Results 61 to 70 of about 6,087 (261)

Precise control of atomization initial stage to address nozzle clogging issue in the vacuum induction-melting gas atomization process

Journal of Materials Research and Technology
Vacuum induction-melting gas atomization (VIGA) is considered a widely applied method to prepare metal powders. However, the nozzle clogging problem in the VIGA process seriously affects the continuity of production and greatly increases the economic and
Junfeng Wang, Min Xia, Jialun Wu, Xian Jian, Changchun Ge   +4 more
doaj   +1 more source

Itinerant Ferromagnetism in an Ultracold Atom Fermi Gas [PDF]

Physical Review Letters, 2005
4 pages, 3 ...
Duine, R. A., MacDonald, A. H.
openaire   +3 more sources

Influence of Scan Strategies in Electron Beam Powder Bed Fusion on Solidification, Microstructure, and High‐Temperature Compressive Properties of γ′‐Strengthened Inconel 738LC

Advanced Engineering Materials, EarlyView.
Experiments and thermophysical simulations were conducted to investigate the electron beam powder bed fusion electron beam (PBF‐EB/M) process for the γ′‐strengthened nickel‐based superalloy Inconel 738LC. The results demonstrate the impact of process‐induced microstructural variations on high‐temperature mechanical behavior, providing a basis for ...
Jan Niklas Petenati, Karthik Kumar Banku, Prasanth Bondi, Ivan Zhirnov, Yangyiwei Yang, Gordon Schmidt, Jürgen Christen, Georg Hasemann, Manja Krüger, Bai‐Xiang Xu, Bilal Gökce, Silja‐Katharina Rittinghaus   +11 more
wiley   +1 more source

PSV Experimental Study on Supersonic Shock Atomization Nozzle for Gas Well

Shiyou jixie, 2019
"Liquid accumulation in gas well" could be observed in the natural gas well production. According to the principle of supersonic shock atomization technology, the particle shadow velocimetry (PSV) is used to compare and analyze the atomization ...
Qiu Xiaoning, Li Jun, Liang Hongmei, Zhang Yajing, Wu Guanghai, Mei Di   +5 more
doaj  

External and Internal Cracking Caused by Heat Treatment in Laser Powder Bed Fusion‐Fabricated Inconel 738LC Components

Advanced Engineering Materials, EarlyView.
Manufacturing problems such as heat treatment‐induced cracking hinder the widespread application of the laser powder bed fusion (LPBF) process to superalloys. In this study, cracks in the LPBF components of Inconel 738LC superalloy are characterized after heat treatment at various temperature ranges, revealing two distinct cracking behaviors.
Kosuke Kuwabara, Masahiro Kusano, Ayako Ikeda, Toshio Osada, Makoto Watanabe   +4 more
wiley   +1 more source

Atomization of Liquid Jet in Supersonic Crossflow with Gas Throttling at Different Positions

气体物理
Gas throttling effectively reduces scramjet combustion chamber gas velocity via aerodynamic blockage, improving liquid fuel penetration and atomization.
Zun CAI, Pengquan XIAN, Yaozhi ZHOU, Zihang CHEN, Taiyu WANG, Mingbo SUN   +5 more
doaj   +1 more source

Effect of the two-phase hybrid mode of effervescent atomizer on the atomization characteristics

Open Physics, 2019
In this paper, the atomization characteristics of an effervescent atomizer were investigated. The velocity, Sauter Mean Diameter (SMD) and atomization cone angle of the droplets were measured using the Phase Doppler Analyzer (PDA) to discuss the effect ...
Liu Liansheng, Pei Na, Zhao Ruolin, Tian Liang, Duan Runze, Zhang Yan, Li Menghan, Zhang Xiaoyu   +7 more
doaj   +1 more source

The Influence of Field‐Assisted Sintering Technology (FAST) Temperature and Cooling Rate on the Microstructural Evolution in Gamma‐Titanium Aluminide Alloy GE4822

Advanced Engineering Materials, EarlyView.
Controlling the Field Assisted Sintering Technology (FAST) parameters, dwell temperature and cooling rate, significantly influences the microstructural evolution in titanium aluminide GE4822. Significant γ‐lamellar colonies develop only upon cooling through the α‐transus.
Jack Krohn, James Pepper, Martin Jackson
wiley   +1 more source

Microstructure Modification of Additively Manufactured Mo–9Si–8B by Annealing and Its Effects on High‐Temperature Mechanical Properties

Advanced Engineering Materials, EarlyView.
Postbuild annealing systematically modifies the phase fractions and morphology of EB‐PBF processed Mo–9Si–8B. Quantitative microstructure–property correlations reveal how controlled phase evolution enhances high‐temperature compressive strength and creep resistance.
Christopher Schmidt, Yong Chen, Georg Hasemann, Benjamin Wahlmann, Carolin Körner, Manja Krüger   +5 more
wiley   +1 more source

Printed Integrated Logic Circuits Based on Chitosan‐Gated Organic Transistors for Future Edible Systems

Advanced Functional Materials, EarlyView.
Edible electronics needs integrated logic circuits for computation and control. This work presents a potentially edible printed chitosan‐gated transistor with a design optimized for integration in circuits. Its implementation in integrated logic gates and circuits operating at low voltage (0.7 V) is demonstrated, as well as the compatibility with an ...
Giulia Coco, Valerio Francesco Annese, Valerio Galli, Ilaria Penna, Debora Russo, Marina Veronesi, Rita Scarpelli, Stefania Sabella, Mario Caironi   +8 more
wiley   +1 more source