Results 41 to 50 of about 923 (213)

Investigating the Low‐Temperature Phase Stability of the Binary Ta–W System

Advanced Engineering Materials, EarlyView.
Atomistic simulations show that the binary Ta–W system forms ordered intermetallic phases, B2‐TaW and D03‐TaW3, as 0 K ground states. Configurational entropy, however, lowers the free energy of the disordered bcc solid solution, which becomes the stable phase above about 400 K.
Klemens Lechner, Anna Sophie Jelinek, Velislava Terziyska, Peter Wagatha, Wolfram Knabl, Christian Mitterer, Helmut Clemens, David Holec   +7 more
wiley   +1 more source

Reproducible electrochemical etching for plasmonic silver tip fabrication using a fast cut-off circuit [PDF]

AIP Advances
Plasmonic tips are a critical determinant of the performance of tip-enhanced Raman spectroscopy (TERS), making the reliable fabrication of tips with high enhancement factors an enduring challenge.
Jonggeun Hwang, Wonho Jhe
doaj   +1 more source

Effects of Mg on Microstructure and Solidification of a Hypereutectic Zn–8 wt.%Al Alloy

Advanced Engineering Materials, EarlyView.
An appreciable set of results involving thermal data, microstructure, chemical composition, and microstructural growth laws is reported for ZnAlMg alloys. Such results demonstrate that ZnAlMg alloys have high potential for applications in automotive self‐lubricating components, batteries, and electrical systems.
Raí B. de Sousa, Jeverton L. Paixão, Daylla S. Silva, Bruno S. Sobral, Mucio D. de Medeiros, José E. Spinelli, Bismarck L. Silva   +6 more
wiley   +1 more source

The Role of Ultra‐Thin Passive Films and Organic Adsorbates on Aluminum Chips for a Friction‐Induced Solid‐State Recycling Process

Advanced Engineering Materials, EarlyView.
Despite benefits to storage stability and handleability of aluminum scrap, octadecyl phosphonic acid (ODPA) SAMs reduce the tensile strength of wires produced using friction‐induced recycling. Etching and methyl diphosphonic acid (MDPA) coatings, however, have little effect.
Timothy D. Goller, Steffen Gabsa, Werner Homberg, Guido Grundmeier   +3 more
wiley   +1 more source

Experimental study of inductively coupled plasma etching of patterned single crystal diamonds

Scientific Reports
In this study, the inductively coupled plasma (ICP) etching process for patterning single-crystal diamond was experimentally investigated using O₂/Ar as the etching gas.
Lei Zhao, Xiangbing Wang, Nan Jiang, Kazhihito Nishimura, Jian Yi, Shuangquan Fang   +5 more
doaj   +1 more source

Thermal Cycle–Microstructure–Property Relationships in Rail Steel Heat‐Affected Zone Simulated by Gleeble

Advanced Engineering Materials, EarlyView.
Microstructural evolution of premium rail steel during flash butt welding (FBW), comparing physically simulated heat‐affected zones with actual weld regions. Thermal cycles induce phase transformations and microstructural heterogeneity that influence weld quality and mechanical performance. These findings provide insights into optimizing FBW parameters
Emmanoelle Cintra da Cunha Araújo, João Marcos da Silva Nunes, Marcelly Cristiny Nunes de Carvalho, Alex Rojas, Cristie Luis Kugelmeier, Cristhian Ricardo Loayza Loayza, João Carlos Ferreira, Maria Veronica Goncalves Rodrigues, Rute Sayuri Kano, Isaac Araújo Furtado, Jacyara Dalylla da Silva Nunes, Jhonatan Peres de Sousa, Marcos Natan da Silva Lima, Eden Santos Silva, Gedeon Silva Reis, Samuel Filgueiras Rodrigues   +15 more
wiley   +1 more source

Improvement of Etching Anisotropy in Fused Silica by Double-Pulse Fabrication

Micromachines, 2020
Femtosecond laser-induced selective etching (FLISE) is a promising technology for fabrication of a wide range of optical, mechanical and microfluidic devices.
Valdemar Stankevič, Jonas Karosas, Gediminas Račiukaitis, Paulius Gečys   +3 more
doaj   +1 more source

Biomass Native Structure Into Functional Carbon‐Based Catalysts for Fenton‐Like Reactions

Advanced Functional Materials, EarlyView.
This study indicates that eight biomasses with 2D flaky and 1D acicular structures influence surface O types, morphology, defects, N doping, sp2 C, and Co nanoparticles loading in three series of carbon, N‐doped carbon, and cobalt/graphitic carbon. This work identifies how these structural factors impact catalytic pathways, enhancing selective electron
Wenjie Tian, Jingkai Lin, Zhihao Tian, Selusiwe Ncube, Huayang Zhang, Emiliano Cortés, Hongqi Sun, Shaobin Wang   +7 more
wiley   +1 more source

Parameter-Variable Experiments for Conductivity of Acid Etched Fractures

IOP Conference Series: Earth and Environmental Science, 2020
AbstractConductivity of acid etched fractures is the decisive factor of results of acidizing treatment. At present, tests for etched fracture conductivity are in all cases executed using fresh acid under fixed experimental conditions, which determines that the test results can only capture fracture conductivity of the near-wellbore zone.
He Chun Ming, Duan Gui Fu, Cai Jun, Wang Xiao Chao, Wu Gang   +4 more
openaire   +1 more source

Evaluation of SB effect onto eutectic SI changes and mechanical properties in an 4xxx AL cast alloys series

Production Engineering Archives, 2014
The purpose of this article is to examine the effect of modifier based on AlSb10 on the structure and mechanical properties of the AlSi7Mg0.3 and AlSi6Cu4 cast alloys.
Lenka Hurtalová, Eva Tillová, Mária Chalupová, Mária Farkašová   +3 more
doaj