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    Characterizing and modeling the pressure- and rate-dependent elastic-plastic-damage behaviors of polypropylene-based polymers

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    Type
    Article
    Authors
    Pulungan, Ditho Ardiansyah cc
    Yudhanto, Arief cc
    Goutham, Shiva
    Lubineau, Gilles cc
    Yaldiz, Recep
    Schijve, Warden
    KAUST Department
    Composite and Heterogeneous Material Analysis and Simulation Laboratory (COHMAS)
    Mechanical Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2018-02-24
    Online Publication Date
    2018-02-24
    Print Publication Date
    2018-07
    Permanent link to this record
    http://hdl.handle.net/10754/627194
    
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    Abstract
    Polymers in general exhibit pressure- and rate-dependent behavior. Modeling such behavior requires extensive, costly and time-consuming experimental work. Common simplifications may lead to severe inaccuracy when using the model for predicting the failure of structures. Here, we propose a viscoelastic viscoplastic damage model for polypropylene-based polymers. Such a set of constitutive equations can be used to describe the response of polypropylene under various strain-rates and stress-triaxiality conditions. Our model can also be applied to a broad range of thermoplastic polymers. We detail the experimental campaign that is needed to identify every parameter of the model at best. We validated the proposed model by performing 3-point bending tests at different loading speeds, where the load-displacement response of polypropylene beam up to failure was accurately predicted.
    Citation
    Pulungan D, Yudhanto A, Goutham S, Lubineau G, Yaldiz R, et al. (2018) Characterizing and modeling the pressure- and rate-dependent elastic-plastic-damage behaviors of polypropylene-based polymers. Polymer Testing. Available: http://dx.doi.org/10.1016/j.polymertesting.2018.02.024.
    Sponsors
    The research reported in this publication was supported by SABIC and King Abdullah University of Science and Technology (KAUST). First author would like to thank Mr. Yongwei Wang for deep math discussions.
    Publisher
    Elsevier BV
    Journal
    Polymer Testing
    DOI
    10.1016/j.polymertesting.2018.02.024
    Additional Links
    https://www.sciencedirect.com/science/article/pii/S0142941818300436
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.polymertesting.2018.02.024
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program

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