Results 291 to 300 of about 158,076 (358)

Bond strength and interfacial analysis of six CoCr alloys made by conventional casting and selective laser melting

Journal of Prosthodontics, EarlyView.
Abstract Purpose To investigate the effects of the elemental composition and the manufacturing process of cobalt chromium–molybdenum (CoCr–Mo), cobalt chromium–tungsten (CoCr–W), and CoCr–Mo‐W alloys on metal–ceramic bond strength. Materials and Methods Six CoCr‐based alloys were included in this study, a were classified into three different groups ...
Youssef S. Al Jabbari, Konstantinos Dimitriadis, Aref Sufyan, Spiros Zinelis   +3 more
wiley   +1 more source

Molecular precursor pathway to Co1−xNixNb2O6 for photocatalytic dye degradation: Optical and charge transport studies

Journal of the American Ceramic Society, Volume 108, Issue 7, July 2025.
The (micro)structure, morphology, optical, photocatalytic, electrical and dielectric properties of mixed metal oxides CoNb2O6, NiNb2O6 and Co0.5Ni0.5Nb2O6, prepared through a modified single‐source molecular precursor route, were investigated. Abstract A new approach for the formation of binary and ternary mixed metal oxides, namely, CoNb2O6, NiNb2O6 ...
Ana Lozančić, Martina Vrankić, Marta Razum, Luka Pavić, Lidija Androš Dubraja, Marijana Jurić   +5 more
wiley   +1 more source

Strength enhancement strategies in brazing Ti alloys to non‐oxide ceramics: An overview of Ti–6Al–4V/Si3N4 joints

Journal of the American Ceramic Society, Volume 108, Issue 6, June 2025.
The growing demand for large, complex aerospace structures that are lightweight and heat resistant has driven the integration of Ti alloys and non‐oxide ceramics to overcome the limitations of each material when used alone, with brazing using Ag–Cu‐based fillers as a key joining method.
Fei Shen Ong, Hirobumi Tobe, Eiichi Sato
wiley   +1 more source

The Role of Lithium Ions on the Solubility of K4E4 in Ethylenediamine and the Oxidation of the Zintl Anions [E4]4− (E = Ge, Sn, Pb) as well as [Ge9]4−

Chemistry – A European Journal, Volume 31, Issue 26, May 8, 2025.
The solubility of K4Ge4, K4Sn4, and K4Pb4 phases and oxidation of comprised four‐atom clusters in ethylenediamine (en) is induced by the addition of LiCl. The 119Sn NMR spectra of [Sn9]4− with Li+ and K+ counterions indicate a cation‐dependent change in both the chemical shift and coupling constant, strongly suggesting K+/[Sn9]4− ion pairing, which is ...
Christian E. Fajman, Dominik M. Dankert, Wilhelm Klein, Thomas F. Fässler   +3 more
wiley   +1 more source

Molecular Rectangles Featuring Two Parallel NCN‐Coordinated Platinum Units: Enhancing Near‐Infrared Emission Through Excimer Formation

Chemistry – A European Journal, Volume 31, Issue 26, May 8, 2025.
Macro‐cycling into the near‐infrared: By incorporating two cyclometallated Pt(II) units into opposite sides of a molecular rectangle, the formation of near‐infrared‐emitting excited states that span the two units is promoted in solution, compared to the corresponding, acyclic, tweezer‐like complexes. A degree of molecular reorganization is nevertheless
Rebecca J. Salthouse, Amit Sil, Piotr Pander, Fernando B. Dias, J. A. Gareth Williams   +4 more
wiley   +1 more source

High‐Entropy Halides for Intercalation Battery Electrode Materials

ChemElectroChem, Volume 12, Issue 9, May 5, 2025.
The introduction of the high‐entropy concept to oxides has resulted in improvements in electrochemical properties, which have also been recently applied to fluorides. This concept is a perspective of the fundamentals of high‐entropy concept applying to halides in general.
Sebastian Schumacher, Evgeny V. Alekseev, Shicheng Yu, Hermann Tempel, Rüdiger‐A. Eichel   +4 more
wiley   +1 more source

Impact of Surface Roughness on the Yield Drop of Hot‐Rolled AZX311 Mg Alloy

Advanced Engineering Materials, Volume 27, Issue 9, May 2025.
Rough‐surfaced AZX311 Mg alloy samples have significantly lower yield strength than polished ones due to stress concentrators forming at V‐notch irregularities. Surface profilometry confirms higher Ra values for rough samples. Highest hardness values were observed near scratched surfaces, indicating strain localization effects near the rough surface ...
Hafiz Muhammad Rehan Tariq, Hyun‐Hak Kang, Umer Masood Chaudry, Muhammad Kashif Khan, Tea‐Sung Jun   +4 more
wiley   +1 more source

Partitioning and Coarsening Dynamics of Precipitate‐Strengthened Cr‐Si Alloys: The Role of Ge, Pt, and Mo

Advanced Engineering Materials, Volume 27, Issue 9, May 2025.
The microstructure of Cr‐rich Cr‐Si‐alloys is maintained by alloying with Ge, Pt, and Mo. The effects of these elements on A15‐phase fraction, partitioning, microstructural stability, grain size, and hardness are combinable. Molybdenum is found to be the most promising alloying element for microstructural stability during high‐temperature exposure.
Anke Silvia Ulrich, Petra Pfizenmaier, Michael Kerbstadt, Lucas Pelchen, Ali Solimani, Uwe Glatzel, Mathias Christian Galetz   +6 more
wiley   +1 more source

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Intermetallic Single-Atom Alloy In-Pd Bimetallene for Neutral Electrosynthesis of Ammonia from Nitrate.

Journal of the American Chemical Society, 2023
Harvesting recyclable ammonia (NH3) from the electrocatalytic reduction of nitrate (NO3RR) offers a sustainable strategy to close the ecological nitrogen cycle from nitration contamination in an energy-efficient and environmentally friendly manner.
Minghao Xie, Sishuang Tang, Zhao Li, Maoyu Wang, Zhaoyu Jin, Panpan Li, X. Zhan, Hua Zhou, Guihua Yu   +8 more
semanticscholar   +1 more source

Ordering‐Dependent Hydrogen Evolution and Oxygen Reduction Electrocatalysis of High‐Entropy Intermetallic Pt4FeCoCuNi

Advances in Materials, 2023
Disordered solid‐solution high‐entropy alloys have attracted wide research attention as robust electrocatalysts. In comparison, ordered high‐entropy intermetallics have been hardly explored and the effects of the degree of chemical ordering on catalytic ...
Yong Wang, N. Gong, Hongfei Liu, Wei-chao Ma, Kedar Hippalgaonkar, Zhen Liu, Yizhong Huang   +6 more
semanticscholar   +1 more source