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Collected data on bending, vibration, and push-out tests of shallow steel-timber composite beams-Nordic system.
Data Brief
December 2024
Tampere University, Faculty of Built Environment, P.O. Box 600, FI-33014 Tampere, Finland.
In a slim-floor structural system, beams and slabs are placed at the same level, reducing the overall floor height and material usage in vertical structures, thereby improving economic efficiency. The use of slim-floor structures is common practice in Finnish construction where these structures are typically constructed using hollow-concrete slabs and welded steel box beams. However, in Finland, only a few buildings utilise cross-laminated timber (CLT) slabs in slim-floor structures, and none have incorporated the composite action between CLT and steel beams.
View Article and Find Full Text PDFStability and performance investigation using different electrode configurations and electrolyte compositions in an oxyhydrogen gas generator.
RSC Adv
December 2024
Department of Mechanical Engineering, Quaid-e-Awam University of Engineering, Science and Technology Nawabshah Sindh Pakistan.
This study aimed to develop an efficient HHO generator with higher gas production, enhanced electrodes, and stable current density. For HHO generator stack fabrication, 15 plates of 304L stainless steel were utilized, accompanied with a 4 mm rubber separator to maintain the gap between electrodes. Each plate in the stack was connected a separate wire through lug spot welding, enabling the assembly of different configurations for testing.
View Article and Find Full Text PDFUltra-Thin Highly Sensitive Electronic Skin for Temperature Monitoring.
Polymers (Basel)
October 2024
School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China.
Electronic skin capable of reliable monitoring of human skin temperature is crucial for the advancement of non-invasive clinical biomonitoring, disease diagnosis, and health surveillance. Ultra-thin temperature sensors, with excellent mechanical flexibility and robustness, can conformably adhere to uneven skin surfaces, making them ideal candidates. However, achieving high sensitivity often demands sacrificing flexibility, rendering the development of temperature sensors combining both qualities a challenging task.
View Article and Find Full Text PDFThe Designs and Testing of Biodegradable Energy-Absorbing Inserts for Enhanced Crashworthiness in Sports Helmets.
Materials (Basel)
September 2024
Department of Environmental Protection Engineering, Faculty of Environmental Engineering, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland.
This article addresses manufacturing structures made via injection molding from biodegradable materials. The mentioned structures can be successfully used as energy-absorbing liners of all kinds of sports helmets, replacing the previously used expanded polystyrene. This paper is focused on injection technological tests and tensile tests (in quasi-static and dynamic conditions) of several composites based on a PLA matrix with the addition of other biodegradable softening agents, such as PBAT and TPS (the blends were prepared via melt blending using a screw extruder with mass compositions of 50:50, 30:70, and 15:85).
View Article and Find Full Text PDFHigh magnetization composite magnetic fluid: structure, magnetorheology and new sealing mechanism in rotating seals.
Soft Matter
August 2024
Romanian Academy - Timisoara Branch, Center for Fundamental and Advanced Technical Research, Laboratory for Magnetic Fluids, 24 Mihai Viteazul Ave., 300223, Timisoara, Romania.
Article Synopsis
- * Despite their advantages, magnetorheological fluids face challenges like increased friction torque and leakage of carrier liquid when used in rotating seals.
- * A novel approach involves using extremely bidisperse MR suspensions with micrometer-sized iron particles in a ferrofluid, which not only increases magnetization but also alters flow properties, leading to an innovative sealing mechanism that significantly boosts performance with minimal additives.
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