Results 11 to 20 of about 4,554,323 (351)

New approaches to casting hypereutectic Al-Si alloys to achieve simultaneous refinement of primary silicon and modification of eutectic silicon [PDF]

, 2013
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel UniversityHypereutectic Al-Si alloys are of increasing interest for applications that require a combination of light weight and high wear resistance, such as pistons ...
Al-Helal, Kawther
core   +7 more sources

Effects of nano-SiO2 additives on carbon fiber-reinforced fly ash–slag geopolymer composites performance: Workability, mechanical properties, and microstructure

Nanotechnology Reviews, 2023
Fly ash and slag are commonly used precursors in alkali-activated concrete. However, they suffer from high brittleness, poor toughness, and susceptibility to cracking.
Zhang Dongsheng, Yang Qiuning, Wang Yafan, Li Jiabin   +3 more
doaj   +1 more source

Laboratory Investigation of the Composite Influence of Rock Asphalt and Montmorillonite on the Performance of Bio-Asphalt

Applied Sciences, 2023
To improve the rutting resistance and anti-aging performance of bio-asphalt, the composite modifier of rock asphalt and montmorillonite is used to modify the bio-asphalt.
Minghao Mu, Chaochao Liu, Zhengnan Liu
doaj   +1 more source

Microstructural change of improved dispersive soil based on scanning electron microscope and nuclear magnetic resonance technology

Yantu gongcheng xuebao, 2023
The dispersive clay is a special clay that is easy to disperse and disintegrate in low salt water. This characteristic leads to the instability and failure of many water conservancy and geotechnical projects.
WANG Enliang , LI Yuang , REN Zhifeng , JIANG Haiqiang , LIU Chengqian , ZOU Yiyun , DU Shilin
doaj   +1 more source

Study on the Rheological Performance and Microscopic Mechanism of PPA/SBS/SBR Composite-Modified Asphalt Cold Replenishment Liquid

Applied Sciences, 2023
To prepare high-performance asphalt cold replacement liquids, a composite modification preparation process was used to synthesize a styrene–butadiene–styrene (SBS) block copolymer, styrene–butadiene–rubber (SBR) copolymer, and polyphosphate acid (PPA ...
Zongjie Yu, Xiaoyi Ban, Yafeng Xu, Xiaosong Liu, Lei Ma, Shujun Liu, Zengping Zhang, Yueming Zhou   +7 more
doaj   +1 more source

Advances in water-resistant modification of aqueous acrylic resins: modification methods, mechanism of action [PDF]

MATEC Web of Conferences, 2022
Waterborne acrylic resin is widely available in architectural coatings, road adhesives, etc. Its non-toxicity, non-irritating odour, and low cost are characteristics that have received increasing attention in recent years. Concerning the water-resistance
Wei Jiajun, Ouyang Chunfa, Shan Xiaoqian, Gao Qun, Zheng Kangsheng, Luo Wei   +5 more
doaj   +1 more source

Study of Linearization of Hill Dose-Effect Curve with Metabolic Velocity Instead of Drug Concentration

Digital Chinese Medicine, 2018
: Objective To explore the velocity-effect relationship in order to the establish linearization of effect on an equation with regard to the consistency of the Hill dose-effect expression with the metabolic kinetics of receptors.Methods The linear ...
Run-Nan LIU, Yu TANG, Ping-An LIU, Wen-Long LIU, Qi-Meng FAN, Si-Yang CHEN, Peng HE, Hai-Ying LI, Fu-Yuan HE, Kai-Wen DENG   +9 more
doaj   +1 more source

Research on Optimum Mix Proportion and Modification Mechanism of Backfill Materials Based on Orthogonal Tests

Meikuang Anquan, 2020
To improve the strength, shrinkage and erosion resistance of backfill material, the research on the optimum mix ratio was studied by modern material modification technology.
NAN Qiucai
doaj   +1 more source

Polyolefin Elastomer Modified Asphalt: Performance Characterization and Modification Mechanism

Buildings, 2023
The rapid growth of traffic load and volume has put forward higher requirements for road durability. To extend the service life of roads, this work investigated the feasibility of using polyolefin elastomers with a two-phase molecular structure to ...
Zhen Ye, Yuechao Zhao
doaj   +1 more source

Study on Modification Mechanism and Performance of Waterborne Epoxy Resin Micro-Surfacing

, 2023
This study examines the mechanical performance, deformability properties and rheological properties of a newly developed waterborne epoxy resin (WER)-modified emulsified asphalt (WE/A) binder for micro-surfacing. Two types of WER, semi-flexible and rigid,
Qiang Xiao, Dongdong Chen, Shaolong Huang, Qingjun Ding, Fan Jin   +4 more
core   +1 more source