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Zhiyi Leng, Shengfang Zhang, Wenzhe Wang, Hongtao Gu, Jian Yin, Ziguang Wang and Yu Liu
Hydrogen permeation reduces a material?s properties and increases the risk of brittle fracture, which causes a potential safety hazard. A workpiece?s hydrogen permeation resistance could be improved by improving its surface integrity through surface proc...
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Samuel Olufemi Folagbade,Aluko Olawale
Pág. 76 - 83
This paper compared the initial surface absorption of conventional concrete and laterized concrete containing Portland cement (PC) and sawdust ash (SDA). Laterized concrete was produced at laterite contents of 15 and 30% as partial replacement for sand a...
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Samuel Olufemi Folagbade
Pág. 96 - 101
This paper investigated the initial surface absorption (ISAT) of concrete using Portland cement (PC) and some binary and ternary cement combinations containing fly ash (FA), silica fume (SF) and metakaolin (MK) as partial replacements for PC at equal wat...
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Folagbade Samuel Olufemi
Pág. 57 - 64
The resistance to water penetration of cement combination concretes containing Portland cement (PC), fly ash (FA), and metakaolin (MK) have been investigated at different water/cement (w/c) ratios, 28-day strengths, and depths of water penetration using ...
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Colin A. Scholes
Membranes that are resistant to water vapor permeation have potential in natural gas sweetening by reducing the need for pretreatment. The perfluorinated polymer Teflon AF1600 has proven resistance to water vapor, which is adapted here in the form of com...
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Baojie Xu, Hualei Zhang, Jiadi Yin and Yonglin Xue
Although permeation grouting technology has been widely used in engineering practice, there has not been sufficient research on how the distribution of pore sizes in porous media affects the diffusion of grout. In this study, based on the fractal theory ...
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Sichu Xing, Songhang Du, Yingyue Huang, Xingqi Qi and Minghao Sui
Nanofiltration membranes (NF) have been widely used in the field of water treatment because of their advantages of high separation precision, easy operation, and no phase change. Conventional NF membranes, ensnared by the ?trade-off? effect, grapple with...
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Shaolong Li, Changlian Xu, Wenfeng Yang and Qingru Tang
We report an efficient and green approach to synthesize a linear castor oil-based polyurethane (CPU) without using any solvent or catalyst. Diol monomers were first synthesized by the aminolysis reaction between castor oil and diamines; this was accompli...
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Shaolong Li, Changlian Xu, Wenfeng Yang and Qingru Tang
We report an efficient and green approach to synthesize a linear castor oil-based polyurethane (CPU) without using any solvent or catalyst. Diol monomers were first synthesized by the aminolysis reaction between castor oil and diamines; this was accompli...
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Zhihao Hong, Long Wang, Yongjin Feng, Baoping Gong, Jijun Yang and Xiaoyu Wang
Pre-depositing a Pd film is crucial for accurately acquiring the hydrogen permeability of metal materials, as it permits the production of ultra-pure hydrogen. However, the microstructure of Pd film and its effect on the hydrogen isotope permeation behav...
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Jie Gao, Yuquan Yao, Jinhua Huang, Jiangang Yang, Liang Song, Jing Xu and Xinhu Lu
When using a high concentration of reclaimed asphalt pavement (RAP) in a recycled hot-mix asphalt mixture (RHMA), the degree of blending of the reclaimed asphalt binder significantly affects the performance of the RHMA. Hence, it is essential to know the...
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Sagar Tale, Ramadan Ahmed, Rida Elgaddafi and Catalin Teodoriu
The scope of this study includes modeling and experimental investigation of sulfide stress cracking (SSC) of high-strength carbon steel. A model has been developed to predict hydrogen permeation in steel for a given pressure and temperature condition. Th...
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Samir Kopacic, Andrea Walzl, Armin Zankel, Erich Leitner and Wolfgang Bauer
Paper-based food packaging materials are widely used, renewable, and biodegradable. Because of its porous structure, paper has poor or no barrier performance against grease, water vapor, water, and volatile organic compounds. Moreover, recycled paperboar...
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