Impact Strengthening of Laminated Kevlar/Epoxy Composites by Nanoparticle Reinforcement

Mourad, Abdel Hamid, IUnited Arab Emirate Univ, Coll Engn, Mech Engn Dept, Al Ain 15551, U Arab Emirates.;Helwan Univ, Fac Engn, Mech Design Dept, Cairo 11795, Egypt. (författare)

QC 20210122
Herein, we report the fabrication and characterization of high-strength Kevlar epoxy composite sheets for structural application. This process includes optimization of the curing conditions of composite preparation, such as curing time and temperature, and the incorporation of nanofillers, such as aluminum oxide (Al2O3), silicon carbide (SiC), and multi-walled carbon nanotubes (MWCNT) in different weight percentages. Differential scanning calorimetry (DSC) was utilized to investigate the thermal stability and curing behavior of the epoxy, finding that a minimum of 5 min is required for complete curing under an optimized temperature of 170 degrees C. Moreover, mechanical characterization, including flexural and drop-weight tests, were performed and found to be in good agreement with the DSC results. Our results show that nanofiller incorporation improves the mechanical properties of Kevlar epoxy composites. Among the tested samples, 0.5% MWCNT incorporation obtained the highest mechanical strength.

Cherupurakal, NizamudeenUnited Arab Emirate Univ, Coll Engn, Mech Engn Dept, Al Ain 15551, U Arab Emirates. (författare)
Hafeez, FarrukhUniv Birmingham, Dept Mech Engn, Dubai 341799, U Arab Emirates. (författare)
Barsoum, ImadKTH,Teknisk mekanik,Khalifa Univ, Dept Mech Engn, Abu Dhabi 127788, U Arab Emirates(Swepub:kth)u185v8l3 (författare)
Genena, Farah A.United Arab Emirate Univ, Coll Engn, Mech Engn Dept, Al Ain 15551, U Arab Emirates. (författare)
Al Mansoori, Mouza S.United Arab Emirate Univ, Coll Engn, Mech Engn Dept, Al Ain 15551, U Arab Emirates. (författare)
Al Marzooqi, Lamia A.United Arab Emirate Univ, Coll Engn, Mech Engn Dept, Al Ain 15551, U Arab Emirates. (författare)
United Arab Emirate Univ, Coll Engn, Mech Engn Dept, Al Ain 15551, U Arab Emirates.;Helwan Univ, Fac Engn, Mech Design Dept, Cairo 11795, Egypt.United Arab Emirate Univ, Coll Engn, Mech Engn Dept, Al Ain 15551, U Arab Emirates. (creator_code:org_t)

Av författaren/redakt...: Mourad, Abdel Ha ...; Cherupurakal, Ni ...; Hafeez, Farrukh; Barsoum, Imad; Genena, Farah A.; Al Mansoori, Mou ...; visa fler...; Al Marzooqi, Lam ...; visa färre...

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