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Keywords: hydrogen
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Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. January 2012, 9(1): 1–17.
Published Online: December 23, 2011
... an impact on the structure of the oxide layers formed, on Nb, Li and B contents in these layers and on Hydrogen pickup of the cladding. The structure of oxide layers was studied by microscopy, the Nb content and distribution by Electron Probe Micro Analysis, the Li and B contents and distributions...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. February 2011, 8(2): 1–19.
Published Online: February 1, 2011
... is not well reproduced by the code. The effect of hydrogen has also been investigated by performing small scale oxidation tests on 600 wppm hydrogen charged Zy-4 cladding. Samples have been long-term annealed for homogenization after oxidation. The main purpose of these experiments is to provide quantitative...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. January 2011, 8(1): 1–20.
Published Online: January 1, 2011
...P. Vizcaíno; A. V. Flores; P. B. Bozzano; A. D. Banchik; R. A. Versaci; R. O. Ríos The present work deals with two essential degradation mechanisms of zirconium alloys: Hydrogen behavior and microstructural transformations due to neutron irradiation. The studies were carried out by using samples...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. October 2010, 7(9): 1–11.
Published Online: October 1, 2010
... loadings on the cladding during an in-reactor RIA. The EDC tests show the existence of a transition temperature where an abrupt increase in the specimen hoop strain at failure occurs. Additional tests revealed that the transition temperature depends on hydrogen concentration. A possible effect of the rapid...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. June 2010, 7(6): 1–12.
Published Online: June 1, 2010
... study. The threshold depth of the incipient crack was found to be ∼0.1 mm at the hoop stress of 300 MPa. It was suggested that the outside-in cracking during the power ramp is strongly dependent on the distribution of dissolved hydrogen as a result of the thermal diffusion. 26 12 2009 27 04...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. March 2010, 7(3): 1–23.
Published Online: March 1, 2010
...S. Jayalakshmi; E. Fleury In hydrogen-related energy technologies, the selection of materials is critical since hydrogen can modify the initial microstructure and induce damage that could result in the reduction of mechanical properties and embrittlement. In this context, metallic amorphous alloys...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. February 2010, 7(2): 1–12.
Published Online: February 1, 2010
...R. H. Vegter; J. T. Slycke It is generally accepted that the rolling contact fatigue (RCF) life of bearing components is strongly reduced when the hardened steel matrix contains hydrogen. Although frequently reported in the literature, a physically sound explanation to this phenomenon has not yet...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. February 2006, 3(2): 1–6.
Published Online: February 1, 2006
...LR Greenwood This paper presents an overview of the principal nuclear reactions that are known to produce hydrogen and helium in irradiated materials and a summary of the comparison of measurements with predictions in various reactors. Hydrogen and helium are produced in all reactor materials...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. April 2004, 1(4): 1–11.
Published Online: April 1, 2004
...LR Greenwood; FA Garner; BM Oliver; ML Grossbeck; WG Wolfer Hydrogen and helium measurements in pure nickel irradiated to 100 dpa in HFIR at temperatures between 300 and 600°C show higher gas concentrations than predicted from fast-neutron reactions and the two-step 58 Ni(n,γ) 59 Ni (n,p and n,α...