Results 1 to 10 of about 12,134 (117)

Breakup process modeling and production of FeSiAl magnetic powders by close-coupled gas atomization

Journal of Materials Research and Technology, 2023
Close-coupled gas atomization is extensively used in the industrial production of alloy powders due to the advantages of high efficiency, low cost and excellent powder properties.
Pu Wang, Jiaqi Liu, Yannan Dong, Zhengqu Zhu, Jing Pang, Jiaquan Zhang   +5 more
doaj   +3 more sources

Investigation on close-coupled gas atomization for Fe-based amorphous powder production via simulation and industrial trials: Part II. Particle flight and cooling during secondary atomization

Journal of Materials Research and Technology, 2023
A two-way coupling Discrete Phase Model (DPM) is applied to calculate the secondary atomization process. The particle flight and cooling processes are studied under different process parameters.
Pu Wang, Jiaqi Liu, Yannan Dong, Huan Zhao, Jing Pang, Jiaquan Zhang   +5 more
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Investigation on close-coupled gas atomization for Fe-based amorphous powder production via simulation and industrial trials: Part I. Melt breakup behaviors during primary atomization

Journal of Materials Research and Technology, 2023
The primary atomization process is simulated by Volume of Fluid (VOF) model and dynamic adaptive mesh method. The influence of melt mass flow rate and atomization pressure on the breakup process is investigated, and the effect of hot gas atomization is ...
Jiaqi Liu, Pu Wang, Yannan Dong, Huan Zhao, Jing Pang, Jiaquan Zhang   +5 more
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Thermal spraying NiCrAlY alloy powders prepared by close-coupled gas atomization

Fenmo yejin jishu, 2023
NiCrAlY alloy powders used for the thermal spraying were fabricated by the closed-coupled gas atomization technology. The physical properties, particle size distribution, powder morphology, internal microstructure, and phase composition of the NiCrAlY ...
WANG Jun, ZHOU Xin, DU Zhong, ZHAO Hongchun, ZHANG Baohong, XIONG Ning   +5 more
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Influence of nozzle gas inlets on properties of GTD222 superalloy powders for additive manufacturing

Fenmo yejin jishu, 2021
The GTD222 superalloy powders for the additive manufacturing were prepared by the vacuum inert gas atomization (VIGA) with the close-coupled nozzle system in this paper.
WU Kai-qi, LU Lin, WU Weng-heng, ZHANG Liang, WANG Tao, YANG Qi-yun, NI Xiao-qing, XU Jiong-kai, JIANG Ding-ding   +8 more
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Evaluation of a Mathematical Model Based on Lubanska Equation to Predict Particle Size for Close-Coupled Gas Atomization of 316L Stainless Steel

Materials Research, 2022
Close-Coupled Gas Atomization (CCGA) is often used to produce spherical metal powders with a wider Particle Size Distribution (PSD) (10 – 500 µm) compared to that required by the main Additive Manufacturing processes (10 – 105 µm).
Flávia Costa da Silva, Moysés Leite de Lima, Giovanna Fiocco Colombo   +2 more
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Generation of Hydrogen through the Hydrolysis of Gas Atomized High Purity Mg Powder

Medžiagotyra, 2022
Generating hydrogen through hydrolysis of metal magnesium with water is a very promising strategy for portable applications because it is clean, has high energy density and operability.
Zhi LU, Zhihao ZHOU, Osaka AKIYOSHI, Guangxin WANG, Jiefeng WANG, Panpan ZANG, Kejian WANG, Junmei HAN, Cong CHEN, Menghui CHEN   +9 more
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Understanding the breakup behaviors of liquid jet in gas atomization for powder production

Materials & Design, 2023
Gas atomization (GA) is the main method to produce metal powders for additive manufacturing (AM) because of its low cost and high efficiency. However, the liquid breakup behaviors in high-speed gas flow during GA remains unclear, especially the primary ...
Sheng Luo, Yu Ouyang, Qianglong Wei, Shuyue Lai, Yi Wu, Haowei Wang, Hongze Wang   +6 more
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Gas Atomization of Aluminium Melts: Comparison of Analytical Models

Metals, 2012
A number of analytical models predicting the size distribution of particles during atomization of Al-based alloys by N2, He and Ar gases were compared.
Georgios Antipas
doaj   +1 more source

Melt Damage and Prevention of Gas Nozzle Tip in Close-Coupled Gas Atomization

J
Gas atomization is one method for producing fine metal powder. In close-coupled gas atomization, a high-speed gas jet is ejected near the molten metal, and the molten metal is further broken down in the shear layer at the outer edge of the jet, producing
Nazuku Kato, Tetsuji Ohmura, Takeshi Maruyama, Yukitaka Hamada, Toshihiko Shakouchi   +4 more
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