High Modulus Epoxy/GO-PANI Self-Healing Materials Without Catalyst by Molecular Engineering and Nanocomposite Fabrication DOI Open Access
Geonwoo Kim, Cigdem Caglayan, Gun Jin Yun

и другие.

Polymers, Год журнала: 2024, Номер 16(22), С. 3173 - 3173

Опубликована: Ноя. 14, 2024

Nowadays, self-healing materials have been studied actively in electronics, soft robotics, aerospace, and automobiles because they can prolong the life span of materials. However, overcoming trade-off relationship between mechanical properties performance is challenging. Herein, graphene oxide-polyaniline (GO-PANI) filler was introduced to overcome this challenge GO has a highly excellent modulus, nitrogen atoms PANI endow ability through hydrogen bonds. Aside from bond PANI, carbonyl group disulfide exchange epoxy matrix also helped heal efficiently. Therefore, modulus SV-GPN1 (Self-healing Vitrimer-GO-PANI1) reached 770 MPa, 65.0% healing efficiency demonstrated. The were enhanced after adding GO-PANI filler. ability, however, deteriorated when more it hindered collision molecules. Meanwhile, reproducibility, which proven by experiment that 16.50 mm thick displayed ability. Thus, be applied structural industries like aerospace its reproducibility.

Язык: Английский

Non-covalent functionalization at Titanium carbide nano-particles for strengthening the interface with polyaryletherketone matrix for developing high-strength adhesives DOI Creative Commons
Ashish Chalana, Umesh Marathe, Jayashree Bijwe

и другие.

Journal of Materials Research and Technology, Год журнала: 2024, Номер 31, С. 570 - 578

Опубликована: Июнь 13, 2024

In this study, a highly effective cationic polymer, Poly (diallyldimethylammonium chloride) (PDDA), was used to bond Titanium Carbide (TiC) nano-particles (NPs) non-covalently with matrix polyaryletherketone (PAEK). Functionalization of PDDA TiC NPs confirmed using Fourier-transform infrared spectroscopy (FT-IR), Zeta potential, and Field Emission Scanning Electron Microscopy (FE-SEM). Both (3 wt%) (untreated PDDA-treated) were added PAEK, as filler for reinforcement elevating friction. The addition treated) in the PAEK led an improvement selected performance properties such thermal stability (by 11 13 °C), surface free energy (17 29%), lap shear strength (LSS) (116 161%) respectively. Plastic deformation, cup formaion micro-striation formation major failure mechanisms. treatment resulted better more uniform deagglomeration matrix, strengthened particle-matrix interface, higher energy, hence adhesion adherend. improved strengthening both interfaces (NPs nanocomposite metallic adherend) enhanced by treated NPs.

Язык: Английский

Процитировано

1

Applications of nanotechnology and nanoproduction techniques DOI Creative Commons
Malek Ali

Open Engineering, Год журнала: 2024, Номер 14(1)

Опубликована: Янв. 1, 2024

Abstract A wide variety of materials having at least one dimension between 1 and 100 nm make up the remarkable class known as nanomaterials (NMs). By rationally designing nanoparticles, very large surface areas may be attained. It is possible to create NMs with exceptional mechanical, optical, electrical, magnetic properties that differ significantly from their traditional materials. brief history how they have been used spur advancements in nanotechnology development covered this overview. Throughout review, special are emphasized. There a discussion several techniques for synthesizing NMs, including top-down bottom-up strategies. The characteristics, uses, methods manufacture nanoparticles succinctly simply summarized study.

Язык: Английский

Процитировано

1

Future Perspective of Self-Healing Nano-Coatings for Corrosion Protection DOI
Abdul Wahab Hashmi, Jashanpreet Singh, Shadab Ahmad

и другие.

Advances in chemical and materials engineering book series, Год журнала: 2024, Номер unknown, С. 597 - 624

Опубликована: Июнь 30, 2024

Self-healing coating (SHC) can repair the physical damage or return functionality with little to no interference. An in-depth and up-to-date discussion of advantages disadvantages self-healing processes in organic coatings that prevent corrosion is provided this literature review. mechanisms are frequently facilitated by incorporating inhibitors healing agents into matrices. Heat light from environment activate non-autonomous promote starting necessary chemical reactions changes lead movement molecules chains create bonds. Previous studies on have focused minor mechanisms, like a localized abrasion puncture, only addressed coatings' barrier prevention qualities. Future-generation SHC expected be more intelligent able complex damages addition surface/interfacial, mechanical, functional

Язык: Английский

Процитировано

1

Recent advancements in self-healing materials and their application in coating industry DOI
Babloo Roy Gautam, Nazrul Islam Khan, Nitya Nand Gosvami

и другие.

Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications, Год журнала: 2024, Номер unknown

Опубликована: Сен. 8, 2024

Self-healing polymers (SHP), inspired by nature, are materials that have the ability to recover themselves from various physical damages in presence of different inducing environments. The self-recovering property indicates capability heal cracks their very nascent stage at micro or nano-level size and provides a door prevent them any major catastrophic failure. In this article, comprehensive review with updated reported work on types self-healing mechanisms advantages limitations has been discussed, along applications. main focus aligned challenges future scopes associated exploration concepts for industrial coating extrinsic, intrinsic, combined healing explained, application coating. Finally, recent status technology research trends discussed article.

Язык: Английский

Процитировано

1

High Modulus Epoxy/GO-PANI Self-Healing Materials Without Catalyst by Molecular Engineering and Nanocomposite Fabrication DOI Open Access
Geonwoo Kim, Cigdem Caglayan, Gun Jin Yun

и другие.

Polymers, Год журнала: 2024, Номер 16(22), С. 3173 - 3173

Опубликована: Ноя. 14, 2024

Nowadays, self-healing materials have been studied actively in electronics, soft robotics, aerospace, and automobiles because they can prolong the life span of materials. However, overcoming trade-off relationship between mechanical properties performance is challenging. Herein, graphene oxide-polyaniline (GO-PANI) filler was introduced to overcome this challenge GO has a highly excellent modulus, nitrogen atoms PANI endow ability through hydrogen bonds. Aside from bond PANI, carbonyl group disulfide exchange epoxy matrix also helped heal efficiently. Therefore, modulus SV-GPN1 (Self-healing Vitrimer-GO-PANI1) reached 770 MPa, 65.0% healing efficiency demonstrated. The were enhanced after adding GO-PANI filler. ability, however, deteriorated when more it hindered collision molecules. Meanwhile, reproducibility, which proven by experiment that 16.50 mm thick displayed ability. Thus, be applied structural industries like aerospace its reproducibility.

Язык: Английский

Процитировано

1