Results 31 to 40 of about 295,692 (316)

Interaction Mechanism of Cementitious Composites Containing Different Twisted PVA Fiber Bundles

Buildings, 2023
Fiber-reinforced cementitious composites (FRCCs) have made significant progress in improving the tensile and flexural properties of concrete members. Studies have shown that polyvinyl alcohol (PVA) fibers can effectively enhance the toughness of FRCCs ...
Hongmei Zhang, Fan Hu, Yuanfeng Duan, Jiaqi Yang, Zhengteng Duan, Lening Cao   +5 more
doaj   +1 more source

Influence of Material Thickness on the Ductile Fracture of Steel Plates for Shipbuilding

Polish Maritime Research, 2022
In the shipbuilding industry, the risk of brittle fractures is relatively high because some units operate in arctic or subarctic zones and use high thickness (up to 100 mm) steel plates in their structures.
Kowalski Jakub, Kozak Janusz
doaj   +1 more source

Toughness, Reinforcing Mechanism, and Durability of Hybrid Steel Fiber Reinforced Sulfoaluminate Cement Composites

Buildings, 2022
As a low-carbon ecological cement-based material, SAC (sulfoaluminate cement) has become a research hotspot. This study developed a SAC-based high-performance concrete material with good durability and high toughness.
Kai Cui, Jun Chang, Mohanad Muayad Sabri Sabri, Jiandong Huang   +3 more
doaj   +1 more source

Mechanical Performance of Concrete Made with the Addition of Recycled Macro Plastic Fibres

Applied Sciences, 2021
For many decades, researchers have been working on finding innovative and sustainable solutions to address the enormous quantities of plastic waste that are produced every year which, after being collected, are transformed into energy, recycled, or sent ...
Pietro A. Vaccaro, Adela P. Galvín, Jesús Ayuso, Auxi Barbudo, Antonio López-Uceda   +4 more
doaj   +1 more source

Improved fracture toughness by microalloying of Fe in Ti-6Al-4V

Materials & Design (1980-2015), 2020
The widely used Ti–6Al–4V (TC4) titanium alloy has been modified through the micro-alloying of Fe. The microstructural features and mechanical properties of the designed alloy, TC4F, are compared with other alloys in Ti–6Al–4V class by combining ...
Fuwen Chen, Yulei Gu, Guanglong Xu, Yuwen Cui, Hui Chang, Lian Zhou   +5 more
semanticscholar   +1 more source

Topology optimization of wheel spoke cavities for lightweight design under bending fatigue and impact load cases

Scientific Reports
This paper presents a Multi-Load-Case topology optimization framework for aluminum alloy wheels to overcome the limitations of empirical rear-cavity lightweight designs.
Guangdong Zhang, Xin Cui, Yongxing Zang, Yangyang Zhou, Jianjun Lu, Zhansheng Li, Haitao Yang, Jiandong Wang, Zhen Ye, Risheng Li, Linzhen Zhou   +10 more
doaj   +1 more source

Self‐Regulated Learning Meets AI: Reinterpreting Self‐Regulation, Co‐Regulation, and Socially Shared Regulation in Human–AI Interaction

New Directions for Adult and Continuing Education, EarlyView.
ABSTRACT Advancing artificial intelligence (AI) has transformed learning and work, yet higher education and professional development programs have not systematically equipped learners for AI‐prevalent environments. This lack of preparation creates uncertainty regarding control, responsibility, trust, and accountability.
Moon‐Heum Cho, Jerusalem Merkebu
wiley   +1 more source

Shape optimisation of rim structure of aluminium alloy car wheels based on 90° impact test

Scientific Reports
Automotive wheels are critical components for vehicular safety, with the rim subjected primarily to radial bending loads during operation. Balancing rim thickness and structural integrity under these loading conditions is imperative.
Guangdong Zhang, Shike Tao, Yangyang Zhou, Zhen Ye, Jianjun Lu, Risheng Li, Shihui Li, Linzhen Zhou, Tong Deng   +8 more
doaj   +1 more source

Harary index, binding number and toughness of graphs

Kuwait Journal of Science
Given a connected (molecular) graph 𝐺, its Harary index 𝐻(𝐺) is defined by the reciprocal sum of the distances between all unordered pairs of vertices of 𝐺.
Mingqiang An
doaj   +1 more source

The effect of aggregate aspect ratio and temperature on the fracture toughness of a low cement refractory concrete

Materials Research, 2003
This work investigated the influence of the aggregate's aspect ratio on the fracture behavior of a low cement aluminum silicate refractory castable treated at two different temperatures (110 °C and 1000 °C).
Laura Brum Prata, Walter Libardi, João Baptista Baldo   +2 more
doaj   +1 more source