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Walter Giurlani, Massimo Innocenti and Alessandro Lavacchi
Measuring the thickness and the composition of precious metal thin films is a challenging task. Currently, the available techniques for thickness measurements are either destructive or need heavy assumptions on the nature of the sample, relying on inform...
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Guilherme Torres Alves, Rosani do Carmo de Oliveira Arruda, Cristiane Pimentel Victório
The mangroves of Marambaia, area bathed by the Bay of Sepetiba, is located in an area protected by the Brazilian Army and has a remarkable level of environmental protection among ecosystems around the bay. Leaf content of minerals and potentially toxic e...
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Alessandro Sebastianelli, Francesco Mauro, Gianluca Di Cosmo, Fabrizio Passarini, Marco Carminati and Silvia Liberata Ullo
The aim of this concept paper is the description of a new tool to support institutions in the implementation of targeted countermeasures, based on quantitative and multi-scale elements, for the fight and prevention of emergencies, such as the current COV...
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Maria Dimitriadi, Aikaterini Petropoulou, Maria Zafiropoulou, Spiros Zinelis and George Eliades
New self-adhesive resin composite luting agents have currently been developed, claiming improved properties. The study aimed to evaluate the composition, degree of conversion, and mechanical properties of Panavia SA Plus (PSP), Panavia SA Universal (PSU)...
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Antonio Scarano, Sammy Noumbissi, Saurabh Gupta, Francesco Inchingolo, Pierbiagio Stilla and Felice Lorusso
The control of the effect of drills wear and corrosion related to clinical use represents a critical factor in implantology, because it is strictly related to the bone cutting precision and heat generation during site preparation.
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Wenhua Yuan, Lianjie Ji, Long Meng, Min Fang and Xiangchi Zhang
Pervious concrete is an innovative eco-friendly construction material. Through the application of mineral admixtures and microscopic analysis to optimize its performance and analyze its mechanisms, its traits as a sustainable building option may be furth...
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Whinda Rofika Arofah,Asep Yudi Permana,Riskha Mardiana
Pág. 1 - 14
Indonesia has a lot of potential for nature tourism in the form of mountains, sea, and beaches. This is also an attraction for tourists to make Indonesia as the preferred natural tourist destination when on vacation. Especially West Java, West Java is on...
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Ouahcène Nait-Rabah, Flavio Germain, Yannick Estevez, James Guiraud, Gildas Medjigbodo, Daniel Dias and Chadi Maalouf
This paper presents the first laboratory study of four materials (three lateritic soils and one sandy soil) mainly used in road construction in French Guiana. The analysis of macroscopic behaviour by physical tests, following French standards, made it po...
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Lingyao Meng, Jian Shang, Mengjiu Zhang, Aijun Xie and Yue Zhang
In this paper, rare-earth vanadiumizing layers were prepared on the surface of GCr15 steel by powder pack cementation. The tissue thicknesses of the vanadiumizing layers were characterized by metallographic microscopy, scanning electron microscopy, X-ray...
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Wen-Ten Kuo, Chuen-Ul Juang and Tzu-Yi Chen
This study investigated the effect of substituting cement with incense ash on material properties and hydration of cement-based composite materials. Test specimens with incense ash replacing up to 30% (volume) of cement were produced and cured at 25 °C a...
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Nam Chul Cho, Min Kyeong Jang and Il Kwon Huh
Bronze mirrors, considered important grave goods, were widely used before glass mirrors in ancient times. Most excavated bronze artifacts are covered with corrosive materials and lose their original colors. More importantly, identifying corrosion charact...
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Dmitriy V. Suvorov, Gennady P. Gololobov, Dmitriy Yu. Tarabrin, Evgeniy V. Slivkin, Sergey M. Karabanov and Alexander Tolstoguzov
The main features of electrochemical deposition of coatings based on Ni–W binary alloy in the pulse current mode using pyrophosphate electrolytes were studied. Two electrolytes with a pH of 8.7 and 9.5 were used. The deposition was carried out with...
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Tianxiang Sun, Guosheng Huang, Ping Lv, Likun Xu and Li Ma
The change of protective current density, the formation and growth of calcareous deposits, and the evolution of passive film on 304 stainless steel (SS) were investigated at different potentials of cathodic polarization in sea water. Potentiostatic polar...
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Marcel Reith, Christoph Breuning, Martin Franke and Carolin Körner
The development of process parameters for electron beam powder bed fusion (PBF-EB) is usually made with simple geometries and uniform scan lengths. The transfer to complex parts with various scan lengths can be achieved by adapting beam parameters such a...
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Jair A. Baldovino, Carlos Millan-Paramo and Manuel Saba
Recently, studies that introduce alternative binders or wastes for created geo-materials that can be mixed with soil to give it greater strength, are of paramount importance. Roof tile residue, for example, has been widely used to create geopolymers in m...
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Christos Kanellopoulos, Vasiliki Lamprinou, Artemis Politi, Panagiotis Voudouris, Ioannis Iliopoulos, Maria Kokkaliari, Leonidas Moforis and Athena Economou-Amilli
Caves with hot springs and speleothem deposits are infrequent environments of high scientific interest due to their unique environmental conditions. The selected site is a small open cave with a hot spring and stalactites in the Aedipsos area (NW Euboea ...
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Stanislav Hryhoriev,Damir Bikulov,Vi?tor Skachkov,Olga Berezhnaya,Oleksandr Oliynyk
Pág. 31 - 36
X-ray diffraction phase analysis of samples performed on a DRON-6 diffractometer has shown that the processes of CaWO4 transition to WC and W2C had the highest probability in the temperature range of 1,173?1,473 K. The end-product CaWO4, thermally treate...
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Artem Petryshchev,Nikolay Braginec,Viacheslav Borysov,Viacheslav Bratishko,Oleksii Torubara,Bohdan Tsymbal,Svitlana Borysova,Svitlana Lupinovich,Anatolii Poliakov,Volodymyr Kuzmenko
Pág. 37 - 42
The paper reports a study into the physical-chemical properties of a doped alloy obtained from reduction smelting. That was necessary to identify the parameters that reduce the loss of Ni and Cr when processing oxide alloyed raw materials and utilizing t...
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María-Dolores Avilés, Ramón Pamies, José Sanes, Francisco-José Carrión and María-Dolores Bermúdez
Fatty acids are natural products which have been studied as green lubricants. Ionic liquids are considered efficient friction reducing and wear preventing lubricants and lubricant additives. Fatty acid-derived ionic liquids have shown potential as neat l...
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Maurizio Masieri and Mariateresa Lettieri
Graffiti on facades often has a heavy impact in social and economic terms, particularly when historical and artistic artefacts are affected. To limit the damages to the surfaces, preventive plans are implemented and anti-graffiti coatings are used as a p...
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