Review of the thermodynamic basis for models of delayed hydride cracking rate in zirconium alloys
MP Puls - Journal of nuclear materials, 2009 - Elsevier
A review is given of the thermodynamic basis of a model developed by Dutton and Puls for
the rate of subcritical crack propagation by delayed hydride cracking in zirconium alloys …
the rate of subcritical crack propagation by delayed hydride cracking in zirconium alloys …
On the effects of texture and microstructure on hydrogen transport towards notch tips: A CPFE study
Hydrogen embrittlement is an important degradation mechanism affecting the lifetime of
engineering components. The diffusion of hydrogen atoms into the metal lattice can be …
engineering components. The diffusion of hydrogen atoms into the metal lattice can be …
Characterisation of stress corrosion cracking (SCC) of Mg–Al alloys
Stress corrosion cracking (SCC) of the Mg–Al alloys AZ91, AZ31 and AM30 in distilled water
has been characterised using constant extension rate tests (CERTs) and linearly increasing …
has been characterised using constant extension rate tests (CERTs) and linearly increasing …
An assessment of delayed hydride cracking in zirconium alloy cladding tubes under stress transients
KS Chan - International materials reviews, 2013 - Taylor & Francis
Zirconium alloy cladding tubes used in nuclear fuel rods are susceptible to delayed hydride
cracking, which is a time dependent crack growth process resulting from the stress assisted …
cracking, which is a time dependent crack growth process resulting from the stress assisted …
Experimental studies of mechanical properties of solid zirconium hydrides
MP Puls, SQ Shi, J Rabier - Journal of nuclear materials, 2005 - Elsevier
Zirconium alloy Zr–2.5 Nb has been hydrided to ZrHx (x= 1.15–2.0), and studied using
microhardness and unconfined and confined compression techniques. At room temperature …
microhardness and unconfined and confined compression techniques. At room temperature …
Simulation of hydrogen embrittlement in zirconium alloys under stress and temperature gradients
AG Varias, AR Massih - Journal of Nuclear Materials, 2000 - Elsevier
A finite element model is presented for hydrogen embrittlement of zirconium alloys. The
model takes into account the coupled processes of hydrogen diffusion, non-mechanical …
model takes into account the coupled processes of hydrogen diffusion, non-mechanical …
Effect of radial hydrides on fracture behavior of Zr-2.5 Nb pressure tube material
The fracture behavior of Zr-2.5 Nb pressure tube (PT) material containing radial hydrides
with hydrogen concentrations between 30 and 300wppm was evaluated between 25 and …
with hydrogen concentrations between 30 and 300wppm was evaluated between 25 and …
Hydrogen concentration limit and critical temperatures for delayed hydride cracking in zirconium alloys
SQ Shi, GK Shek, MP Puls - Journal of nuclear materials, 1995 - Elsevier
An experimental study was carried out to determine the hydrogen concentration limit as a
function of temperature at which delayed hydride cracking (DHC) commences in Zr-2.5 Nb …
function of temperature at which delayed hydride cracking (DHC) commences in Zr-2.5 Nb …
Evaluation of the delayed hydride cracking mechanism for transgranular stress corrosion cracking of magnesium alloys
This paper evaluates the important elements of delayed hydride cracking (DHC) for
transgranular stress corrosion cracking (TGSCC) of Mg alloys. A DHC model was formulated …
transgranular stress corrosion cracking (TGSCC) of Mg alloys. A DHC model was formulated …
Hydride-induced embrittlement and fracture in metals—effect of stress and temperature distribution
AG Varias, AR Massih - Journal of the Mechanics and Physics of Solids, 2002 - Elsevier
A mathematical model for the hydrogen embrittlement of hydride forming metals has been
developed. The model takes into account the coupling of the operating physical processes …
developed. The model takes into account the coupling of the operating physical processes …