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Atomistic Study on the Mechanical Properties of HOP-Graphene Under Variable Strain, Temperature, and Defect Conditions.
Nanomaterials (Basel)
December 2024
Institute of Manufacturing Engineering, Huaqiao University, Xiamen 361021, China.
HOP-graphene is a graphene structural derivative consisting of 5-, 6-, and 8-membered carbon rings with distinctive electrical properties. This paper presents a systematic investigation of the effects of varying sizes, strain rates, temperatures, and defects on the mechanical properties of HOP-graphene, utilizing molecular dynamics simulations. The results revealed that Young's modulus of HOP-graphene in the armchair direction is 21.
View Article and Find Full Text PDFResearch on the low-temperature performance of basalt fiber- rubber powder modified asphalt mixtures under freeze-thaw in large temperature differences region.
Sci Rep
December 2024
Department of Civil Engineering, California State University-Chico, Chico, CA, 95929, USA.
Accurately assessing the low-temperature performance of asphalt materials is important for asphalt pavements in cold regions with large temperature differences. This study investigates the effects of freeze-thaw cycles on the low-temperature performance of basalt fiber-rubber powder composite modified asphalt mixtures (BRMAM). The influence of basalt fibers content on the mechanical properties of asphalt binder was characterized through basic property tests and bending beam rheometer (BBR) assessments.
View Article and Find Full Text PDFEffects of Steam Explosion on Curcumin Extraction from Fresh Turmeric Chips.
Plants (Basel)
December 2024
Department of Mechanical and Aerospace Engineering, King Mongkut's University of Technology, North Bangkok, Bangkok 10800, Thailand.
The purpose of this research is to study the effect of the steam explosion (SE) process on curcumin extraction from fresh turmeric chips. Fresh turmeric chips abruptly disintegrated during the steam explosion process. The investigation into the turmeric particles following the steam explosion process in the SEM micrographs revealed that the formation of surface cracks and cavities led to an increase in the surface area of turmeric particles.
View Article and Find Full Text PDFTough and circular glass fiber composites a tailored dynamic boronic ester interface.
Mater Horiz
December 2024
Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.
Glass fiber reinforced polymer (GFRP) composites are valued for their strength and cost-effectiveness. However, traditional GFRPs often face challenges for end-of-life recycling due to their non-depolymerizable thermoset matrices, and long-term performance due to inadequate interfacial adhesion, which can lead to fiber-matrix delamination. Here, we have designed dynamic fiber-matrix interfaces to allow tough and closed-loop recyclable GFRPs by utilizing a vitrimer, derived from upcycled polystyrene--poly(ethylene--butylene)--polystyrene (SEBS) with boronic ester (S-Bpin) and amine-based diol crosslinker.
View Article and Find Full Text PDFHigh temperature pyrolysis of sewage sludge: Synergistic effects of co-pyrolysis with rice straw and composite plastics wastes.
Heliyon
November 2024
Synthetic Fuels and Chemicals Technology Center, Istanbul Technical University, 34469, Istanbul, Turkey.
The synergistic effect of co-pyrolysis for the mixtures of sewage sludge (SS), rice straw (RS) and composite plastic wastes (PE&PP) has been investigated with the aim of high gas yields and hydrogen generation. In this context, the applicability of high temperature pyrolysis technology was evaluated at both rotary type batch reactor and rotating screw type continuous reactor operating under the industrially relevant conditions. Gas yields have been improved at increasing the operating temperatures up to 850 °C.
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