Nanomaterials, Textiles, and Advanced Composites Research Group


Research Focus

“Nanomaterials, Textiles, and Advanced Composites Research Group” is an association of research groups within the Department of Aeronautical Engineering and the Department of Textile Engineering at Istanbul Technical University, which is led by Assoc. Prof. Hülya Cebeci and Assoc. Prof. Elif Özden Yenigün. The major themes at the moment are those of Assoc. Prof. Hülya Cebeci and Assoc. Prof. Elif Özden Yenigün, which embrace polymeric systems, carbon nanomaterials including carbon nanotubes, graphene, as well as boron nitride nanotubes, nanofibers, their assembly into composite materials and the resultant properties. The research focus is on carbon and boron based functional nanomaterials starting from the synthesis to final applications including nano-engineered structural materials, sensors and energy storage while embracing computational approaches, is essentially experimentally led. Other areas that interest us stem from goal of developing functional nanomaterials and using them in composite applications including, fuel cell applications, sensing and 3D printing and filtration. The aim of this multidisciplinary group’s research is to transfer the outstanding properties of nanomaterials, as can be in the form of tubes, films, mats and yarns, mechanical, thermal and electrical, into functional materials. Recent research projects have been focused on:

• Nano-engineered prepregs and composites
• Carbon nanomaterial based buckypapers and yarns for sensors and actuators
• Nano-engineered 3D textile preforms
• Boron based functional nanomaterials
• 3D printing of conductive structural components
• Nanofiber proton exchange membranes for fuel cells
• Multiscale modeling of nanocomposites and laminated composites
• Aircraft cabin air filtration technologies
• Functional nanofiber membranes for filtration
• CNTs based gas sensors/biomedical device configuration and testing
• Smart textiles

NANOMATERIALS, TEXTILES, AND ADVANCED COMPOSITES RESEARCH GROUP

Laboratories

NANOMATERIALS, TEXTILES, AND ADVANCED COMPOSITES RESEARCH GROUP

ONGOING PROJECTS




Advanced Filtration Technology for VOC Removal

This project funded by Boeing Global Technology and aims to develop advanced filtration systems for removing volatile organic compounds in aircraft cabins. In this scope, we follow through design, production, optimization and analysis of nano-based filter structures against gas phase pollutants existed in aircraft cabins. Numerous filters have been produced and tested while many filtration systems have been developed. Recently, a prototype is being built in ITUARC to be tested in US in collaboration with Boeing ECS.

Investigation of Polymer Nanocomposite Foams for Sandwich Structures

The project was funded by Turkish Missiles Ind. and aims to develop multifunctional foams to be used as core sheets in sandwich structures.



Production and Development of Randomly or Vertically Aligned Carbon Nanotube Reinforced Nanoprepregs

This project funded by TUBITAK 3501 Career program has focused on reinforcing thermoplastic resins which have the advantages such as easy recyclability and shorter curing times. By implementing nanomaterials into thermoplastic resins, a novel and scalable approach to reinforce thermoplastic composites is being developed.


Nanoengineered 3D textile preforms

3D Textile preforms have been engineered by nanomaterials to enhance interfacial properties and to improve resultant properties. There are several ongoing studies on nanoengineered 3D textile preforms as:
•Torsional Properties of Electrospun Nanofiber Interlayered Hollow Glass Composites
This project is collaborative work with RUZGEM, Middle East Technical University under supervision of Prof. Demirkan Coker. In this project, the effect of carbon nanotubes (CNTs) reinforced electrospun nanofiber interlayers deposited on the interface of hollow glass composites have been investigated.
•Manufacturing and Mechanical Tests of Hollow 3D Woven Glass Fabrics
This project is collaborative work with Indian Institute of Technology, New Delhi under supervision of Prof. Behera. Nanoengineered hollow 3D woven glass fabric composites with uneven faces is being developed and these preforms have improved properties against delamination compared to laminated composites. In addition, carbon nanomaterials are grown on woven fabric that can lead to enhanced electrical conductivity, as well as strong and multi-functional 3D textile performs.

Ultra High Performance Conductive Thermoplastic Cellular Nanocomposites by 3D Printing

This project funded by Boeing Global Technology and aims is to fabricate carbon nanomaterial reinforced high performance cellular nanocomposites by additive manufacturing for advanced aerospace applications.

Nanofiber proton exchange membranes for fuel cells

The project funded by TUBITAK, under R&D Projects funding program, is under supervision of Assoc. Prof. Dr. Elif Özden Yenigün with the participation of Ph.D. Scholar Sassan Jahangiri. The aim of this project is to produce bicomponent nanofibers to be used as polymer electrolyte in high temperature proton exchange membrane fuel cells (HT-PEMFCs). These membranes are being used in fuel cells, which offer the possibility of zero-emissions electricity generation. The operating temperature sometimes reaches up to 200°C due to exothermic reaction which require additional humidification and cooling system. On the other hand, commercially available membranes like Nafion® have water assisted proton conductivity mechanism. We are seeking for textile based proton exhange membranes which does not require water ions to conduct protons, particularly while operating at high temperatures.




Carbon nanomaterial based buckypapers and yarns for sensors and actuators

The research focus is on carbon nanomaterial based assemblies start from the synthesis to final applications including strain sensors and actuators. Different forms including CNTs, graphene and hybrid buckypapers, graphene and CNTs yarns have been fabricated and characterized. The aim is to transfer the superior mechanical and electrical properties of carbon-based nanomaterials to macro scale applications.



Tailoring the Interphase of Ceramic Fibers for Ceramic Matrix Composites (CMCs)

This project is funded by SAFRAN Co. and aims to tailor and design the interphase of ceramic fibers by ceramic nanomaterials.
NANOMATERIALS, TEXTILES, AND ADVANCED COMPOSITES RESEARCH GROUP

FOUNDERS

 

Assoc. Prof. Hülya Cebeci


 

Assoc. Prof. Elif Özden Yenigün


 
RESEARCH MEMBERS

Postdoctoral Researcher

 
 

İpek Ösken


 
 
RESEARCH MEMBERS

Ph.D. STUDENTS

Alptekin Yıldız


Arda Küçüksarı


Ayşemin Top


Burcu Arman Kuzubaşoğlu


Deniz Kavrar Ürk


Fırat Turgut


İdris Gürkan


Onur Ağma


 

Sassan Jahangiri


Selin Gümrükçü


 
RESEARCH MEMBERS

M.Sc. STUDENTS