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eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2023
ISBN: 978-0-8031-7737-6
... in recent years, the objective of this work has been to provide a quantification of the as-deformed state to enable the development of a quantitative relation to the recrystallized condition. Electron backscatter diffraction was used to characterize the as-deformed and annealed conditions of uniaxially...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2021
ISBN: 978-0-8031-7690-4
.... dislocation deformation simulation loop irradiation ZIRCONIUM IN THE NUCLEAR INDUSTRY: 19TH INTERNATIONAL SYMPOSIUM 319 STP 1622, 2021 / available online at www.astm.org / doi: 10.1520/STP162220190036 Fabien Onimus,1 Laurent Dupuy,1 Marine Gaume´,1 Wassim Kassem,1 and Frederic Mompiou2 Deformation...
eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2016
ISBN: 978-0-8031-7068-1
... of material deformation, strain, and stress and discusses the basic parameters of elasticity, including rudimentary porous and thermal-related parameters. Only a minimal amount of mathematical development is provided, enough to understand the basic concepts, with references provided to sources in which...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2012
ISBN: 978-0-8031-7515-0
... This paper provides historical context and future direction on selected contributions to understanding zirconium-alloy deformation and corrosion in light water reactors. More detailed discussion of the relative importance of electrochemical potential and hydrogen pickup on nodular corrosion...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2012
ISBN: 978-0-8031-7515-0
... structure and texture of the ACR pressure tubes indicates that the in-reactor creep deformation will be improved. Analysis of the distribution of texture parameters from a trial batch of 26 tubes shows that the variability is reduced relative to tubes fabricated in the past. This reduction in variability...
eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2010
ISBN: 978-0-8031-7018-6
... irradiation creep stress temperature damage rate dose strain strain rate texture mechanical properties pressurized water reactor deformation modelling nuclear fuel cladding fracture RPS2-EB/Nov 2010 105 106 ZIRCONIUM PRODUCTION AND TECHNOLOGY NICHOLS, ZIRCALOY DEFORMATION AND FRACTURE 107 108...
eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2010
ISBN: 978-0-8031-7018-6
... An historical review is given on the effects of neutron irradiation on the microstructure and properties of Zircaloy. Topics included are basic neutron damage structure, precipitate instabilities, irradiation growth, deformation and mechanical properties, and corrosion. A personal perspective...
eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2010
ISBN: 978-0-8031-7018-6
... This paper provides historical context and future direction on selected contributions to understanding zirconium-alloy deformation and corrosion in light water reactors. More detailed discussion of the relative importance of electrochemical potential and hydrogen pickup on nodular corrosion...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2010
ISBN: 978-0-8031-3426-3
..., and the choice of the correct sealant is critical to passing the test criteria specified in ASTM E1866. Rheological instruments have the capability to characterize the dynamic mechanical behavior of elastomeric materials undergoing oscillatory (cyclic) deformation under controlled test conditions and, therefore...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2010
ISBN: 978-0-8031-7501-3
... femoropopliteal artery deformation quantitative analysis Reprinted from JAI, Vol. 6, No. 4 doi:10.1520/JAI101872 Available online at www.astm.org/JAI Andrew J. P. Klein,1 John C. Messenger,1 Ivan P. Casserly,1,2 Adam R. Hansgen,1 John D. Carroll,1 and S.-Y. James Chen1 Feasibility of a Method to Quantify...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2010
ISBN: 978-0-8031-7501-3
... continuum mechanics and the microscopic stress-strain condition imposed by the phase transformation in understanding the deformation mechanism of this complex material. A scanning electron microscope equipped with an electron beam back scatter diffraction detector is a powerful tool that can extract...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2009
ISBN-10: 0-8031-4514-4
ISBN: 978-0-8031-4514-6
... The time-dependent deformation behavior of pressure tubes in CANDU™ (CANada Deuterium Uranium) reactors is an important property that has to be predicted for reactor life management. Measurements accumulated over many years have shown that there is considerable variability in deformation rates...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2009
ISBN-10: 0-8031-4514-4
ISBN: 978-0-8031-4514-6
... the deformation behavior of the core components over the reactor life. It is important to know the creep behavior as a function of neutron flux in order to develop creep models over the range of operating conditions in the reactor core. At the edge of the reactor core, the neutron flux is decreasing very rapidly...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2006
ISBN-10: 0-8031-3401-0
ISBN: 978-0-8031-3401-0
... In order to better understand the influence of the radiation-induced defect microstructures on changes in stainless steel deformation behavior, the microstructures of irradiated 12 % cold-worked 316 stainless steel were examined following slow-strain-rate tensile testing. Tensile samples were...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2005
ISBN-10: 0-8031-3493-2
ISBN: 978-0-8031-0756-4
... variability in the deformation rates because of the variations in as-fabricated microstructure and chemistry from tube-to-tube — specifically grain size, crystallographic texture, and oxygen content. The as-fabricated microstructure also varies within a given tube, the largest variation occurring along...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2004
ISBN-10: 0-8031-3477-0
ISBN: 978-0-8031-3477-5
... The deformed microstructures of irradiated F82H uniaxial tensile specimens have been examined following irradiation in the High Flux Reactor (HFR) to 2.6 dpa at 327°C in order to identify controlling mechanisms. Deformation following irradiation is found to occur in poorly defined channels...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2004
ISBN-10: 0-8031-3478-9
ISBN: 978-0-8031-3478-2
... crack nucleation crack growth probability of failure deformation slip transfer Journal of ASTM International, Feb. 2004, Vol. 1, No. 2 Paper ID11570 Available online at: www.astm.org Sushant K. Jha, l James M. Larsen, 2Andrew H. Rosenberger, 2 and George A. Hartman 3 Mechanism-Based Variability...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2002
ISBN-10: 0-8031-2895-9
ISBN: 978-0-8031-2895-8
... During the plastic deformation of irradiated Zr alloys, specific slip systems are activated. Indeed, the dislocation loops of <a> type are strong obstacles for the dislocations gliding on the classical prismatic planes. An increase in yield strength is observed. This allows the activation...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2002
ISBN-10: 0-8031-2895-9
ISBN: 978-0-8031-2895-8
... effect is that pressure tubes tend to deform at a faster rate when the back end of the tube (i.e., the end leaving the extrusion press last) is installed at the fuel-channel outlet. The primary cause of the difference in microstructure along a given tube is the temperature change during the extrusion...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2001
ISBN-10: 0-8031-2878-9
ISBN: 978-0-8031-2878-1
... The processes of energy dissipation and accumulation were studied during plastic deformation. In addition, the characteristics of strength and ductility were obtained for pure metals and structural materials pre-irradiated by neutrons or alternatively by alpha-particles. The temperature...