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Thermo-mechanical Effects in Mechanical Polishing of Natural Fiber Composites

Communication avec acte
Auteur
BUKKAPATNAM, Satish
ccEL MANSORI, Mohamed
211915 Mechanics surfaces and materials processing [MSMP]
ccCHEGDANI, Faissal

URI
http://hdl.handle.net/10985/17487
DOI
10.1016/j.promfg.2018.07.038
Date
2018

Résumé

Efficient machining and finishing of natural fiber reinforced plastic (NFRP) composites is essential for realizing the industrial application envisaged of these promising, environmentally friendly materials. While prior efforts allude to the multiscale nature of their material removal mechanisms, little understanding currently exists on the thermal effects of their material removal behaviors. This experimental study aims to characterize the thermal effects during the polishing of NFRP composites. For this aim, dry and wet polishing have been performed following several polishing steps on unidirectional flax fibers reinforced polypropylene composites. Results from scanning electron microscopy (SEM) and optical interferometry studies reveal a significant difference between dry and wet polishing in terms of surface artifacts induced. This difference is enhanced at higher sliding speed, indicating that the asperity removal during polishing is mostly thermally mediated. The results also indicate that the surface forming of flax fibers is related to the mechanical contact scale engendered by the grit size.

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MSMP_PM_2018_CHEGDANI.pdf
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  • Laboratoire Mechanics, Surfaces and Materials Processing (MSMP)

Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • Thermal effect on the tribo-mechanical behavior of natural fiber composites at micro-scale 
    Article dans une revue avec comité de lecture
    BUKKAPATNAM, Satish T.S.; EL AMRI, Iskander; ccEL MANSORI, Mohamed; ccCHEGDANI, Faissal (Elsevier, 2019)
    This paper aims to explore the thermal influence on the micro-tribo-mechanical behavior of natural fiber composites. Nanoindentation and scratch-test are used to characterize flax fibers reinforced polypropylene (PP) ...
  • Characterization of the physical origins of acoustic emission (AE) from natural fiber reinforced polymers (NFRPs) machining processes 
    Article dans une revue avec comité de lecture
    WANG, Zimo; GUO, Ruiqi; MA, Qiyang; ccCHEGDANI, Faissal; TAI, Bruce; BUKKAPATNAM, Satish T. S.; ccEL MANSORI, Mohamed (Springer Nature, 2021-09-08)
    Natural fiber reinforced polymers (NFRPs) are environmentally friendly and are receiving growing attention in the industry. However, the multi-scale structure of natural fibers and the random distribution of the fibers in ...
  • Multiscale tribo-mechanical analysis of natural fiber composites for manufacturing applications 
    Article dans une revue avec comité de lecture
    WANG, Zimo; BUKKAPATNAM, Satish; ccEL MANSORI, Mohamed; ccCHEGDANI, Faissal (Elsevier, 2018)
    This paper aims to investigate the tribo-mechanical behavior of natural fiber reinforced plastic (NFRP) composites with specific consideration of the multiscale complex structure of natural fibers. Understanding the ...
  • Thermal Effects on Tribological Behavior in Machining Natural Fiber Composites 
    Communication avec acte
    TAKABI, Behrouz; TAI, Bruce; BUKKAPATNAM, Satish; ccEL MANSORI, Mohamed; ccCHEGDANI, Faissal (ELSEVIER, 2018)
    Machining natural fibers reinforced plastic (NFRP) composites is nowadays a real challenge for academia and industries. These eco-friendly materials are emerging in automotive and aeronautical industries thanks to many ...
  • Micromechanical modeling of the machining behavior of natural fiber-reinforced polymer composites 
    Article dans une revue avec comité de lecture
    T. S. BUKKAPATNAM, Satish; REDDY, J. N.; ccEL MANSORI, Mohamed; ccCHEGDANI, Faissal (Springer Verlag, 2019)
    This paper aims to develop a 2D finite element (FE) model at microscale for numerical simulation of the machining behavior of natural fiber-reinforced polymer (NFRP) composites. The main objective of this study is to ...

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