Radiation-induced helium bubbles in metals
Helium (He) bubbles are typical radiation defects in structural materials in nuclear reactors
after high dose energetic particle irradiation. In the past decades, extensive studies have …
after high dose energetic particle irradiation. In the past decades, extensive studies have …
A micropillar compression investigation into the plastic flow properties of additively manufactured alloys
Solidification cells and a high density of dislocations are two common features of additively
manufactured (AM) alloys that are processed using techniques such as laser powder bed …
manufactured (AM) alloys that are processed using techniques such as laser powder bed …
Helium irradiation-induced ultrahigh hardening in niobium
JT Li, IJ Beyerlein, WZ Han - Acta Materialia, 2022 - Elsevier
In this work, using in-situ uniaxial tensile and compressive testing, microscopy, and
theoretical analysis, we study the mechanism underlying the ultrahigh irradiation hardening …
theoretical analysis, we study the mechanism underlying the ultrahigh irradiation hardening …
Role of low-level void swelling on plasticity and failure in a 33 dpa neutron-irradiated 304 stainless steel
Radiation damage introduces a wide range of defects in structural materials depending on
the irradiation conditions. Irradiation-induced loops are known to lead to dislocation …
the irradiation conditions. Irradiation-induced loops are known to lead to dislocation …
Atomic-scale hidden point-defect complexes induce ultrahigh-irradiation hardening in tungsten
Tungsten displays high strength in extreme temperature and radiation environments and is
considered a promising plasma facing material for fusion nuclear reactors. Unlike other …
considered a promising plasma facing material for fusion nuclear reactors. Unlike other …
Large-scale potassium-doped tungsten alloy with superior recrystallization resistance, ductility and strength induced by potassium bubbles
X Ma, X Zhang, T Wang, S Lang, W Lv, Y Wang… - Journal of Nuclear …, 2022 - Elsevier
Potassium-doped tungsten (KW) plate with a weight of 25 kg was prepared by hot rolling.
Subsequently, part of the KW suffered annealing at 1600, 1800° C for 0.5 h. For the rolled …
Subsequently, part of the KW suffered annealing at 1600, 1800° C for 0.5 h. For the rolled …
In situ micro-pillar compression to examine radiation-induced hardening mechanisms of FeCrAl alloys
Abstract The effects of 5 MeV Fe 2+ ion irradiation at 300° C on the microstructure evolution
and deformation behavior of a FeCrAl C26M alloy are presented. It has been found that …
and deformation behavior of a FeCrAl C26M alloy are presented. It has been found that …
Comparative study of radiation defects in ion irradiated bulk and thin-foil tungsten
RY Zheng, WZ Han - Acta Materialia, 2020 - Elsevier
In this study, we employ transmission electron microscope (TEM) to analyze radiation
defects in helium (He) and krypton (Kr) ions implanted bulk and thin-foil tungsten. For bulk …
defects in helium (He) and krypton (Kr) ions implanted bulk and thin-foil tungsten. For bulk …
Effects of helium cavity size and morphology on the strength of pure titanium
High-purity α-titanium was implanted with helium to observe cavity morphology–size,
number density, and form (ie, bubbles vs. voids)–effects on materials strength. Increasing …
number density, and form (ie, bubbles vs. voids)–effects on materials strength. Increasing …
Micropillar compression investigation on the mechanical behavior of Ni manufactured using laser powder bed fusion
Micropillar compression tests were performed on unalloyed Ni that was manufactured using
the additive manufacturing (AM) technique of laser powder bed fusion (LPBF) with …
the additive manufacturing (AM) technique of laser powder bed fusion (LPBF) with …