Thermal and microwave dielectric properties of Cu/polyethylene oxide composite powder prepared by mechanical blending method

Azizurrahaman,; Jha, Abhishek; Akhtar, M. Jaleel

doi:10.1016/j.apt.2015.06.011

Cited by 16 publications

(9 citation statements)

References 31 publications

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“…The improvement in the thermal stability of composites by increasing the cobalt ller content can be attributed to partially altering the molecular mobility of the polymer chains due to their adsorption on the surface of the ller particles. 39 From Fig. 5, a sudden increase in the decomposition peak temperature (T o mean with std.…”

Section: Thermo Gravimetry Analysismentioning

confidence: 94%

“…This can also occur due to the adsorption of polymer chains onto the surface of ller particles, which restricts the segmental mobility and serves to suppress the redistribution and chain transfer reactions. 39,40 The third part (stage-III) in the TGA/DTA curve shows the residue of the samples at the end of the experiment, which is shown in Fig. 4 (inset).…”

Section: Thermo Gravimetry Analysismentioning

confidence: 99%

See 1 more Smart Citation

Investigation on electromagnetic characteristics, microwave absorption, thermal and mechanical properties of ferromagnetic cobalt–polystyrene composites in the X-band (8.4–12.4 GHz)

Ansari

Akhtar

2016

RSC Adv.

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Section: Thermo Gravimetry Analysismentioning

confidence: 94%

Section: Thermo Gravimetry Analysismentioning

confidence: 99%

Investigation on electromagnetic characteristics, microwave absorption, thermal and mechanical properties of ferromagnetic cobalt–polystyrene composites in the X-band (8.4–12.4 GHz)

Ansari

Akhtar

2016

RSC Adv.

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“…Zhou et al [11] investigated EPEI/HSi-TiO2-hybridized resins and found that this kind of materials could provide outstanding corona resistance, high breakdown strength and remarkably decreased partial discharge. Azizurrahaman et al [12] prepared Cu/polyethylene oxide composite (Cu/PEO) by mechanical blending method. The SEM microphotographs of the Cu/PEO composites with different filler ratio are show in Fig.2.…”

Section: Blending Methodsmentioning

confidence: 99%

Preparation and Prospect of Polymer Nanocomposites Used in High Voltage Equipment

Xinna¹,

Chengli²

2017

Proceedings of the 3rd Annual International Conference on Advanced Material Engineering (AME 2017)

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Abstract. Recently, in the field of high voltage equipment, polymer nanocomposites have received increasing attentions, due to their excellent electrical properties, such as high breakdown strength and high resistance to partial discharges, and their good mechanical and thermal properties, such as high mechanical strength and high heat durability and so on. In this article, the main preparation methods of polymer nanocomposites, including of blending method, intercalation compound method, in-situ polymerization method and sol-gel method, are reviewed, and the merits and faults of different methods are discussed.

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“…The enhancement in dielectric constant and loss factor are explained on the basis of interfacial polarization generated in between epoxy matrix and SiC nanofillers. With the increase of SiC content, the number of accumulated charges will be increased and hence an additional contribution to the dielectric properties occur [13].…”

Section: Effect Of Sic Content On Dielectric Properties At 245 Ghzmentioning

confidence: 99%

Effect of silicon carbide nanoparticles on dielectric (2.45 GHz) and thermal properties of epoxy nanocomposites for microwave curing

Pal

2021

Advanced Materials Proceedings

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Efforts to use microwaves in material processing are gradually increasing. However, the phenomenon associated with the processing is less understood. The conversion of electromagnetic energy into heat depends largely on the dielectric properties of the material being treated. Therefore, the fundamental knowledge of these properties is essential for processing of materials using microwaves. In this study, first the dielectric evolution of silicon carbide (SiC) infused epoxy nanocomposites prepared at room temperature with 0-0.3 wt% content of SiC was measured. Secondly, the dielectric properties of the prepared nanocomposites after heating for 10 min in microwaves at a power of 500 W were investigated in order to see the effect of microwave curing. The dielectric properties of all the samples were measured at the microwave frequency of 2.45 GHz using the advanced cavity perturbation method attached to a vector Network Analyzer (VNA). The results indicate that the dielectric properties of the resultant nanocomposites increase with the increase in SiC content as compared to the neat epoxy sample. However, the dielectric properties were found to be decrease after microwave curing signaling the maximum possible extent of curing. This indicates that reinforcement of SiC nanoparticles in epoxy makes them ideal candidates for efficient microwave curing of nanocomposites. Lastly, the determination of thermal properties also confirms the maximum possible extent of curing of epoxy using SiC as nanofillers.

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Thermal and microwave dielectric properties of Cu/polyethylene oxide composite powder prepared by mechanical blending method

Cited by 16 publications

References 31 publications

Investigation on electromagnetic characteristics, microwave absorption, thermal and mechanical properties of ferromagnetic cobalt–polystyrene composites in the X-band (8.4–12.4 GHz)

Investigation on electromagnetic characteristics, microwave absorption, thermal and mechanical properties of ferromagnetic cobalt–polystyrene composites in the X-band (8.4–12.4 GHz)

Preparation and Prospect of Polymer Nanocomposites Used in High Voltage Equipment

Effect of silicon carbide nanoparticles on dielectric (2.45 GHz) and thermal properties of epoxy nanocomposites for microwave curing

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