Metal organic frameworks modification of carbon fiber composite interface

Ayyagari, Suma; Al-Haik, Marwan; Ren, Yixin; Abbott, Andrew; Trigg, Edward B.; Zheng, Bing; Koerner, Hilmar

doi:10.1016/j.compositesb.2021.109197

Cited by 31 publications

(11 citation statements)

References 53 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The wettability of the resin on the CF surface has an important influence on the interface performance and overall performance of the resin matrix composite. [ 35 ] At present, the wettability of the fibers surface is predominantly characterized by measuring the fibers surface contact angle and free energy. A high surface free energy of CF results in improved wettability of resin on the CF surface.…”

Section: Resultsmentioning

confidence: 99%

Improvement of the interfacial properties of CF/PEEK composites by introducing aminated polyphenylene sulphide (PPS‐NH₂) as a sizing agent

Ren

Zhu

Zhang³

2022

Polymer Composites

View full text Add to dashboard Cite

The resin matrix and CF fibers itself of CF/PEEK composites exhibit surface inertness, resulting in poor interface bonding between CF and PEEK matrix. This phenomenon seriously affects the mechanical properties of CF/PEEK composites especially the interlaminar shear strength (ILSS). In order to improve the interfacial properties of CF/PEEK composites, a novel sizing agent of CF fibers namely PPS‐NH2 was synthesized, and its influence on the fibers–matrix interface interaction and properties of CF/PEEK composites was investigated by using scanning electron microscopy, Fourier transform infrared spectroscopy, thermogravimetric analysis, atomic force microscopy. The results showed that the interface of CF/PEEK composite was improved by coating PPS‐NH2 sizing agent on the surface of CF. When the amination degree of PPS‐NH2 reaches 31.25%, the ILSS, flexural strength and modulus of CF/PEEK Composites reach 73.9 MPa (119%), 671.4 MPa (63%) and 32.8GPa (51%) and, respectively. At the same time, the main failure mechanism of CF/PEEK composites changes from fibers–matrix debonding into interface layer deformation and resin fracture. This method can effectively improve the interface defects between CF/PEEK composites.

show abstract

Section: Resultsmentioning

confidence: 99%

Improvement of the interfacial properties of CF/PEEK composites by introducing aminated polyphenylene sulphide (PPS‐NH₂) as a sizing agent

Ren

Zhu

Zhang³

2022

Polymer Composites

View full text Add to dashboard Cite

show abstract

“…The increase in the CF surface roughness is conducive to the cooperation between thermoplastic resin and CF, which leads to enhanced interfacial properties of CF/PEEK composites. [37,38] Table 3. Surface energies of PEEK-COOH@CFs.…”

Section: Characterization Of Cf Surface Modificationmentioning

confidence: 99%

Preparation of CF/PEEK Composites with High Mechanical Performance Using PEEK Derivatives as the Sizing Agent

Ren

Zhu

Zhang³

et al. 2022

Macromol. Rapid Commun.

View full text Add to dashboard Cite

Owing to their excellent physical and chemical properties, the carbon fibre reinforced poly(ether‐ether‐ketone) composites (CF/PEEK) are widely used in aerospace applications such as rockets, missiles, and high‐speed vehicles. However, both carbon fibre (CF) and poly(ether‐ether‐ketone) (PEEK) have inert molecular chain structures, which seriously affect the interfacial properties of CF/PEEK composites. In this study, to improve the properties of CF/PEEK composites, carboxylated PEEK (PEEK‐COOH) with different carboxylation degrees is synthesized as the sizing agent by a “two‐step” method. Then, the activated CF surface is coated by PEEK‐COOH sizing layers with different functionalization degrees to prepare the CF/PEEK composites. The results show that the interfacial properties of CF/PEEK composites are improved after applying the sizing agent. When the carboxylation degree of PEEK‐COOH is 19.61%, the flexural strength, flexural modulus, and interlaminar shear strength (ILSS) of CF/PEEK composites reach 489.34 MPa, 25.387 GPa, and 81.3 MPa, respectively. In addition, the use of PEEK‐COOH sizing agents can form an excellent transition layer between CF and PEEK, creating an efficient stress transfer system and facilitating an even stress distribution between CF and PEEK. Furthermore, the main mechanism of material fracture changes from CF debonding to CF and resin fracture.

show abstract

“…[3,4] However, there is a weak interface in CF/EP composites due to the pristine carbon fiber surface is chemical inertia and smooth, which results in the premature failure of CF/EP and restricts the application. [5][6][7][8] Therefore, how to gain a good interphase in CF/EP composites is fundamentally important and interesting.…”

Section: Introductionmentioning

confidence: 99%

Carbon fiber‐reinforced epoxy composite properties improvement by incorporation of polydopamine sizing at fiber–matrix interface

et al. 2023

View full text Add to dashboard Cite

To gain better interfacial and mechanical performances of carbon ber reinforced epoxy resin (CF/EP) composites, the surface modi cation of CF was carried out via a simple mild method. The polydopamine (PDA) was applied to size the CF, as well as the in uence of PDA sizing time on CF were elucidated. As the PDA deposited time increases, a growing number of PDA nanoparticles were adhered on CF surface, associating with appearance of PDA agglomerates. Through analyzing the results, the optimum PDA sized time was 24 h. The introduction of PDA increase the chemical reaction and mechanical interlocking between ber and matrix. Compared with unsized CF, the tensile strength of PDA 24 h sized CF was improved by 27.0%, the interlaminar shear strength, exural and impact strength of PDA 24 h sized CF/EP composites increased by 103.7%, 65.6% and 163.6%, respectively. Furthermore, the fracture topographies of CF/EP composite strikingly implied that the PDA has a positive impact on the mechanical performances of CF/EP composites.

show abstract

Metal organic frameworks modification of carbon fiber composite interface

Cited by 31 publications

References 53 publications

Improvement of the interfacial properties of CF/PEEK composites by introducing aminated polyphenylene sulphide (PPS‐NH₂) as a sizing agent

Improvement of the interfacial properties of CF/PEEK composites by introducing aminated polyphenylene sulphide (PPS‐NH₂) as a sizing agent

Preparation of CF/PEEK Composites with High Mechanical Performance Using PEEK Derivatives as the Sizing Agent

Carbon fiber‐reinforced epoxy composite properties improvement by incorporation of polydopamine sizing at fiber–matrix interface

Contact Info

Product

Resources

About

Metal organic frameworks modification of carbon fiber composite interface

Cited by 31 publications

References 53 publications

Improvement of the interfacial properties of CF/PEEK composites by introducing aminated polyphenylene sulphide (PPS‐NH2) as a sizing agent

Improvement of the interfacial properties of CF/PEEK composites by introducing aminated polyphenylene sulphide (PPS‐NH2) as a sizing agent

Preparation of CF/PEEK Composites with High Mechanical Performance Using PEEK Derivatives as the Sizing Agent

Carbon fiber‐reinforced epoxy composite properties improvement by incorporation of polydopamine sizing at fiber–matrix interface

Contact Info

Product

Resources

About

Improvement of the interfacial properties of CF/PEEK composites by introducing aminated polyphenylene sulphide (PPS‐NH₂) as a sizing agent

Improvement of the interfacial properties of CF/PEEK composites by introducing aminated polyphenylene sulphide (PPS‐NH₂) as a sizing agent