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Emi Kawai, Hideki Kakisawa, Atsushi Kubo, Norio Yamaguchi, Taishi Yokoi, Takashi Akatsu, Satoshi Kitaoka and Yoshitaka Umeno
For design of multi-layered environmental barrier coatings (EBCs), it is essential to assure mechanical reliability against interface crack initiation and propagation induced by thermal stress owing to a misfit of the coefficients of thermal expansion be...
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Wensheng Zhong, Shilin Hu, Manyuan Wu, Bichen Xiong, Qiaowen Liu, Qingqing Jia, Yaming Liu and Hongwei Liao
Superhydrophobic surfaces have received increasing attention due to their excellent water repellency, but the fragile stability of superhydrophobic coatings has been a huge hindrance to their applications. In this work, we constructed a layer of mullite ...
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Shima Taheri, Gerardo Pareja Delgado, Oluwatoosin B. A. Agbaje, Paritosh Giri and Simon Martin Clark
Prolonged exposure to low pH conditions affects the durability of concrete. In this work, the effect of mullite, aluminum silicate, on the strength and the acid corrosion of mortar and concrete under induced accelerated conditions in sulfuric acid soluti...
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Zihao Shu, Jun Deng, Zuoqin Qian, Chunguang Fei, Siwei Zhu, Yuxuan Du and Kai Zhou
Due to special working conditions, diesel engines often need to run stably for a long time at high power operating conditions. As the core of diesel engine moving parts, the piston needs to be exposed to high temperature for a long time. Based on the pro...
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Simona Elena Avram, Bianca Violeta Birle, Lucian Barbu Tudoran, Gheorghe Borodi and Ioan Petean
Used water treatment is one of the most important aspects of environmental protection regarding industrial processes. Particulate matter dispersions affect water parameters; for example, increased pH values such as 10.21 are found for used floor tile wat...
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Valeria Subbotin?,Oleg S?b?l,Valery Belozerov,Valentin Shnayder,Oleksandr Smyrnov
Pág. 6 - 15
It was determined that in an electrolyte containing 1.75 g/L KOH+1 g/L Na2SiO3+2 g/L NaAlO2, with an increase in current density from 15 A/dm2 to 50 A/dm2, the phase composition of the coating changes. In the three-phase state (a...
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Valeria Subbotin?,Oleg S?b?l,Valery Belozerov,Ubeidulla F. Al-Qawabeha,Taha A. Tabaza,Safwan Moh`d Al-Qawabah,Valentin Shnayder
Pág. 6 - 14
The influence of electrolysis conditions at different electrolyte compositions on the phase formation and properties of coatings obtained by microarc oxidation (MAO) on an aluminum alloy AMg6 was studied. For electrolysis, three types of electrolytes wer...
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Dinh-Hieu Vu, Hoang-Bac Bui, Bahareh Kalantar, Xuan-Nam Bui, Dinh-An Nguyen, Qui-Thao Le, Ngoc-Hoan Do and Hoang Nguyen
Coal-fired power stations are one of the primary sources of power generation in the world. This will produce considerable amounts of fly ash from these power stations each year. To highlight the potential environmental hazards of these materials, this st...
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Xuan Zhang, Yang Jiao, Laihao Yu, Lili Liu, Xidong Wang and Yingyi Zhang
The dramatic increase in sewage sludge production requires researchers to develop and explore more commercially viable ways for alleviating current environmental and socioeconomic challenges connected with its routine management. It has been established ...
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Paul-Désiré Ndjigui, Jean Aimé Mbey, Soureiyatou Fadil-Djenabou, Vincent Laurent Onana, Elie Constantin Bayiga, Christophe Enock Embom and Georges-Ivo Ekosse
Eight kaolinitic materials from the Lokoundje River at Kribi were sampled and investigated for their physical, chemical, mineralogical and thermal characteristics in order to evaluate their potential suitability as raw materials in ceramics. The Lokoundj...
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Valeria Subbotin?,Oleg S?b?l,Valery Belozerov,Alexander Subbotin,Yuliya Smyrnova
Pág. 14 - 23
The effect of electrolysis conditions with different electrolyte compositions on the growth kinetics, phase-structural state, and hardness of coatings obtained by microarc oxidation (MAO) on the D16 aluminum alloy (base ? aluminum, main impurity Cu) was ...
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Valeria Subbotin?,Ubeidulla F. Al-Qawabeha,Valery Belozerov,Oleg S?b?l,Alexander Subbotin,Taha A. Tabaza,Safwan Moh`d Al-Qawabah
Pág. 6 - 13
Coatings with a thickness of about 100 µm were obtained by microarc oxidation of technically pure aluminum and aluminum alloyed with copper and zinc in an alkaline silicate electrolyte at a current density of ~20 A/dm2. The results of studying ...
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Fa Yang, Bowen Guan, Jingyi Liu, Jiayu Wu, Jianan Liu, Chao Xie and Rui Xiong
The application of top-grade calcined bauxite to improve the skid resistance of pavement surface coatings increases construction costs and causes excessive tire wear. Therefore, it is necessary to investigate the polishing behavior of different grades of...
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Martin Civi?, Devraj Thimmaiah, Jan Hovorka
A metallic cylindrical resuspension chamber (V = 0.437 m3, S = 0.35 m2, S/V = 8.38) was constructed to disperse samples of soil and various kinds of dust. The chamber allows on-line determination of number/mass size distribution of aerosol particles form...
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