallics. Vol. 111, 106485 (2019). https://doi.org/10.1016/j.intermet.2019.106485

    Article  Google Scholar 

  27. R.K. Singh, S.M. Murigendrappa, S. Kattimani, Investigation on properties of shape memory alloy wire of Cu-Al-Be doped with zirconium. J. of Materi Eng and Perform (2020). https://doi.org/10.1007/s11665-020-05233-7

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Authors and Affiliations

  1. Department of Physics, Faculty of Science, Firat University, Elazig, Turkey

    C. Aksu Canbay, O. Karaduman & N. Ünlü

  2. Department of Mechanical Engineering, Faculty of Engineering, Mersin University, Mersin, Turkey

    İ. Özkul

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  1. C. Aksu Canbay
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  2. O. Karaduman
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Correspondence to C. Aksu Canbay.

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Canbay, C.A., Karaduman, O., Ünlü, N. et al. Study on Basic Characteristics of CuAlBe Shape Memory Alloy. Braz J Phys 51, 13–18 (2021). https://doi.org/10.1007/s13538-020-00823-1

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