... by the deforming material may be regarded as forerunners of necking in the course of Zr alloy tube manufacture and are indicative of probable material fracture. zirconium alloy oxygen cladding tubes plastic deformation strain hardening deformation localization Journal of ASTM International, January...

... was used as a very informative source for getting information to optimize the cold deformation process of zirconium alloy material, in particular for Zr1%Nb alloy cladding tubes. The results of local X-ray measurements of residual stresses were compared with the results of ultrasonic speed measurements...

... suggest: (1) there is no adverse effect of irradiation on the high-temperature oxidation behavior; and (2) radiation damage in cladding is eliminated during a LOCA condition. zirconium zirconium alloys cladding tubes loss-of-coolant accident zirconium-steam reaction thermal shock nuclear...

.... Zircaloy 4 tubes cladding tubes cold pilgering mechanical modeling surface defects damage finite element method tool optimization Jean Luc Aubin, t Pierre Montmitonnet, 2 and Sandrine Mulot 3 Zirconium Alloy Cold Pilgering Process Control by Modeling REFERENCE: Aubin, J. L., Montmitonnet, R...

... Within the scope of the optimization of the M5 cladding tubes made of ternary alloy (Zr, Nb, O), an extensive program of investigation and industrial development has been undertaken. The various possible factors and potential causes of variability have been thoroughly analyzed with the aid...

.... zirconium zirconium alloys nuclear materials nuclear applications radiation effects cladding tubes cold pilgering mechanical modeling surface defects damage (materials) Jean Luc Aubin, l Emmanuel Girard, 2 and Pierre Montmitonnet 3 Modeling of Damage in Cold Pilgering REFERENCE: Aubin, J. L...

... With the aim of optimizing the basic properties of stress-relieved Zircaloy-4 cladding tubes, particularly those that make it possible to push back the initial technological limits that may be encountered, and of reducing the scatter of those properties and enhancing tube quality, the role...

...' results and the corresponding four cycles' results. The corrosion effect and the load following influence were also investigated: they do not appear to modify the fatigue behavior in our experimental conditions. zirconium zirconium alloys fatigue behavior cladding tubes irradiation effects...

... in terms of the weight gain owing to oxidation, Δ w , the exposure temperature, T , and clad thickness, ξ, according to ( ϵ z / Δ w ) = A ⋅ ( ξ ) m where the coefficients A and m vary with temperature. Zircaloy-4 cladding tubes wall thickness oxidation...

.... Zircaloy-2 cladding tubes nodular corrosion autoclave tests composition texture thermomechanical processing annealing parameter E. R. Bradley, ~J. H. Schemel, 1 and A - L Nystrdm 2 Influence of Alloy Composition and Processing on the Nodular Corrosion Resistance of Zircaloy-2 REFERENCE: Bradley...

... and perhaps iron have the largest beneficial effects. Zircaloy cladding tubes corrosion heat treatment microstructure precipitates autoclave tests chemical effects Tomas Thorvaldsson, 1 Thomas Andersson, 1Anders Wilson, ~and Antony Wardle z Correlation Between 400~ Steam Corrosion Behavior...

... The influence of morphology, chemical composition, and crystal structure of second-phase particles in Zircaloy-2 material upon its corrosion behavior is investigated. Five different thermochemically treated Zircaloy-2 cladding tubes with known boiling water reactor (BWR) corrosion properties...

... to the test temperature. This model can explain the lot-to-lot variation observed for standard material and the improved resistance for tubing beta-quenched in intermediate size. Zircaloy cladding tubes nodular corrosion heat treatment microstructure precipitates T. Andersson^ and T...

... Well-controlled laboratory heat treatments were performed in the range from 460 to 610°C (733 to 883 K) and from 1 to 8 h at temperature on Zircaloy-4 cladding tubes with three different degrees of initial cold work (40%, 64%, and 76%). Within this range the influence of annealing temperature T...

..., formed during β -quenching, which give rise to precipitation hardening. Zircaloys cladding tubes beta-quenching nodular corrosion second-phase particles creep zirconium nuclear industry Th. Andersson^ and G. Vesterlund^ Beta-Quenching of Zircaloy Cladding Tubes in Intermediate or Final...

... on stress direction are also discussed. hydrides texture grain boundaries directionality Zircaloy-2 poles reactors cladding tubes precipitation (chemistry) irradiation zirconium alloys Hiroshi Kawanishi, 1 Shiori Ishino,' and Yoshitsugu Mishima ~ Directionality of the Grain Boundary...