Prof. Mohamed Khlif
Mechanical Engineering Department, National Engineering School of Sfax, Sfax, Tunisia
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Academic Career Length
12Years (2015-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
View All Publications1 June 2020 in Industrial Crops and Products
Journal Article
RCRania Chaari
Rania ChaariMohamed KhlifHMHanen Mallek
Hanen MallekCBChedly Bradai
Chedly Bradai
CLCatherine Lacoste
Catherine Lacoste
PDPhilippe Dony
Philippe Dony +2
1 October 2020 in Industrial Crops and Products
Journal Article
FKF. Kharrat
F. KharratMohamed KhlifLHLoic Hilliou
Loic HilliouMHM. Haboussi
M. HaboussiJCJ.A. Covas
J.A. Covas
CBC. Bradai
C. Bradai
+1
Journal Article
WKwassim Kharrat
wassim Kharrat
Ahmed KoubaaMohamed KhlifCBchedly bradai
chedly bradaiCurrently, ultrasonic measurement is a widely used nondestructive approach to determine wood elastic properties, including the dynamic modulus of elasticity (DMOE). DMOE is determined based on wood density and ultrasonic wave velocity measurement. The use of wood average density to estimate DMOE introduces significant imprecision: Density varies due to intra-tree and intra-ring differences and differing silvicultural treatments. To ensure accurate DMOE assessment, we developed a prototype device to measure ultrasonic wave velocity with the same resolution as that provided by the X-ray densitometer for measuring wood density. A nondestructive method based on X-ray densitometry and the developed prototype was applied to determine radial and intra-ring wood DMOE profiles. This method provides accurate information on wood mechanical properties and their sources of variation. High-order polynomials were used to model intra-ring wood density and DMOE profiles in black spruce and jack pine wood. The transition from earlywood to latewood was defined as the inflection point. High and highly significant correlations were obtained between predicted and measured wood density and DMOE. An examination of the correlations between wood radial growth, density, and DMOE revealed close correlations between density and DMOE in rings, earlywood, and latewood
Journal Article
MRMarouan Rejeb
Marouan RejebAhmed KoubaaFEFayez Elleuch
Fayez ElleuchFGFrançois Godard
François GodardSMSébastien Migneault
Sébastien MigneaultHMHatem Mrad
Hatem Mrad +1
Wood polymer composites (WPC) are sensitive to moisture because of the hydrophilic nature of the wood fibers. The main objective of this study was to improve the dimensional stability of WPCs by coating. Polypropylene and polylactic acid were reinforced by three pulp fibers (kraft, thermomechanical (TMP), and chemothermomechanical (CTMP)) at three fiber contents (50, 60, and 70% w/w). The resulting WPCs were coated using two commercial coatings, epoxy and acrylic. Kraft fiber WPCs were less sensitive to moisture than TMP and CTMP WPCs. These differences were explained by the crystallinity of the kraft fibers and their better interfacial adhesion to the polymers. The epoxy coating proved to be more effective than the acrylic coating and significantly reduced the water absorption and the thickness swell for all formulations. Negative relationships between the contact angle and water absorption were obtained. These relationships depend on the fiber content and type, the matrix nature, and the coating.
1 June 2021 in Construction and Building Materials
Journal Article
HMHajer Makni
Hajer MakniMohamed KhlifFBFrédéric Becquart
Frédéric Becquart
NANor-Edine Abriak
Nor-Edine Abriak
CBChedly Bradai
Chedly Bradai
14 September 2024 in Journal of Alloys and Compounds
Journal Article
MAMohamed Dhia Ayadi
Mohamed Dhia Ayadi
SNSlim Naifar
Slim Naifar
Mohamed KhlifBZBassem Zouari
Bassem Zouari
UZUwe Zschenderlein
Uwe Zschenderlein
OKOlfa Kanoun
Olfa Kanoun
+1
About Me
P. Mohamed KHLIF is a Professor in Mechanical Engineering and Head of the Mechanical Engineering Department at the National Engineering School of Sfax (ENIS), Tunisia. He holds a PhD in Mechanical Engineering (ENIS, 2010) and a University Habilitation (ENIS, 2022), following a Master's degree in Mechanical Engineering (ENIS, 2004).
A member of the Electromechanical Systems Laboratory (LASEM), his research focuses on multi-scale characterization of composites and bio-sourced materials, processing and optimization of manufacturing processes, as well as the dynamic behavior of polymers and alloys. His work has resulted in two invention patents and around thirty publications in international scientific journals. He also serves as a reviewer for several international scientific journals. He supervises around twenty Final Year Projects, eight research master's theses, and five doctoral theses.
At the institutional level, he is a member of the LASEM council and served on the University of Sfax council from 2017 to 2020. He is the Treasurer and Founding Member of the Mediterranean Association of Materials and Environment (A2ME) and a member of the Tunisian Mechanical Association (ATM). He also coordinates research and development partnership agreements with industrial partners (SOPAL, ATLAS) and regularly contributes to the organization of international scientific conferences.