Investigation into the effect of introducing functionalized hafnium carbide with GO in the epoxy coated aluminium alloy for aerospace components

Xavier, Joseph Raj; Vinodhini, S. P.

doi:10.1016/j.colsurfa.2022.130667

Cited by 29 publications

(7 citation statements)

References 48 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Amine group in BAO plays synergistic effects with PU and improve the bonding strength to the Al alloy interface. Table 3 presents the coating and charge transfer resistances of the previously reported nanocomposites 36–52 …”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Multilayered nanocomposite coatings for enhanced anticorrosive, flame retardant, and mechanical properties in automobile and aerospace industries

Xavier

2023

J of Applied Polymer Sci

Self Cite

View full text Add to dashboard Cite

The anticorrosion, flame retardant, and mechanical properties of polyurethane (PU) coatings have been improved by the integration of nickel disulfide (NiS2), 2,5‐Bis(4‐aminophenyl)‐1,3,4‐oxadiazole (BAO), and graphene oxide (GO). The structural, morphological, dielectric, and hydrophobic behaviors of the films were characterized for the different formulations of coatings such as pure PU, PU‐NiS2, PU‐BAO/NiS2, PU‐GO/NiS2, and PU‐GO/BAO‐NiS2 (nanocomposite) by means of scanning electron microscope/X‐ray energy dispersive spectroscopy, transmission electron microscope, thermogravimetric analysis, X‐ray photoelectron spectroscopy, X‐ray diffraction, and contact angle measurement. As a result, with the addition of only 0.3% GO/BAO‐NiS2, the dielectric constant of PU was increased by 81‐fold at 1 Hz. Additionally, the nanocomposite had significantly lower peak heat release rate and overall heat released values than pure PU, a difference of 57% and 51%, respectively, demonstrating its greater flame retardancy. The electrochemical techniques and mechanical testing confirmed that GO/BAO‐NiS2 (0.3%) composite exhibit enhanced anticorrosive, hydrophobic, flame retardancy, and mechanical performance of the PU coating. The super hydrophobic behavior is confirmed by its water contact angle of 165°. Furthermore, the resistance of the nanocomposite was found to be much higher (16,985.6 kΩ.cm2) than that of the pure PU (145.4 kΩ.cm2) and the microhardness and tensile strength were increased sharply. Therefore, the nanocomposite could act as a potential coating material for industrial applications.

show abstract

Section: Resultsmentioning

confidence: 99%

“…Table 3 presents the coating and charge transfer resistances of previously reported nanocomposites. [36][37][38][39][40][41][42][43][44][45][46][47][48][49][50][51][52]…”

Section: Eis Investigationsmentioning

confidence: 99%

Multilayered nanocomposite coatings for enhanced anticorrosive, flame retardant, and mechanical properties in automobile and aerospace industries

Xavier

2023

J of Applied Polymer Sci

Self Cite

View full text Add to dashboard Cite

show abstract

“…60 The deconvoluted peaks for Hf 4f 5/2 and 4f 7/2 at binding energies of 18.2 and 16.2 eV, respectively, are shown in Figure 5f. 61 The results from the aforementioned experiments show that TMSPETA-HfO 2 nanoparticles were successfully created on GCN sheets to create All of the results show that GCN/TMSPETA-HfO 2 nanocomposites were successfully made using TMSPETA-HfO 2 nanoparticles to be formed on GCN sheets. 3.6.…”

Section: Scanning Electron Microscopy (Sem) With Energy Dispersive X-...mentioning

confidence: 92%

Flame Retardant and Anticorrosion Behavior of Multifunctional Epoxy Nanocomposite Coatings Containing Graphitic Carbon Nitride/Silanized HfO₂ Nanofillers for the Protection of Steel Surface in Automobile Industry

Xavier,

S P,

et al. 2023

ACS Chem. Health Saf.

Self Cite

View full text Add to dashboard Cite

With the help of (3-trimethoxysilylpropyl) diethylenetriamine (TMSPETA), hafnium(IV) oxide (HfO2), an inorganic nanofiller, was modified. The resulting TMSPETA/HfO2 was then encased in graphitic carbon nitride (GCN) and placed within a pure epoxy resin (EP). The protective behavior of mild steel coated with epoxy in the presence of various concentrations of GCN/TMSPETA-HfO2 was studied using electrochemical methods in seawater environment. It was found that the addition of 0.6 wt % of GCN/TMSPETA-HfO2 to the epoxy resin produced maximum resistance. Hence, the optimum concentration of 0.6 wt % was utilized for further investigation. The PHRR and THR values for the GCN/TMSPETA-HfO2 significantly decreased by 73% and 57%, respectively, as compared to pure EP, showing that the material is more flame retardant. The results of salt spray tests showed that the inclusion of GCN/TMSPETA-HfO2 in the epoxy matrix enhanced the corrosion protection performance and reduced water absorption. EIS measurements showed that the epoxy-GCN/TMSPETA-HfO2 had increased coating resistance of 6.42E9 Ω·cm2 even after 320 h of exposure to seawater. According to SECM investigations, the coated steel with EP-GCN/TMSPETA-HfO2 nanocomposite has the lowest ferrous ion dissipation (1.0 I/nA). FE-SEM/EDX investigation revealed that silanized GCN was enhanced in the degradation products, resulting in a durable inert nanolayered covering. The newly created EP-GCN/TMSPETA-HfO2 coating was incredibly water-resistant, with a WCA of 165°. The TMSPETA-HfO2 wrapped in GCN has demonstrated strong adhesion and hardness in the epoxy substrate as well as good mechanical properties. An increased adhesive strength (19.1 MPa) was achieved for mild steel coated with EP-GCN/TMSPETA-HfO2 prior to being immersed in seawater. As a result, the coating has greater adhesive strength and can hold up even after a prolonged immersion. In light of this, the EP-GCN/TMSPETA-HfO2 nanocomposite may be used as a coating component in the automotive industry.

show abstract

“…Conducting polymers are among the polymers that are frequently used to prevent energy loss. [11][12][13][14] Conducting polymers have the extra benefit of enhancing solar energy protection when compared to insulating polymers. A variety of conducting polymers demonstrated a distinctive thermomechanical property that makes them perfect for commercial applications.…”

Section: Introductionmentioning

confidence: 99%

“…To slow down the degradation of the material and extend the life of the aluminum alloy, polymers are frequently added. Conducting polymers are among the polymers that are frequently used to prevent energy loss 11–14 . Conducting polymers have the extra benefit of enhancing solar energy protection when compared to insulating polymers.…”

Section: Introductionmentioning

confidence: 99%

Carbon nanotube‐based polymer nanocomposites: Evaluation of barrier, hydrophobic, and mechanical properties for aerospace applications

Xavier,

Sadagopan Pandian

2023

Polymer Engineering & Sci

Self Cite

View full text Add to dashboard Cite

The anticorrosive and mechanical properties of carbon nanotubes (CNTs) in epoxy resin (EP) coatings have been improved by the integration of molybdenum disulfide (MoS2) and 3‐aminopropyltrimethoxysilane (APTMS) for surface modification based on CNTs. SEM/EDX, TEM, TGA/XRD, XPS, and XRD techniques were used to characterize the composites for the various formulations, including APTMS/CNTs, CNTs/MoS2, and APTMS/CNTs‐MoS2. By including APTMS/CNTs‐MoS2 composite, the EP coating exhibits improved anticorrosive and mechanical performance, as demonstrated by electrochemical methods and mechanical testing. Superior hydrophobic property of EP‐APTMS/CNTs‐MoS2 is confirmed by its WCA of 167°. Additionally, it was discovered that the EP‐APTMS/CNTs‐MoS2 had a resistance that was significantly larger (17,421 kΩ.cm2) than the plain epoxy (102 kΩ.cm2), and its hardness (1695 MPa), adhesion (19.7 MPa), and tensile (237 MPa) properties all are improved significantly. Therefore, the newly developed EP‐APTMS/CNTs‐MoS2 could act as the vital material for coating AA7475 aluminum alloy used in aerospace applications.

show abstract

Investigation into the effect of introducing functionalized hafnium carbide with GO in the epoxy coated aluminium alloy for aerospace components

Cited by 29 publications

References 48 publications

Multilayered nanocomposite coatings for enhanced anticorrosive, flame retardant, and mechanical properties in automobile and aerospace industries

Multilayered nanocomposite coatings for enhanced anticorrosive, flame retardant, and mechanical properties in automobile and aerospace industries

Flame Retardant and Anticorrosion Behavior of Multifunctional Epoxy Nanocomposite Coatings Containing Graphitic Carbon Nitride/Silanized HfO₂ Nanofillers for the Protection of Steel Surface in Automobile Industry

Carbon nanotube‐based polymer nanocomposites: Evaluation of barrier, hydrophobic, and mechanical properties for aerospace applications

Contact Info

Product

Resources

About

Investigation into the effect of introducing functionalized hafnium carbide with GO in the epoxy coated aluminium alloy for aerospace components

Cited by 29 publications

References 48 publications

Multilayered nanocomposite coatings for enhanced anticorrosive, flame retardant, and mechanical properties in automobile and aerospace industries

Multilayered nanocomposite coatings for enhanced anticorrosive, flame retardant, and mechanical properties in automobile and aerospace industries

Flame Retardant and Anticorrosion Behavior of Multifunctional Epoxy Nanocomposite Coatings Containing Graphitic Carbon Nitride/Silanized HfO2 Nanofillers for the Protection of Steel Surface in Automobile Industry

Carbon nanotube‐based polymer nanocomposites: Evaluation of barrier, hydrophobic, and mechanical properties for aerospace applications

Contact Info

Product

Resources

About

Flame Retardant and Anticorrosion Behavior of Multifunctional Epoxy Nanocomposite Coatings Containing Graphitic Carbon Nitride/Silanized HfO₂ Nanofillers for the Protection of Steel Surface in Automobile Industry