Cyclic plasticity and creep-cyclic plasticity behaviours of the SiC/Ti-6242 particulate reinforced titanium matrix composites under thermo-mechanical loadings

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Giugliano, Dario and Cho, Nak-Kyun and Chen, Haofeng and Gentile, Lorenzo (2019) Cyclic plasticity and creep-cyclic plasticity behaviours of the SiC/Ti-6242 particulate reinforced titanium matrix composites under thermo-mechanical loadings. Composite Structures, 218. pp. 204-216. ISSN 0263-8223 (https://doi.org/10.1016/j.compstruct.2019.03.030)

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Abstract

The purpose of this work is to investigate the cyclic plasticity and creep-cyclic plasticity behaviours of particle reinforced titanium matrix composites (PRTMCs) SiC/Ti-6242, aimed to be used in high temperature applications. The investigation has been conducted upon microstructures that have been taken from a previous study where low-fidelity model-based optimization (LFMBO) has been used to maximise the elastic behaviour of particle reinforced aluminium matrix composites. The effect of the particle spatial distribution, particle fraction volume and number of particles on the shakedown limit, limit load and creep-cyclic plasticity have been explored by direct numerical techniques based on the Linear Matching Method (LMM) framework. The micromechanical approach to modelling and fifteen multi-particle unit cells have been investigated. Under cyclic loading conditions, the structural response of PRTMCs is not trivial and becomes even more significant when high temperature is involved. Hence, the factors that affect the creep and cyclic plasticity of PRTMCs are analysed and discussed, including effects of the applied load level, dwell period and temperature on the composites' performance. The applicability and accuracy of the proposed direct method has also been verified by the step-by-step analysis.

ORCID iDs

Giugliano, Dario, Cho, Nak-Kyun, Chen, Haofeng ORCID logoORCID: https://orcid.org/0000-0001-6864-4927 and Gentile, Lorenzo;
  • Item type:Article
    ID code:67217
    Dates:
    Date
    Event
    15 June 2019
    Published
    8 March 2019
    Published Online
    6 March 2019
    Accepted
    14 August 2018
    Submitted
    Notes:Copyright © 2019 Elsevier B.V., its licensors, and contributors. All rights are reserved, including those for text and data mining, AI training, and similar technologies. For all open access content, the Creative Commons licensing terms apply. Dario Giugliano, Nak-Kyun Cho, Haofeng Chen, Lorenzo Gentile, Cyclic plasticity and creep-cyclic plasticity behaviours of the SiC/Ti-6242 particulate reinforced titanium matrix composites under thermo-mechanical loadings, Composite Structures, Volume 218, 2019, Pages 204-216, https://doi.org/10.1016/j.compstruct.2019.03.030
    Subjects:Technology > Mechanical engineering and machinery
    Department:Faculty of Engineering > Mechanical and Aerospace Engineering
    Depositing user: Pure Administrator
    Date deposited:07 Mar 2019 15:24
    Last modified:12 Dec 2024 07:50
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/67217
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