Results 71 to 80 of about 4,647 (251)

From Growing Conditions to Composite Performance: Acid‐Engineered Algerian Sisal Fibers for Sustainable Bio‐Epoxy Composites

open access: yesPolymer Composites, EarlyView.
High‐Performance Sustainable Ski Core Bio‐Composite Derived from Bio‐Epoxy and Sisal Sibers Systems. ABSTRACT In pursuit of sustainable and high‐performance materials, this work investigates the potential of Algerian sisal fibers as renewable reinforcements in bio‐epoxy composites.
M. A. Kacem   +4 more
wiley   +1 more source

Mechanism Based Evaluation of Scratch Damage in Diatom Frustule Reinforced Epoxy Composites

open access: yesPolymer Composites, EarlyView.
Mechanism‐based interpretation of scratch deformation in diatom frustule reinforced epoxy composites through the combined evaluation of scratch hardness, penetration depth, relative cutting volume (RCV), profilometry, SEM observations, and statistical analysis.
Elif Gültürk, Salih Talha Yıldırım
wiley   +1 more source

Finite-Element Analysis of Flexural Strengthening Performance of Fire-Damaged RC Beams

open access: yesInternational Journal of Concrete Structures and Materials
In this study, a simplified cross-sectional approach based on finite-element analysis was developed to evaluate the flexural strengthening performance of fire-damaged RC beams using externally bonded steel plates and CFRP strips. The strength degradation
Lybundith Eng, Changhyuk Kim
doaj   +1 more source

Functionally Graded Nanofiber Interlayers for Hydrothermally Aged Glass/Epoxy Laminates: Mechanical Performance and Electromagnetic Attenuation

open access: yesPolymer Composites, EarlyView.
Functionally graded Ag/Fe3O4‐loaded PAN nanofiber interlayers for improved mechanical performance and EMI attenuation in GFRP laminates. ABSTRACT Functionally graded Ag/Fe3O4‐loaded polyacrylonitrile (PAN) nanofiber interlayers were placed between selected glass fabric plies to improve interlaminar damage resistance in glass fiber‐reinforced polymer ...
Hasan Ulus   +5 more
wiley   +1 more source

Concrete with a High Content of End-of-Life Tire Materials for Flexural Strengthening of Reinforced Concrete Structures. [PDF]

open access: yesMaterials (Basel), 2022
Polydorou T   +7 more
europepmc   +1 more source

Strengthening Under Load: Numerical Study of Flexural Buckling of Columns

open access: yesProcedia Engineering, 2017
Abstract The paper refers to the strengthening of doubly symmetric columns under load by welded plates. A validated numerical study containing more than 500 models was performed to question the currently used design procedures. These procedures are not unified but vary greatly in different countries.
Vild, Martin, Bajer, Miroslav
openaire   +2 more sources

Basalt Fiber Surface Modification for Improved Interaction With Polyamide‐6 for High‐Performance Automotive Applications

open access: yesPolymer Composites, EarlyView.
Amino‐silane treatment improves the basalt fiber–PA6 interface, enhancing composite performance. ABSTRACT Basalt fiber‐reinforced polymer (BFRP) composites have emerged as sustainable alternatives to glass fiber (GF) composites, but their performance is often controlled by the quality of the fiber–matrix adhesion.
Mohammad Mezbah Ul Hoque   +3 more
wiley   +1 more source

Experimental and Numerical Investigations of Punching Shear Strengthening of Slab-Circular Column Connection Incorporating UHPC and Galvanized Threaded Steel Bolts

open access: yesInternational Journal of Concrete Structures and Materials
Punching shear failure poses a critical risk in flat slab–column structures, potentially leading to catastrophic collapses. Retrofitting methods typically involve flexural or shear strengthening.
Ahmed Hamoda   +4 more
doaj   +1 more source

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