Results 11 to 20 of about 5,762,967 (332)

Relationship between fine aggregate size and the air void system of six mortars: I. Air void content and diameter distribution

Cement and Concrete Composites, 2022
Kai Lyu, E. Garboczi, Yufeng Gao, C. Miao, Xiaoyan Liu   +4 more
semanticscholar   +3 more sources

Impact of thickness, void content, temperature and loading rate on tensile fracture toughness and work of fracture of asphalt mixtures- An experimental study using the SCB test

Engineering Solid Mechanics, 2023
Asphaltic concrete mixtures are among the most common construction materials for the pavement of roads. As a multi-phase composite mixture with randomly distributed aggregates inside the mastic part, the mechanical properties of such materials can be ...
M. Malek, M. Keymanesh
semanticscholar   +1 more source

Effect of Void Content on the Mechanical Properties of GFRP for Ship Design

Journal of Marine Science and Engineering, 2023
Defects such as voids in composite materials often degrade the mechanical properties of laminates. Even if these materials are manufactured based on the design requirements, there is a possibility of instability occurring in these composite structures ...
J. Jang, Maydison Maydison, Yeonju Kim, Z. Han, D. Oh   +4 more
semanticscholar   +1 more source

Experimental investigation into material characteristics of pea gravel [PDF]

Archives of Civil Engineering, 2021
Pea gravel is a kind of a coarse aggregate with a specific particle size used to fill the annular gap between the lining segments and the surrounding ground when tunnel construction with shield machines is performed in hard rock.
Jinliang Zhang, Qiuxiang Huang, Chao Hu, Zhiqiang Wang   +3 more
doaj   +1 more source

Void Content Reduction in 3D Printed Glass Fiber-Reinforced Polymer Composites through Temperature and Pressure Consolidation

Journal of Composites Science, 2022
To improve the properties of additively manufactured parts to be used in high-end applications, intrinsic defects occurring during the printing process need to be minimized.
Dakota R Hetrick, S. Sanei, Omar Ashour
semanticscholar   +1 more source

Effects of Parameters of Air-Avid Structure on the Salt-Frost Durability of Hardened Concrete

Applied Sciences, 2020
Through laboratory testing, this research studied the connection between air-void structures of hardened concrete and fresh concrete and discussed the effects of the air-void structure on the salt-frost durability of the concrete. The results demonstrate
Hui Zhang, Peiwei Gao, Zhixiang Zhang, Youqiang Pan, Weiguang Zhang   +4 more
doaj   +1 more source

Single Vacuum Bagging and Autoclave Curing System Influence on Physical and Mechanical Properties of Phenolic Composites [PDF]

علوم و تکنولوژی پلیمر, 2010
Industrial production of thermoset composite components involves the application of a vacuum bagging and autoclave pressure to minimize void percentage, usually to less than 5%.
M.A. Mirzapour, H.R. Haghighat, E. Zanjirian   +2 more
doaj   +1 more source

Void content reduction of composites with sensor-aided injection strategy in liquid composite molding process

Materials Research Express, 2021
Void is one of the critical issues affecting the mechanical performance of fiber-reinforced polymer composites. Aiming at the composite parts formed by Liquid Composite Molding, this develops a sensor-aided injection strategy, including a real-time ...
Pengfei He, Wenbin Zhao, Bin Yang, Jihui Wang, Aiqing Ni, Shuxin Li   +5 more
doaj   +1 more source

Annealing Effects on the Crystallinity of Carbon Fiber-Reinforced Polyetheretherketone and Polyohenylene Laminate Composites Manufactured by Laser Automatic Tape Placement

Medžiagotyra, 2020
In situ consolidation of thermoplastic composites by Automated Tape Placement (ATP) is challenging. High quality ATP grade pre-preg material and tape head equipped with an efficient heat sources like lasers offer an opportunity towards high deposition ...
Svetlana RISTESKA, Anka T. PETKOSKA, Samoil SAMAK, Marian DRIENOVSKY   +3 more
doaj   +1 more source

Investigation of Mechanical and Thermal Conductivity Properties of Sansevieria Roxburghiana Leaf Fibers Reinforced Composites: Effect of Fiber Loading

Journal of Natural Fibers, 2022
The aim of the present research was to elicit the influence of fiber loading on the mechanical properties and thermal conductivity of Sansevieria roxburghiana leaf fibers reinforced epoxy composites.
C. Kailasanathan, M. Gopi Krishna, B. NagarajaGanesh   +2 more
doaj   +1 more source