...Philippe Bossis; Caroline Raepsaet; Marc Tupin; Caroline Bisor-Melloul; Hicham Khodja; Martine Blat; Antoine Ambard; Alain Miquet; Damien Kaczorowski Until now, most of the detailed characterizations of the M5 corrosion behaviour were performed under standard PWR operating conditions, under...

... modulus of the samples show an increase in the values for the sulphide sample for 120 min. 21 09 2010 10 08 2011 26 09 2011 sulphidation process protective film corrosion erosion–corrosion References Pillis , M. F. , and Ramanathan , L. V. , “ Microstructural...

...Luiz Carlos Casteletti; Frederico Augusto Pires Fernandes; Stênio Cristaldo Heck; Carlos Alberto Picon; George Edward Totten Hastelloy C alloys are widely used in chemical and nuclear industries in corrosive environments. The predominant alloying elements of these nickel-based alloys are typically...

... with significantly different fuel management strategies. Material test rod irradiations have also been launched in order to determine irradiation growth and corrosion behaviour on tubes irradiated under conditions representative of guide tubes. Results show that the increase in tin content up to 0.3 % does...

...: Zry-2, GNF-Ziron (Zry-2-based alloy with ∼0.26 wt % Fe), and VB (Zr-based alloy containing ∼0.5 wt % Sn, ∼0.5 wt % Fe, and ∼1 wt % Cr). Out-of-pile corrosion tests were carried out in 400 °C steam and 290 °C LiOH water. For both tests, the hydrogen absorption decreased with higher iron content...

...A. Poursaee The main goal of this study was to evaluate different corrosion measurement techniques in order to determine the most accurate methods for measuring the corrosion rate of steel bars in reinforced steel concrete. For this purpose, reinforced concrete specimens were cast and exposed...

... a crucial affects in the reactor corrosion rate and hydrogen uptake in boiling water reactor (BWR) cladding. To further study these effects, different selected fuel rod assemblies with standard LK3 cladding materials that have been irradiated in KernKraftwerk Leibstadt (KKL) for three, five, six, seven...

... orientations of the α-Zr matrix was studied with coarse-grained Zircaloy-4 specimens through autoclave corrosion tests at 500 and 400°C in superheated steam, and at 360°C in both lithiated and deionized water for long time exposure. The results show that the anisotropic growth of oxide layers on the grain...

... hydraulic fluids and the problems encountered with corrosion resistance and emulsion stability. A new classification for water glycol fluids with lower water content has been added in recent years. An example will be shown of a fluid in this classification that meets all of the 7th Luxembourg requirements...

...David G. Franklin 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...

...Raja Rizwan Hussain; Tetsuya Ishida Reinforced concrete structures exposed to aggressive environments such as severe chloride attack coupled with high temperature suffer from accelerated corrosion. The objective of this paper is to model and verify the effect of temperature on chloride induced...

... permeability, which are important in soft magnetic materials applications. Corrosion not only decreases the service life of soft magnetic materials, creating the need for system replacement, but can also damage the soft magnetic properties of these alloys. This behavior can lead to serious consequences...

...G. Williamson; R. E. Weyers; M. M. Sprinkel Deterioration of steel reinforced concrete bridge decks by chloride induced corrosion in North America is of major concern. Chloride from applications of sodium, calcium, and magnesium chloride during winter maintenance operations initiates corrosion...

... potentiodynamic polarization experiments to characterize the formation and breakdown mechanisms of the passive films formed. A solution of 0.55 M KOH + 0.16 M NaOH, with and without chlorides (0 % and 3.5 % NaCl), was used for the SERS experiments. In addition, the corrosion performance of microcomposite steels...

... naturally absorb hydrogen under biological circumstances. However, it is suspected that the hydrogen absorption is related to galvanic currents, fretting corrosion, hydrogen ions in a biological fluid, and changes in pH under biostructures, biofilms, and tumors. It may lead to the degradation...

...Richard E. Ricker Issues concerning corrosion service life predictions on the basis of laboratory measurements are examined. Models for corrosion service life prediction will reduce corrosion failures and operation costs by enabling better design, alloy selection, full life-cycle cost analysis...

... is monitored during the measurement by means of electrodes able to detect the distance reached by the current. In the present paper after a short review of existing corrosion rate meters to measure on site, results of a comparison made of reinforced concrete slabs with various degradations such as carbonation...

...Jeong-Yong Park; Byung-Kwon Choi; Seung Jo Yoo; Yong Hwan Jeong The corrosion behavior of HANA alloys has been investigated at 360°C in a pure water autoclave as well as in a pressurized water reactor (PWR)-simulating loop. The grain morphology and the incorporated precipitates of the oxide were...

...Makoto Harada; Ryuji Wakamatsu Three zirconium alloys (Zry-4, Zry-2, and NDA) were corrosion tested at 633 K in pure water and in mixed gas of Ar and oxygen. In both environments, their corrosion rate showed cyclic changes. The time and the weight gain at the transition point changed...

...A. T. Motta; M. J. Gomes da Silva; A. Yilmazbayhan; R. J. Comstock; Z. Cai; B. Lai To understand how alloy chemistry and microstructure impact corrosion performance, oxide layers formed at different stages of corrosion on various model zirconium alloys (Zr-xFe-yCr, Zr-xCu-yMo, for various x, y...