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Nano-CeO2 Doped Cu–Al–Ni SMAs with Enhanced Mechanical as well as Shape Recovery Characteristics

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Abstract

Effect of nano-CeO2 doping was studied on self-accommodating Cu–12Al–4Ni based shape memory alloys. Cu–Al–Ni based alloys are known for their high thermal stability and good shape memory properties but mechanical processing of these alloys is very difficult due to their high brittle nature and susceptibility to inter-granular failure. The present work deals with the enhancement of mechanical as well as shape recovery characteristics of these alloys with the addition of nano-CeO2. Significant improvements in ductility (1.8 times), strength and shape recovery were observed with the addition of nano-CeO2 with respect to the base alloy.

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Acknowledgements

The authors express their gratitude to Director, CSIR-AMPRI for extending laboratory facilities to carry out the work. One of the authors expresses his thankfulness to AcSIR-AMPRI, Bhopal, India for funding the scholarship.

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Authors and Affiliations

  1. CSIR-Advanced Materials and Processes Research Institute, Bhopal, 462026, India

    Shahadat Hussain, Abhishek Pandey & Rupa Dasgupta

  2. Academy of Scientific and Innovative Research, CSIR-AMPRI, Bhopal, MP, 462026, India

    Shahadat Hussain, Abhishek Pandey & Rupa Dasgupta

  3. Department of Materials Science and Engineering, Monash University, Clayton, VIC, 3800, Australia

    Abhishek Pandey

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  1. Shahadat Hussain
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  2. Abhishek Pandey
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  3. Rupa Dasgupta
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Correspondence to Shahadat Hussain.

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Hussain, S., Pandey, A. & Dasgupta, R. Nano-CeO2 Doped Cu–Al–Ni SMAs with Enhanced Mechanical as well as Shape Recovery Characteristics. Met. Mater. Int. 27, 1478–1482 (2021). https://doi.org/10.1007/s12540-019-00570-2

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  • DOI: https://doi.org/10.1007/s12540-019-00570-2

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