|
|
|
|
|
Andrés Coves-Campos, Luis Bañón, José Andrés Coves-García and Salvador Ivorra
Road markings play an important role in road safety because they provide significant information to drivers about the road. For that reason, they must be replaced when they are not correctly perceived by road users. To analyse which are the main factors ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Joelle M. Segovia, Ching-Hsuan Huang, Maxwell Mamishev, Nanhsun Yuan, Jiayang He and Igor Novosselov
During the COVID-19 pandemic, reusable masks became ubiquitous; these masks were made from various fabrics without guidance from the research community or regulating agencies. Though reusable masks reduce the waste stream associated with disposable masks...
ver más
|
|
|
|
|
|
|
|
|
|
|
Aleksandr Klimov, Ilya Bakeev, Efim Oks and Aleksey Zenin
We describe our investigations of electron beam sintering of multilayer ZrO2-Al2O3 composite ceramics in the forevacuum pressure range (~30 Pa). To generate the electron beam, a plasma-cathode electron source operating in the forevacuum pressure range wa...
ver más
|
|
|
|
|
|
|
|
|
|
|
Luis Domenech, Víctor García-Peñas, Asta ?akalyte, Divya Puthukara Francis, Eskil Skoglund and Fernando Sánchez
Under droplet impingement, surface leading edge protection (LEP) coating materials for wind turbine blades develop high-rate transient pressure build-up and a subsequent relaxation in a range of strain rates. The stress-strain coating LEP behavior at a w...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shuhua Zhu, Kai Liu, Xulong Xi, Xiaochuan Liu, Yukun Zhou, Yaoyuan Liu and Mingbo Tong
The evaluation of structural crashworthiness is important for the development of civil aircraft. In this study, cargo luggage was considered in the vertical drop simulation of an aircraft mid-fuselage section. First, quasi-static compression tests on thr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ju Zhang, Pucun Bai, Changwang Yan, Shuguang Liu and Xiaoxiao Wang
Cement-based material is brittle and is easily damaged by an impact load with a few blows. The purpose of this paper is to study the relations between the impact resistance and tensile properties of cement-based materials reinforced by polyvinyl alcohol ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Evgenii M. Shcherban?, Sergey A. Stel?makh, Alexey N. Beskopylny, Levon R. Mailyan, Besarion Meskhi, Valery Varavka, Andrei Chernil?nik, Diana Elshaeva and Oxana Ananova
A current problem in the construction industry is the lack of complex, scientifically based technological materials and design solutions for universal types of building materials, products, and structures, especially in terms of structures operating unde...
ver más
|
|
|
|
|
|
|
|
|
|
|
Farid S. El-Askary, Sara A. Botros and Mutlu Özcan
The aim of this study was to evaluate the effect of surface treatment and storage time on immediate repair bond durability of methacrylate- and ormocer-based bulk fill composites. In total, 265 discs were divided into 32 groups (n = 8/group) according to...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jana Stepanovska, Roman Matejka, Martin Otahal, Jozef Rosina and Lucie Bacakova
The physical and chemical properties of the material surface, especially its roughness and wettability, have a crucial effect on the adhesion, proliferation, and differentiation of cells. The aim of this study is to select the most appropriate surface mo...
ver más
|
|
|
|
|
|
|
|
|
|
|
Elena Vjacheslavovna Pismennaja,Alexander Viktorovich Loshakov,Dmitrij Aleksandrovich Shevchenko,Stanislav Vladimirovich Odincov,Ljudmila Viktorovna Kipa
Pág. 113 - 120
The provision of food security in Russia under conditions of the WTO and the Customs Union, the food import embargo and sanctions is a complex and multiscale task for supplying industry with the agricultural raw materials and the population with foodstuf...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiufei Wang, Kun Liu, Mingcai Xu and Hewei Liu
In this study, a common cruciform structure in ship hulls was designed and experimented with in order to analyze its deformation characteristics under planar collision and quasi-static loading. The mechanical parameters of the materials were determined b...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tongqiang Yu, Kun Liu, Jiaxia Wang and Zili Wang
The increase in global warming has secured the arctic region as a research hotspot, and the existence of ice floes and massive icebergs poses a great challenge to the navigational safety of polar ships. For the finite simulation of ship?ice collisions, a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jürgen Bär
The direct current potential drop method (DCPDM) is widely used to determine the crack length in fatigue experiments. In practice, some special features of this method must be considered. Aside from general information on the experimental setup and calib...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhenhua Han, Luqing Zhang and Jian Zhou
Rock is an aggregate of mineral grains, and the grain shape has an obvious influence on rock mechanical behaviors. Current research on grain shape mostly focuses on loose granular materials and lacks standardized quantitative methods. Based on the CLUMP ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Péter Csizmadia, Sára Till
Pág. 305 - 311
This study presents a numerical investigation of flow and rheological behaviour of activated sludge. These materials are usually driven by pumps in wastewater treatment plants. Because of the correct sizing of the pipeline systems, which is of great impo...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kipkurui Ronoh, Jan Novotný, Libor Mrna, Alexandr Knápek and Dinara Sobola
Surface structuring by ultrafast lasers is a promising technique to modify surface-related properties of materials to tailor them for specific applications. In the present study, we experimentally investigated the laser structuring of commercially pure t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Pawel Surmacz and Zbigniew Gut
The article presents alternative metal-supported catalysts for decomposition of the highest-class hydrogen peroxide: 98%+ (Type 98 HP, according to MIL-PRF-16005F). The aim of this study was the experimental investigation of an alternative solution for d...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaoxia Zheng, Bohan He, Yu Zou, Qiao Yang, Yupeng Cao, Zhiqiang Li and Yaokun Han
It is well-established that the honeycomb sandwich composite structures are easily prone to damage under low-energy impact. Consequently, it would lead to a dramatic decrease in structural load-bearing capacity and a threat to overall safety. Both experi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Cristina Pavon, Miguel Aldas, David Bertomeu, Harrison de la Rosa-Ramírez, María Dolores Samper and Juan López-Martínez
Poly(butylene succinate) (PBS) is one of the contaminants in the Poly(ethylene terephthalate) (PET) recycling process. It is known that high contents of PBS in PET significantly reduce PET properties, but the effect of low contents on PET has yet to be s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Md. Habibur Rahman Sobuz, Ayan Saha, Jannatul Ferdous Anamika, Moustafa Houda, Marc Azab, Abu Sayed Mohammad Akid and Md. Jewel Rana
This research work is devoted to the experimental investigation of both rheological and mechanical properties of self-compacting concrete (SCC) produced with waste galvanized copper wire fiber and rice husk ash (RHA). In the study, three different volume...
ver más
|
|
|
|
|
|