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S. Johana Grajales-Mesa and Grzegorz Malina
This study evaluates, under field conditions, the efficiency of a permeable reactive barrier (PRB) with compost and brown coal to remove trichloroethylene (TCE) (109 µg/L) from contaminated groundwater. Three stainless steel boxes (1.2 × 0.5 × 0.5 m) wit...
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Chitransh Shrivastava, Nor Hafizah Ramli Sulong, Tatheer Zahra, Mohamed Elchalakani, Kumari Gamage and Sabrina Fawzia
The environmental concerns raised by the over-exploitation of fresh water and river sand have driven researchers to explore seawater sea sand concrete (SWSSC) as a substitute for conventional concrete in structural columns. With numerous investigations o...
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Filomena Piscitelli and Annalisa Volpe
Corrosion is a persistent challenge in the aviation industry, affecting the safety, performance, and maintenance costs of aircraft. While composite materials have gained widespread use due to their lightweight properties and corrosion resistance, certain...
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Omer Faruk Can, Nevin Celik, Filiz Ozgen, Celal Kistak and Ali Taskiran
In this study, a numerical and experimental analysis of a solar collector with roughness elements in the form of stainless-steel scourers on the absorber surface is presented. According to the location type and number of the stainless steel scourers, the...
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Ruilin Liu, Yunqi Liu, Hongming Liu, Yuanxing Li, Hui Chen and Zongtao Zhu
Laser?MIG hybrid welding?brazing was used to weld 304 stainless steel and 6061-T6 aluminum alloy with a thickness of 2 mm. The microstructure, morphology, chemical composition and corrosion behavior of the samples after high-temperature oxidation were in...
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Zeliang Liu, Rui Zhao, Chenglin Tao, Yuan Wang and Xi Liang
Lattice structures are characterized by a light weight, high strength, and high stiffness, and have a wide range of applications in the aerospace field. Node stress concentration is a key factor affecting the mechanical performance of lattice structures....
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Charlotte Wehner, Bradley Shirley, Garrett Mathesen, Julian Merrick, Brandon Weatherford and Emilio Alessandro Nanni
The manufacturing of active RF devices like klystrons is dominated by expensive and time-consuming cycles of machining and brazing. In this article, we characterize the RF properties of X-band klystron cavities and an integrated circuit manufactured with...
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Sadiq Gbagba, Lorenzo Maccioni and Franco Concli
In the shipbuilding, construction, automotive, and aerospace industries, welding is still a crucial manufacturing process because it can be utilized to create massive, intricate structures with exact dimensional specifications. These kinds of structures ...
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Doria Gergeta, Matea Badnjevic, Ljerka Karleusa, Zeljka Maglica, Stjepan Spalj and Ivana Gobin
This study aimed to analyse the effect of chlorhexidine digluconate (CHX DG) mouthwash on the adhesion of oral bacteria to orthodontic appliances. The interactions of four bacteria (S. mutans, A. actinomycetemcomitans, S. oralis, and V. parvula) with two...
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Juraj Ru?barský
In the experiment, the roughness was measured on a machined surface with high gloss, which was also the main requirement for the test samples. For this reason, the samples made of stainless steel A304 and aluminum alloy AW 2017 were created by a progress...
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