Evaluation of the nucleation and growth of helium bubbles in aged plutonium

2007 ◽  
Vol 444-445 ◽  
pp. 212-216 ◽  
Author(s):  
D.W. Wheeler ◽  
P.D. Bayer
Keyword(s):  
Nucleation And Growth ◽  
Helium Bubbles

scholarly journals Nucleation and growth of helium bubbles in aluminum between 20 and 900 K

1988 ◽  
Vol 38 (2) ◽  
pp. 1087-1094 ◽  
Author(s):  
H. Rajainmäki ◽  
S. Linderoth ◽  
H. E. Hansen ◽  
R. M. Nieminen ◽  
M. D. Bentzon
Keyword(s):  
Nucleation And Growth ◽  
Helium Bubbles

scholarly journals An Overview of Recent Standard and Accelerated Molecular Dynamics Simulations of Helium Behavior in Tungsten

Materials ◽  
2019 ◽  
Vol 12 (16) ◽  
pp. 2500 ◽  
Author(s):  
Luis Sandoval ◽  
Danny Perez ◽  
Blas P. Uberuaga ◽  
Arthur F. Voter
Keyword(s):  
Molecular Dynamics ◽  
Nucleation And Growth ◽  
High Melting ◽  
High Melting Point ◽  
Fusion Power ◽  
Helium Bubbles ◽  
Accelerated Molecular Dynamics ◽  
Plasma Facing Materials ◽  
Sputtering Yield ◽  
Dynamics Simulations

One of the most critical challenges for the successful adoption of nuclear fusion power corresponds to plasma-facing materials. Due to its favorable properties in this context (low sputtering yield, high thermal conductivity, high melting point, among others), tungsten is a leading candidate material. Nevertheless, tungsten is affected by the plasma and fusion byproducts. Irradiation by helium nuclei, in particular, strongly modifies the surface structure by a synergy of processes, whose origin is the nucleation and growth of helium bubbles. In this review, we present recent advances in the understanding of helium effects in tungsten from a simulational approach based on accelerated molecular dynamics, which emphasizes the use of realistic parameters, as are expected in experimental and operational fusion power conditions.

Nucleation and growth of precipitates and helium bubbles in a high-purity AlMgSi alloy irradiated with 600 MeV protons

1988 ◽  
Vol 155-157 ◽  
pp. 1075-1078 ◽  
Author(s):  
M. Victoria ◽  
W.V. Green ◽  
D. Gavillet ◽  
B.N. Singh ◽  
T. Leffers
Keyword(s):  
High Purity ◽  
Nucleation And Growth ◽  
Helium Bubbles ◽  
Mev Protons

Nucleation and growth of helium bubbles in nickel studied by positron-annihilation spectroscopy

1992 ◽  
Vol 45 (18) ◽  
pp. 10231-10241 ◽  
Author(s):  
G. Amarendra ◽  
B. Viswanathan ◽  
A. Bharathi ◽  
K. P. Gopinathan
Keyword(s):  
Positron Annihilation ◽  
Positron Annihilation Spectroscopy ◽  
Nucleation And Growth ◽  
Helium Bubbles

Mechanism map for nucleation and growth of helium bubbles in metals

2006 ◽  
Vol 353 (1-2) ◽  
pp. 52-65 ◽  
Author(s):  
Kazunori Morishita ◽  
Ryuichiro Sugano
Keyword(s):  
Nucleation And Growth ◽  
Helium Bubbles
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