Results 11 to 20 of about 34,106 (228)

The Process and Mechanism of Preparing Nanoporous Silicon: Helium Ion Implantation

Nanomaterials, 2023
Ion implantation is an effective way to control performance in semiconductor technology. In this paper, the fabrication of 1~5 nm porous silicon by helium ion implantation was systemically studied, and the growth mechanism and regulation mechanism of ...
Jianguang Wang, Kelin Zhu, Xiaoling Wu, Guoan Cheng, Ruiting Zheng   +4 more
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Effects of transition metal carbide dispersoids on helium bubble formation in dispersion-strengthened tungsten

Scientific Reports, 2023
The formation of helium bubbles and subsequent property degradation poses a significant challenge to tungsten as a plasma-facing material in future long-pulse plasma-burning fusion reactors.
Ashrakat Saefan, Xingyu Liu, Eric Lang, Levko Higgins, Yongqiang Wang, Osman El-Atwani, Jean Paul Allain, Xing Wang   +7 more
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ATOMIC SPECTRA IN A HELIUM BUBBLE [PDF]

Clustering Aspects of Quantum Many-Body Systems, 2002
4 pages, 1 figures, Talk at the International symposium on "Clustering Aspects of Quantum Many-Body Systems" (POSTYK01), November 12-14, 2001, Kyoto ...
Nakatsukasa, Takashi, Yabana, Kazuhiro, Bertsch, George F   +2 more
openaire   +2 more sources

Temperature effect of irradiation hardening behavior of 316L stainless steel by additive manufacturing

He jishu, 2022
BackgroundThe additive manufacturing (AM) technology is expected to apply to the field of advanced nuclear energy because of its unrivalled design freedom and short lead times.
FU Chonglong, LI Jianjian, BAI Juju, LIN Jun   +3 more
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Investigation on the deformation mechanisms and size-dependent hardening effect of He bubbles in 84 dpa neutron irradiated Inconel X-750

Nuclear Materials and Energy, 2021
Microstructural characterization and calculation of how several intrinsic features contribute to the mechanical properties of highly strained Inconel X-750 alloy specimens irradiated to 84 dpa at two distinct temperature ranges (300 °C–330 °C and 120 °C ...
Qiang Wang, Colin D. Judge, Cameron Howard, Mitchell Mattucci, Heygaan Rajakumar, Seanna Hoendermis, Chris Dixon, Mark R. Daymond, Grant Bickel   +8 more
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Helium desorption behavior and growth mechanism of helium bubbles in FeCrNi film

Nuclear Materials and Energy, 2019
He-charged FeCrNi films were prepared by radio frequency (RF) magnetron sputtering technique, and helium desorption behavior, growth process and evolution mechanism of helium bubbles in FeCrNi film were studied by thermal desorption spectroscopy (TDS ...
L. Wang, X.P. Wang, L.F. Zhang, Y.X. Gao, R. Liu, R. Gao, Y. Jiang, T. Hao, T. Zhang, Q.F. Fang, C.S. Liu   +10 more
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Helium bubble formation in ultrafine and nanocrystalline tungsten under different extreme conditions [PDF]

, 2015
We have investigated the effects of helium ion irradiation energy and sample temperature on the performance of grain boundaries as helium sinks in ultrafine grained and nanocrystalline tungsten.
A. Hassanein, Allain, Amano, Bai, Baldwin, Balluffi, Caspers, Dausinger, Debelle, Delafond, Efe, El-Atwani, El-Atwani, Eleveld, Evans, Federici, Fichtner, Finnis, G. Greaves, Hattar, Hattar, Iwakiri, J.A. Hinks, Jung, K. Hattar, Kajita, Kajita, Lee, Lipschultz, Minyou, Niwase, O. El-Atwani, Olieviero, Oliviero, S.S. Harilal, Samaras, Scott, Sefta, Shen, Shu, Singh, Singh, Sun, Trinkaus, Ullmaier, Wagner, Wei, Wei, Ziegler   +48 more
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Microstructural Evolution and the Irradiation Sensitivity of Different Phases of a High Nb-Containing TiAl Alloy under He Ions Implantation at Room- and Elevated Temperatures

Metals, 2022
A high Nb-containing TiAl alloy Ti-45Al-8.5Nb-(W, B, Y) with nearly lamellar microstructure has been irradiated by 200 kV He2+ to a fluence of 1 × 1021 ions/m2 with a dose of about 1.1 dpa at 298 K and 773 K in this work.
Zeen Wu, Tiebang Zhang, Fan Zhang, Rui Hu, Xiaoye Wang   +4 more
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Void Nucleation, Growth, and Coalescence in Irradiated Metals [PDF]

, 2008
A novel computational treatment of dense, stiff, coupled reaction rate equations is introduced to study the nucleation, growth, and possible coalescence of cavities during neutron irradiation of metals.
Sturgeon, Jess B., Surh, Michael P., Wolfer, Wilhelm G.   +2 more
core   +1 more source

Molecular Dynamics Study of Helium Bubble Coalescence in Tungsten

Yuanzineng kexue jishu, 2022
In Tokamak fusion devices, tungsten divertor will be bombarded with low-energy high-flux helium ions, resulting in the formation of fuzzy nanostructures or pinhole-like surface damage on tungsten surface, which degrades the tungsten material properties ...
XU Yang;YANG Zhangcan
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