Out-of-plane static loading performance of lightweight aluminum/composite FML structures for retrofitting applications: Effectiveness of bonded, bolted and hybrid …

H Ulus, HB Kaybal - Construction and Building Materials, 2023 - Elsevier
This study evaluates the mechanical response for different flexural loading direction
scenarios of the fiber metal laminates (FMLs), an aluminum structure retrofitted with basalt …

Experimental investigation on Compression-After-Impact (CAI) response of aerospace grade thermoset composites under low-temperature conditions assisted with …

M Seyyednourani, S Akgun, H Ulus, M Yildiz… - Composite …, 2023 - Elsevier
Low-velocity impact (LVI) can provoke catastrophic failure depending on the impact energy,
lay-up configuration, and the operating temperature in fiber-reinforced composite structures …

[HTML][HTML] Damage tolerance of basalt fiber reinforced multiscale composites: Effect of nanoparticle morphology and hygrothermal aging

EF Sukur, S Elimsa, V Eskizeybek, A Avci - Composites Part B: Engineering, 2024 - Elsevier
Barely visible impact damages of fiber-reinforced polymers (FRPs) have been the subject of
much systematic investigation, specifically with the combination of the service conditions …

Thermally conditioned aerospace‐grade carbon fiber reinforced polyether ketone ketone composites: structure, impact response, and thermomechanical performance

EF Sukur - Polymer Composites, 2023 - Wiley Online Library
Carbon fiber‐reinforced high‐performance thermoplastic composites have recently become
an efficient alternative for aerospace engineering applications. However, the temperature …

[HTML][HTML] Characterizing damage evolution of CF/PEKK composites under tensile loading through multi-instrument structural health monitoring techniques

C Yildirim, IE Tabrizi, A Al-Nadhari, S Topal… - Composites Part A …, 2023 - Elsevier
This study investigates the damage behavior of autoclave consolidated carbon fiber/
Polyetherketoneketone (CF/PEKK) laminates manufactured by the automated fiber …

[HTML][HTML] Tailoring adherend surfaces for enhanced bonding in CF/PEKK composites: Comparative analysis of atmospheric plasma activation and conventional …

C Yildirim, H Ulus, B Beylergil, A Al-Nadhari… - Composites Part A …, 2024 - Elsevier
Here, we propose the utilization of atmospheric plasma activation (APA), which outperforms
peel-ply (PP) treatment and mechanical abrasion (MA) in achieving high-performance …

[HTML][HTML] Enhancing interlaminar bonding quality estimation in laser-assisted fiber placement of CF/PEKK composites: A correction factor approach for improved …

A Barzegar, S Karimi, HS Sas, M Yildiz - Composites Part A: Applied …, 2024 - Elsevier
This study introduces an innovative Modified Mantell and Springer (MMS) model to more
accurately assess degree of intimate contact with improved accuracy for laser-assisted fiber …

Enhancement of saltwater ageing behavior of nanocomposites and lap joints with boron nanoparticles

Y Korkmaz, E Cetin, K Gültekin - International Journal of Adhesion and …, 2023 - Elsevier
The presented research aims to enhance the ageing performance of nanocomposites and
bonded joints in the saltwater medium with boron nanoparticle doping. Epoxy …

Annealing impact on mechanical performance and failure analysis assisted with acoustic inspection of carbon fiber reinforced poly‐ether‐ketone‐ketone composites …

S Elmas, B Atac, CO Senol, S Topal… - Polymer …, 2024 - Wiley Online Library
This study investigates the effect of the annealing treatment for carbon fiber reinforced
Polyether‐ketone‐ketone (CF/PEKK) composite structures under flexural and compressive …

An experimental implication of long‐term hot‐wet‐aged carbon fiber/polyether ketone ketone composites: the impact of automated fiber placement process …

EF Sukur, S Elmas, V Eskizeybek… - Journal of Applied …, 2023 - Wiley Online Library
During the service life of aerospace‐grade composites, process parameters and process‐
induced defects may become crucial. Most studies in this field have mainly focused on the …