Some Fixed Point Theorems in n−normed spaces

Lazam, Hanan Sabah; Abed, Salwa Salman

doi:10.29350/qjps.2020.25.3.1115

Cited by 4 publications

(1 citation statement)

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“…As a result of the growing desire for improved material qualities to meet market demands, nanoparticles have been integrated into composite materials. Several studies can be found in the open literature that focused on the reinforcement of the mechanical and physical properties of composites using nanoparticles [11][12][13][14]. Some successful examples of these studies are discussed below.…”

Section: Introductionmentioning

confidence: 99%

Enhancing the Performance of Hybrid Composites through the Addition of Zinc Oxide and Carbon Fibers

A. Nawi,

Mohamed,

Rajab

et al. 2024

DJES

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Hybrid composite materials combining polymers and reinforcements are gaining interest for enhanced engineering properties. The main goal of this study was to create the best hybrid composite using carbon fibers, zinc oxide micro- and nanoparticles, epoxy, phenol-formaldehyde resin, and more. Samples with varying ratios of epoxy resin (50–100%) and phenol-formaldehyde resin (0–50%) were fabricated. Mechanical and water absorption testing evaluated the effects of the zinc oxide particles and carbon fibers on tensile strength, elasticity, and liquid resistance. Results showed improved tensile strength and minimized water absorption at 10% phenol resin content. Further, zinc oxide nanoparticles offered better reinforcement than microparticles, attributed to higher surface area-to-volume ratios. However, carbon fiber addition increased water absorption despite improving tensile properties. In the end, the best composite was made up of carbon fibers, zinc oxide nanoparticles, 90% epoxy resin, and 10% phenol-formaldehyde resin. This affordable hybrid composite has potential applications in sewage system piping. Further work should focus on improved mixing methods to leverage synergies between the composite constituents. The study provides valuable insights into tuning hybrid composites with nanoparticles and fibers for advanced functionality.

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Section: Introductionmentioning

confidence: 99%

Enhancing the Performance of Hybrid Composites through the Addition of Zinc Oxide and Carbon Fibers

A. Nawi,

Mohamed,

Rajab

et al. 2024

DJES

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Additional Properties of Frame Domination in Graphs

Talib

Omran

Rajihy

2020

J. Phys.: Conf. Ser.

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The generalization of frame domination concept on graphs is the main aims of this work. In addition, some advanced properties on frame domination have been presented. Some corresponding theorems related to delete, add edges or delete vertices have been proved. Also, the relationship between the original graph and a graph getting from contraction edges has been addressed. Finally, the upper and lower bounds of frame domination number for some special different graphs have been compared and determined.

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