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Aminur Rahman
This study explores the potential of modified shrimp-based chitosan (MSC) as an innovative adsorbent for eliminating heavy metals (HMs) from contaminated water sources. The modifications encompassed various chemical treatments, surface functionalization,...
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Luigi Germinario, Lorena C. Giannossa, Marco Lezzerini, Annarosa Mangone, Claudio Mazzoli, Stefano Pagnotta, Marcello Spampinato, Alfonso Zoleo and Giacomo Eramo
This study presents the petrographic and chemical characterization of the frescoes in the Church of San Panfilo in Tornimparte (AQ, Italy) by Saturnino Gatti, a prominent painter of the late 15th?early 16th century, known for his exquisite technique, com...
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Andrea Martín-Vacas, Vicente Vera-González, Julio Ramírez-Castellanos, Diego González-Gil and Manuel Joaquín de Nova García
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Laura Moretti, Stefano Natali, Alice Tiberi and Antonio D?Andrea
The aim of this paper is to present the results of X-ray diffraction (XRD) tests and scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDS) analyses on a natural and lime-treated clay, in order to determine the percentage of lime abl...
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The study of ancient marble plays an important role in the interpretation of historical and archaeological sites and gives interesting information about building materials used in ancient times and their trade routes. The present work focuses on Chianocc...
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Giovanni Zanchetta,Adriano Ribolini,Matteo Ferrari,Monica Bini,Ilaria Isola,Marco Lezzerini,Carlo Baroni,Maria Cristina Salvatore,Marta Pappalardo,Enrique Fucks,Gabriella Boretto
Pág. 130 - 144
Ground wedge structures of cryogenic origin are common in the Quaternary sediments along the coast of the Patagonia, and their formation is related to climatic cold events experienced by this area in the Late Quaternary. The infilling sediments of two we...
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Anthony Hughes, James Laird, Chris Ryan, Peter Visser, Herman Terryn and Arjan Mol
The distribution and chemical composition of inorganic components of a corrosion-inhibiting primer based on polyurethane is determined using a range of characterisation techniques. The primer consists of a Li2CO3 inhibitor phase, along with other inorgan...
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Tomasz L. Brzezinka, Jeff Rao, Mohamad Chowdhury, Joern Kohlscheen, German S. Fox Rabinovich, Stephen C. Veldhuis and Jose L. Endrino
Combinatorial deposition, comprising filtered cathodic vacuum arc (FCVA) and physical vapor deposition (PVD) magnetron sputtering is employed to deposit molybdenum disulphide (MoS2) and titanium (Ti) thin films onto TiB2-coated tool inserts specifically ...
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Dan Persson, Dominique Thierry and Nathalie LeBozec
The initial atmospheric corrosion of ZM (ZnAlMg)-coated steel in humid air (85% RH) and humid argon (85% RH) containing 320 ppb SO2 was studied using in situ infrared reflection absorption spectroscopy (IRRAS), FTIR-ATR focal plane array (FPA) imaging an...
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Luca Pezzato, Dragos Vranescu, Marco Sinico, Claudio Gennari, Alessio Giorgio Settimi, Pietro Pranovi, Katya Brunelli and Manuele Dabalà
In this work, the tribocorrosion behavior of plasma electrolytic oxidation (PEO)-coated AZ91 samples was studied. In particular, two different coatings were produced and compared. One was obtained with an alkaline electrolyte containing sodium phosphate,...
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Sujeong Pyeon, Gyuyong Kim, Sangsoo Lee and Jeongsoo Nam
High-strength concrete (HSC) uses binders and microfillers with ultrafine particles, such as silica fume. The resulting dense internal hydration structure rapidly decreases HSC humidity, causing shrinkage cracks and affecting internal hydration. Herein, ...
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Yufan Ding, Catia Sofia Clemente Salvador, Ana Teresa Caldeira, Emma Angelini and Nick Schiavon
An experimental study was conducted to assess the nature and extent of the biodeterioration of the limestone in the Batalha Monastery in Portugal. Stone fragments covered with microbial biofilms and lichenous crusts were investigated using Optical Micros...
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Wei Zhang and Yili Huang
Increasing heavy metal pollution in water continues to endanger human health. The genus Shinella has potential for heavy metal bioremediation but has rarely been studied. In this study, we report that Shinella zoogloeoides PQ7 turns black in the presence...
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In-Kyu Choi, Soo-Ho Cho, Sung-Joon Kim, Yoo-Shin Jo and Sang-Ho Kim
The corrosion resistance of homogenized Al-Mg (6.5%) alloy?adding Si, Zn, Mn, and Fe (0.2%) to improve various properties?was observed. Differential scanning calorimetry (DSC) and a JMatPro simulation revealed that the optimal homogenization temperature ...
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Zhaobin Liu, Jiaxin Li, Haoping Peng, Aijun Xie and Zhiwei Li
The effect of Mg addition on the microstructure and sacrificial anode protection performance of a hot-dip Al-5Zn-4Si-xMg coating was studied by scanning electron microscopy (SEM-EDS), an X-ray diffractometer, and an electrochemical workstation. The resul...
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Chong Chen, Tao Wang, Shizhong Wei, Feng Mao, Wenliang Liu, Mei Xiong, Tao Jiang, Liqiang Xiao, Xiaodong Wang and Cheng Zhang
Casting infiltration technology was used to fabricate a high-chromium coating on the surface of parent ZG45 steel with different Ni content. SEM, EDS analysis, CALPHAD-type calculations, Rockwell hardness test and impact wear test were utilized to invest...
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Isabel Rute Fontinha and Elsa Eustáquio
Anodizing is commonly used for corrosion protection of aluminum and its alloys in the construction industry. The anodic aluminum oxide (AAO) coating has a high ability to prevent the development of extensive pitting corrosion in aluminum substrates, part...
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Ramona Cimpoe?u, Petrica Vizureanu, Ioan ?tirbu, Alina Sodor, Georgeta Zegan, Marius Prelipceanu, Nicanor Cimpoe?u and Nicoleta Ioanid
An alloy surface with possible applications in the medical field, Ti4A14Zr, was improved through the deposition of a thin hydroxyapatite (HA) layer. In this paper, we analyzed the growth of a HA layer through electrophoresis and the corrosion resistance ...
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Muhammad Ahsan Iqbal, Humaira Asghar and Michele Fedel
A protective CoAl-layered double hydroxide (LDH) thin film was developed directly on the aluminum substrate. Further, the low-surface-energy molecules (1H, 1H, 2H, 2H perfluorododecyl trichlorosilane) were incorporated inside the LDH network through an a...
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Michelina Catauro, Simona Piccolella and Cristina Leonelli
Silica/polycaprolactone and titania/polycaprolactone hybrid organic/inorganic amorphous composites were prepared via a sol-gel method starting from a multi-element solution containing tetramethyl orthosilicate (TMOS) or titanium butoxide (TBT), polycapro...
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