Medium-energy proton irradiation of fullerene films: polymerization, damage and magnetism

2005 ◽  
Author(s):  
K. - H. Han
Keyword(s):  
Proton Irradiation ◽  
Medium Energy ◽  
Energy Proton

Simulation by medium energy proton irradiation

1985 ◽  
Vol 133-134 ◽  
pp. 58-63 ◽  
Author(s):  
W.V. Green ◽  
M.P. Victoria ◽  
S.L. Green
Keyword(s):  
Proton Irradiation ◽  
Medium Energy ◽  
Energy Proton

Field-assisted sodium migration in glasses during medium-energy proton irradiation

1982 ◽  
Vol 15 (27) ◽  
pp. 5623-5627 ◽  
Author(s):  
G Battaglin ◽  
G Della Mea ◽  
G De Marchi ◽  
P Mazzoldi ◽  
A Miotello ◽  
...  
Keyword(s):  
Proton Irradiation ◽  
Medium Energy ◽  
Energy Proton

50: Radiograaff: a medium energy proton irradiation platform for radiobiological studies. Presentation and first results

2014 ◽  
Vol 110 ◽  
pp. S25-S26
Author(s):  
D. Dauvergne ◽  
J. Constanzo ◽  
M. Fallavier ◽  
G. Alphonse ◽  
P. Battiston-Montagne ◽  
...  
Keyword(s):  
Proton Irradiation ◽  
Medium Energy ◽  
Energy Proton ◽  
First Results

The Production of 52Fe by Means of a Medium Energy Proton Accelerator

1990 ◽  
Vol 50 (1-2) ◽  
Author(s):  
Peter Smith-Jones ◽  
Rolf Schwarzbach ◽  
Regin Weinreich
Keyword(s):  
Proton Accelerator ◽  
Medium Energy ◽  
Energy Proton

Luminescence in SiO2 induced by MeV energy proton irradiation

2004 ◽  
Vol 329-333 ◽  
pp. 1507-1510 ◽  
Author(s):  
S Nagata ◽  
S Yamamoto ◽  
K Toh ◽  
B Tsuchiya ◽  
N Ohtsu ◽  
...  
Keyword(s):  
Proton Irradiation ◽  
Energy Proton

Measurements of Displacement Cross Section of Tungsten under 389-MeV Proton Irradiation and Thermal Damage Recovery

2021 ◽  
Vol 1024 ◽  
pp. 95-101
Author(s):  
Yosuke Iwamoto ◽  
Makoto Yoshida ◽  
Hiroki Matsuda ◽  
Shin Ichiro Meigo ◽  
Daiki Satoh ◽  
...  
Keyword(s):  
Cross Section ◽  
Cross Sections ◽  
Thermal Conduction ◽  
Thermal Damage ◽  
Proton Irradiation ◽  
High Energy ◽  
Wire Sample ◽  
Energy Proton ◽  
Measured Displacement ◽  
Mev Protons

For validating the number of displacements per atom (dpa) for tungsten under high-energy proton irradiation, we measured displacement cross sections related to defect-induced electrical resistivity changes in a tungsten wire sample under irradiation with 389-MeV protons under 10 K. The Gifford–McMahon cryocooler was used to cool the sample using a conductive coolant via thermal conduction plates of oxygen-free high-conductivity copper and electrical insulation sheets of aluminum nitride ceramic. In this experiment, the displacement cross section was 1612 ± 371 b for tungsten at 389 MeV. A comparison of the experimental displacement cross sections of tungsten with the calculated results obtained using Norgett–Robinson–Torrens (NRT) dpa and athermal recombination-corrected (arc) dpa cross sections indicates that arc-dpa was in better agreement with the experimental data than NRT-dpa; this is similar to the displacement cross sections of copper. From the measurements of damage recovery of the accumulated defects in tungsten through isochronal annealing, which is related to the defect concentration of the sample, approximately 20% of the damage was recovered at 60 K. This trend was similar to those observed in other experimental results for reactor neutrons.

scholarly journals Microstructure Evolution and Nanotribological Properties of Different Heat-Treated AISI 420 Stainless Steels after Proton Irradiation

Materials ◽  
2019 ◽  
Vol 12 (11) ◽  
pp. 1736 ◽  
Author(s):  
L.Y. Dai ◽  
G.Y. Niu ◽  
M.Z. Ma
Keyword(s):  
Stainless Steel ◽  
Friction Coefficient ◽  
Wear Rate ◽  
Proton Irradiation ◽  
Energy Proton ◽  
Aisi 420 ◽  
Transmission Electron ◽  
Heat Treated ◽  
Nanoscale Friction ◽  
Scratch Tests

In this paper, low-energy proton irradiation experiments with different cumulative fluences were performed on samples of AISI 420 stainless steel that were either annealed or tempered at 600 or 700 °C. The effects of the cumulative proton irradiation fluence on the evolution of the microstructure of AISI 420 were studied by transmission electron microscopy (TEM). Scratch tests were performed using a Tribo Indenter nanomechanical tester, in order to investigate the effects of the cumulative fluence on the tribological properties of the AISI 420 stainless steel. The results indicate that the dislocation density of the microstructure near the surface of the AISI 420 stainless steel increases with higher cumulative proton irradiation fluences. Under the same load, the nanoscale friction coefficient and wear rate both decreased with increasing cumulative proton irradiation fluence. This indicates that the surface hardening effect induced by proton irradiation can diminish the nanoscale friction coefficient and wear rate.

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