Results 41 to 50 of about 6,333 (215)

Icosahedral Clusters [In@Tr12]10–: Synthesis, Characterization, and Electronic Structure Investigations of Na4A6Tr13 (A = Rb, Cs; Tr = In, Tl)

European Journal of Inorganic Chemistry, Volume 28, Issue 26, September 24, 2025.
The mixing of the elements indium and thallium is investigated for the Na4A6Tl13 structure type (A = Rb, Cs). Providing of indium instantly results in the formation of [In@Tr12]10– (Tr = In, Tl) cluster units. The dissolution behavior in liquid ammonia was investigated as well as DFT calculations are carried out to elucidate the bonding situation ...
Melissa Janesch, Antti J. Karttunen, Stefanie Gärtner   +2 more
wiley   +1 more source

Advances in MXene‐Based Electronics via Surface and Structural Redesigning and Beyond

Advanced Electronic Materials, Volume 11, Issue 14, September 4, 2025.
Herein, various MXenes surface and structural engineering strategies such as termination control, doping, interlayer design, and heterostructures are reviewed for advanced electronics applications. We discuss how these approaches optimize conductivity, work function, and device integration, enabling breakthroughs in transistors, photodetectors, and ...
Adnan Younis, Edvin Idrisov, Saleh Thaker, Fathalla Hamed, El Hadi Sadki, Muhammad Zafar Iqbal, Tariq Mahmood, Babar Shabbir, Qiaoliang Bao   +8 more
wiley   +1 more source

Recubrimientos protectores para componentes de turbinas de aviación y de generación de energía depositados por proyección por plasma

Boletín de la Sociedad Española de Cerámica y Vidrio, 2000
Coatings produced by aluminium diffusion, called aluminide are employed to increase the oxidation and corrosion resistance, increasing the life of Ni and Co base superalloys components at temperatures comprised between 900 and 1050ºC.
Agüero Bruna, A., Álvarez Alba, J., García de Blas Villanueva, F. J., Valles González, P.   +3 more
doaj  

The Ni-Al-Hf Multiphase Diffusion

Archives of Metallurgy and Materials, 2016
The generalized Darken method was applied to simulate the diffusion between γ-Ni| γ’-Ni3Al and γ’-Ni3Al|β-NiAl interfaces. The results of calculations were compared with the experimental concentration’s profiles of nickel, aluminum and hafnium in ...
Romanowska J., Wierzba B., Markowski J., Zagula-Yavorska M., Sieniawski J.   +4 more
doaj   +1 more source

Microstructure Evolution and Mechanical Properties of Spark Plasma Sintered Manganese Addition on Ti-48Al-2Cr-2Nb Alloys

Metals, 2020
Titanium aluminide (TiAl) is one of the most promising materials for aerospace applications. It is a suitable replacement for nickel-based superalloys predominantly used in these applications.
A. Raja Annamalai, Muthe Srikanth, Raunak Varshney, Mehta Yash Ashokkumar, Swarup Kumar Patro, Chun-Ping Jen   +5 more
doaj   +1 more source

Hf6Al7 and Hf4.44(1)Nb1.56(1)Al7—the First Fully Ordered Main Group Metal Containing W6Fe7 Type Compound and its Ternary Coloring Variant

Zeitschrift für anorganische und allgemeine Chemie, Volume 651, Issue 11, July 22, 2025.
Hf4Nb2Al7 and Hf6Al7 were synthesized from the elements and crystallize in the rhombohedral W6Fe7 type structure. Single crystals showed obverse‐reverse twinning. In addition, 27Al NMR investigations, magnetic measurements and quantum‐chemical calculations were conducted. Attempts to synthesize Hf4NbAl7 led to the discovery of nominal Hf4Nb2Al7 instead
Elias C. J. Gießelmann, Lena Ruck, Stefan Engel, Bernd Morgenstern, Lars Schumacher, Guido Kickelbick, Oliver Janka   +6 more
wiley   +1 more source

Production of nanograined intermetallics using high-pressure torsion

Materials Research, 2013
Formation of intermetallics is generally feasible at high temperatures when the lattice diffusion is fast enough to form the ordered phases. This study shows that nanograined intermetallics are formed at a low temperature as 573 K in Al- 25 mol% Ni, Al ...
Ali Alhamidi, Kaveh Edalati, Zenji Horita   +2 more
doaj  

Thermokinetic Modeling Approach for Aluminide Diffusion Coatings on Molybdenum Substrates

Advanced Engineering Materials, Volume 27, Issue 13, July 2025.
The advancement of innovative materials for protective coatings in high‐temperature environments relies on a detailed understanding of diffusion processes within these systems. This article presents findings from modeling approaches, supporting the development and optimization of coating materials by focusing on the prediction of diffusion‐driven ...
Jurica Filipovic, Katharina Beck, Christian Kontermann, Mathias Galetz, Matthias Oechsner   +4 more
wiley   +1 more source

Improving Cyclic Oxidation Resistance of Additively Manufactured IN939 Superalloy via Chemical Vapor Aluminizing

Advanced Engineering Materials, Volume 27, Issue 7, April 2025.
This study investigates the effect of a NiAl coating on additively manufactured (AM) IN939 to improve its cyclic oxidation resistance at 1050 °C. The coating promotes protective α‐Al2O3 formation, allowing durability for up to 240 cycles, while uncoated AM‐IN939 experiences spallation and weight loss due to nonprotective oxides.
Fatih Guler, Ahmet Arda Inceyer, Seda Kol, Metin Usta, Huseyin Aydin, Ozgul Keles   +5 more
wiley   +1 more source

Spark plasma sintering of TiC with TiAly as sintering aid: Mechanisms and microstructures

Open Ceramics
TiC features an interesting combination of mechanical properties, high-temperature resistance, and lightness, making it an excellent candidate for several applications in harsh environments.
Alessandro Rizzi, María García-Fernández, Miguel Á. Rodríguez, Emanuele De Bona, Rodrigo Moreno, Mattia Biesuz   +5 more
doaj   +1 more source