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Marian Grigoras, Mihaela Lostun, George Stoian, Gabriel Ababei, Marieta Porcescu and Nicoleta Lupu
a?-Fe16N2 materials are of increasing interest for their applications in products such as rare earth-free permanent magnets. The lack of a method of mass production for powders as raw materials delays the preparation of such magnets. Through employing th...
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Vladimir Kotlyar, Victoria Pishchulina, Alexey N. Beskopylny, Besarion Meskhi, Yury Popov and Innessa Efremenko
Determining the age of ancient architectural and cultural monuments is a significant scientific problem. An approach based on the transformation of portlandite into calcite and subsequent recrystallization of calcite is considered, which allows for estim...
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Chiara Elmi, Amanda G. Simal and Gregory P. Winchester
Virginia is a state in the Southeastern and Mid-Atlantic regions of the United States of America that offers spectacular sceneries and varied geologic history that covers about 1.5 billion years. A rock garden was developed at the Edith J. Carrier Arbore...
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Roman V. Denys, Volodymyr A. Yartys, Evan MacA. Gray and Colin J. Webb
This work focused on the high pressure PCT and in situ neutron powder diffraction studies of the LaMg2Ni9-H2 (D2) system at pressures up to 1,000 bar. LaMg2Ni9 alloy was prepared by...
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Katharina Fucke and Jonathan W. Steed
A review. Diffraction methods are a powerful tool to investigate the crystal structure of organic compounds in general and their hydrates in particular. The laboratory standard technique of single crystal X-ray diffraction gives information about the mol...
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Eniko Bitay, Irina Kacsó, Claudiu Tanaselia, Dana Toloman, Gheorghe Borodi, Szilamér-Péter Pánczél, Zsombor Kisfaludi-Bak and Erzsébet Veress
Iron slag samples unearthed from archaeological sites lying on the Eastern limes sector of Roman Dacia (the Brâncovenesti and Calugareni auxiliary forts and the Vatava watchtower) were studied in order to assess the probability of local iron working (sme...
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Nandipha L. Botha, Karen J. Cloete, Nolubabalo Matinise, Oladipupo M. David, Admire Dube and Malik Maaza
The application of nanotechnology in antimicrobial and cytotoxicity studies has recently been receiving increased interest. This paper report on the use of Persea americana Mill. (avocado) seed husk to synthesize hydronium jarosite nanoparticles in a fac...
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Ghasem Azimiroeen, Seyed Farshid Kashani-Bozorg, Martin Nosko and Saeid Lotfian
Friction stir processing (FSP) offers a unique opportunity to tailor the microstructure and improve the mechanical properties due to the combination of extensive strains, high temperatures, and high-strain rates inherent to the process. Reactive friction...
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Hristina Lazarova, Rusi Rusew, Kostadin Iliev, Liliya Tsvetanova, Borislav Barbov and Boris Shivachev
The present work focuses on the removal of dyes from polluted water, and, more precisely, the targets are crystal violet (CV) and methylene blue (MB). For this purpose, a series of Zr-modified catalysts based on microporous Engelhard Titanium Silicate 10...
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Nguyen Anh Tien, Cam Thanh Son, Valentina Olegovna Mittova, Irina Yakovlevna Mittova, Elena Viktorovna Tomina, Truong Chi Hien and Bui Xuan Vuong
In this paper, powders consisting of o-EuFeO3 nanoparticles were obtained by the co-precipitation method using two different precipitating agents (NH3 and (NH4)2CO3 solutions; corresponding products were denoted as samples S.1 and S.2, respectively) and ...
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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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Gennady Pribytkov, Victoria Korzhova, Elena Korosteleva and Maksim Krinitcyn
Al-Cr and Al-Cr-Si composite cathodes were obtained by the hot compaction of aluminum, chromium, and silicon powder mixtures. The phase transformations in the surface layer of the Al-Cr-Si composite cathodes subjected to the arc heating were considered. ...
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Aleksandra Lont, Jacek Górka, Damian Janicki and Krzysztof Matus
The article presents the results of the laser alloying process of a ductile cast iron EN-GJS 350-22 surface with titanium powder in nitrogen atmosphere. The aim of this research was to test the influence of nitrogen atmosphere on the structure and proper...
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Alejandro Jiménez, Marta Valverde, Alexander Misol, Raquel Trujillano, Antonio Gil and Miguel Angel Vicente
Aluminum from saline slags generated during the recycling of this metal, extracted under reflux conditions with aqueous NaOH, was used in the synthesis of hydrocalumite-type solids with the formula Ca2Al1?mFem(OH)6Cl·2H2O. The characterization of the obt...
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Mariana Ferreira, Carla M. Lopes, Hugo Gonçalves, João F. Pinto and José Catita
Individualised medicine demands the formulation of pharmacotherapy in accordance with the characteristics of each patient?s health condition, and paediatrics is one of the areas that needs this approach. The 3D printing of oral doses is one method for ac...
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Do Nam Binh, Nguyen Thi Hoang Oanh and Nguyen Hoang Viet
In this paper, the influence of mechanical milling on the microstructural evolution and magnetic properties of Al82Fe14Ni4 alloys prepared by mechanical alloying is investigated. The elemental powder mixture was processed under argon gas at 250 rpm and 3...
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Khansaa Dawood Salman, Wisam Abed Kattea Al-Maliki, Falah Alobaid and Bernd Epple
This work aims to define the microstructure and to study the mechanical properties of an Al matrix incorporated with various amounts of Fe2O3 (3, 6, 9, 12 and 15 wt.%) with a constant amount of Ag at 1 wt.%. Al/Fe2O3 + Ag hybrid nano-composite samples ar...
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Ikram Ahmad, Muhammad Asghar Jamal, Miara Iftikhar, Awais Ahmad, Shahid Hussain, Humaira Asghar, Muhammad Saeed, Ammar Bin Yousaf, Rama Rao Karri, Nada Sulaymaniyah Al-kadhi, Mohamed Ouladsmane, Ayman Ghfar and Safia Khan
This work intended to enhance the unique and outstanding properties of lanthanum by synthesizing its nanocomposite. A lanthanum-based nanocomposite was prepared by a simple and cost-effective ?co-precipitation? method. Lanthanum nitrate (La (NO3)3) and z...
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Faranak Barandehfard, James Aluha and François Gitzhofer
Thermal spraying of aluminum nitride (AlN) is a challenging issue because it decomposes at a high temperature. In this work, the use of suspension plasma spray (SPS) technology is proposed for the in situ synthesis and deposition of cubic-structured AlN ...
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Jean-Aimé Mbey, Jean Mermoz Siéwé, Cyrill Joël Ngally Sabouang, Angelina Razafitianamaharavo, Sakeo Kong and Fabien Thomas
The present study deals with the relation between crystalline order in kaolinites and their ability to intercalate DMSO. Raw clays and kaolinite?DMSO complexes are analyzed using FTIR, XRD powder diffraction and differential scanning calorimetry and ther...
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