Results 1 to 10 of about 270 (258)
Glow Discharge Boronization and Real-Time Boronization Using an Impurity Powder Dropper in LHD
Nuclear Materials and EnergyIn the Large Helical Device (LHD), boronization is utilized for wall conditioning, employing two distinct methods: glow discharge using diborane gas and the injection of boron powder into the plasma via an impurity powder dropper (IPD).
S. Masuzaki +14 more
exaly +3 more sources
Nuclear Materials and Energy, 2018 Boronization is a Plasma Facing Component (PFC) conditioning technique widely used in tokamak machines. The National Spherical Torus Experiment-Upgrade (NSTX-U) applied this conditioning, using a plasma glow with a deuterated Trimethyl-boron (d-TMB) and ...
F Bedoya, Jean Paul Allain, F Scotti
exaly +3 more sources
Experimental study on metallic impurity behavior with boronization wall conditioning in EAST tokamak
Nuclear Materials and EnergyOperation of EAST tokamak with full metal wall without any wall conditioning are attempted in 2023 and 2024 experimental campaign to address the issues related to ITER tungsten wall operation. It is found that H-mode plasma could be sustained even with a
Ailan Hu, Yunxin Cheng, Wenmin Zhang
exaly +3 more sources
Advances in boronization on NSTX-Upgrade
Nuclear Materials and Energy, 2017 Boronization has been effective in reducing plasma impurities and enabling access to higher density, higher confinement plasmas in many magnetic fusion devices. The National Spherical Torus eXperiment, NSTX, has recently undergone a major upgrade to NSTX-
C H Skinner, F Bedoya, F Scotti
exaly +3 more sources
Osseointegration potential of boron-coated titanium alloy pedicle screw in rabbit spine model [PDF]
BMC Musculoskeletal DisordersBackground Spinal implants’ longevity is crucial, but titanium alloys, while advantageous, lack strong bone integration. This study aimed to achieve better osseointegration rates by utilizing the ability of boron compounds to transform stem cells in the ...
Hidir Ozer +6 more
doaj +2 more sources
Deuterium retention behaviors of boronization films at DIII-D divertor surface
Nuclear Materials and EnergyBoron coating of plasma-facing components (PFCs) is widely used in fusion devices to form surface coatings and chemical compounds on the PFCs, thus suppressing plasma contamination by impurities such as oxygen, carbon, and tungsten.
Shota Abe +10 more
exaly +3 more sources
Global modeling of wall material migration following boronization in NSTX-U
Nuclear Materials and Energy, 2019 Boronization is commonly utilized in tokamaks to suppress intrinsic impurities, most notably oxygen from residual water vapor. However, this is a temporary solution, as oxygen levels typically return to pre-boronization levels following repeated plasma ...
J.H. Nichols +6 more
doaj +1 more source
Nuclear Materials and Energy, 2019 In ASDEX Upgrade with full-tungsten wall, boronization is an important tool to control tungsten sources and allow reliable operation at low collisionality. The duration of the beneficial effects is limited by the erosion of the boron layer, in particular
A. Bortolon +12 more
doaj +1 more source
Frontiers in Physics, 2022 The molecular dynamics code LAMMPS was used to simulate the bombardment of a graphite structure by atomic boron with impact energies ranging from 50–250 eV.
Aaditya Rau +4 more
doaj +1 more source
Nuclear Materials and Energy, 2017 An innovative PFC diagnostic, the Materials Analysis Particle Probe (MAPP) was used to study the chemistry of Plasma Facing Components (PFCs) in the National Spherical Tokamak Experiment Upgrade (NSTX-U). NSTX-U used boronization as conditioning strategy
F. Bedoya +5 more
doaj +1 more source