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Potential Dependent Stress Corrosion Cracking Of Type 304 L Stainless Steel In H2so4 Kcl At 25 C
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Book Synopsis Potential Dependent Stress Corrosion Cracking of Type 304-L Stainless Steel in H2SO4 + KCl at 25 ̊C. by : Charles Raymond Morin
Download or read book Potential Dependent Stress Corrosion Cracking of Type 304-L Stainless Steel in H2SO4 + KCl at 25 ̊C. written by Charles Raymond Morin and published by . This book was released on 1972 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Potential Dependent Stress Corrosion Cracking of Incoloy 800 Stainless Steel in H2SO4/KC1 Solution at 25 C. by : Taiki Kobayashi
Download or read book Potential Dependent Stress Corrosion Cracking of Incoloy 800 Stainless Steel in H2SO4/KC1 Solution at 25 C. written by Taiki Kobayashi and published by . This book was released on 1974 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of the Effects of Corrosion Potential and Impurities on the Stress Corrosion Cracking of Type 304 Stainless Steel by :
Download or read book Analysis of the Effects of Corrosion Potential and Impurities on the Stress Corrosion Cracking of Type 304 Stainless Steel written by and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Intergranular stress corrosion cracking (IGSCC) of sensitized Type 304 stainless steel (SS) has been a recurrent problem in the high-temperature water environment of boiling-water-reactors (BWRs) over the past two decades. The synergistic effects of environmental and material variables on stress corrosion cracking (SCC) of Type 304 SS were investigated at 289°C by means of constant-extension-rate-tensile (CERT) tests at a strain rate of 1 x 10−6/s. Correlations among environmental variables (dissolved oxygen and impurity concentrations, viz., H2SO4, steady-state open-circuit electro-chemical potential) and the SCC susceptibility parameters have been determined. The extensive results over a wide range of open-circuit corrosion potential conditions were analyzed by a model which accounts for the effects of environmental variables, microstructure (e.g., degree of sensitization) and strain rate. The results are consistent with a slip-dissolution mechanism for SCC. Furthermore, representation of the dependence of corrosion potential and average crack growth rate on the dissolved oxygen concentration of the water by a simple mathematical function, in conjunction with the theoretical model, enables predictions of both strain rate and environmental effects on the SCC susceptibility of sensitized Type 304 SS. 12 refs., 7 figs.
Book Synopsis Stress Corrosion Cracking of Austenitic Stainless Steel by : McIntyre R. Louthan
Download or read book Stress Corrosion Cracking of Austenitic Stainless Steel written by McIntyre R. Louthan and published by . This book was released on 1964 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress Corrosion Cracking by : G. M. Ugiansky
Download or read book Stress Corrosion Cracking written by G. M. Ugiansky and published by ASTM International. This book was released on 1979 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Mechanism of Stress Corrosion in Stainless Steels by : Armour Research Foundation (U.S.)
Download or read book The Mechanism of Stress Corrosion in Stainless Steels written by Armour Research Foundation (U.S.) and published by . This book was released on 1960 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress-corrosion Cracking of Stainless Steel by : Myra S. Feldman
Download or read book Stress-corrosion Cracking of Stainless Steel written by Myra S. Feldman and published by . This book was released on 1962 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Sulfuric Acid, Oxygen, and Hydrogen in High-temperature Water on Stress Corrosion Cracking of Sensitized Type 304 Stainless Steel by :
Download or read book Effect of Sulfuric Acid, Oxygen, and Hydrogen in High-temperature Water on Stress Corrosion Cracking of Sensitized Type 304 Stainless Steel written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The influence of dissolved oxygen and hydrogen and dilute sulfuric acid in 289°C water on the stress-corrosion-cracking susceptibility of lightly and moderately sensitized Type 304 stainless steel was determined in constant-extension-rate tensile (CERT) tests. The CERT parameters and the fracture surface morphologies were correlated with the concentrations of dissolved oxygen and sulfate, and the electrochemical potentials of platinum and Type 304 stainless steel electrodes in simulated boiling-water reactor (BWR) environments. A particularly high susceptibility to intergranular cracking was found for the steel in the lightly sensitized condition at oxygen concentrations between approx. 0.05 and 0.2 ppM under slightly acidic conditions (pH approx. 6.0 at 25°C), which may, in part, account for the pervasive nature of intergranular cracking in BWR piping systems. Scanning-transmission electron microscopy analyses revealed significant differences between samples in the lightly and the moderately sensitized condition with respect to the width, but not the depth, of the chromium-depleted region at the grain boundaries. The addition of 0.5 ppM hydrogen to the water had only a small mitigating effect on intergranular cracking in water containing oxygen and sulfuric acid at low concentrations; however, oxygen suppression to less than or equal to 0.05 ppM in the reactor-coolant water, by means of hydrogen additions to the feedwater, would be quite beneficial provided impurities are also maintained at very low levels.
Book Synopsis Stress Corrosion Cracking of Type 304 Stainless Steel by : McIntyre R. Louthan
Download or read book Stress Corrosion Cracking of Type 304 Stainless Steel written by McIntyre R. Louthan and published by . This book was released on 1964 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Temperature and Ionic Impurities at Very Low Concentrations on Stress Corrosion Cracking of Type 304 Stainless Steel by :
Download or read book Effect of Temperature and Ionic Impurities at Very Low Concentrations on Stress Corrosion Cracking of Type 304 Stainless Steel written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The relative effect of approx. 12 anion species, in conjunction with hydrogen and sodium cations, on the stress-corrosion-cracking (SCC) behavior of lightly sensitized Type 304 stainless steel was investigated in constant-extension-rate-tensile (CERT) tests at 289°C in water with 0.2 ppM dissolved oxygen at total conductivity values of less than or equal to 1 .mu. S/cm. The results show that the sulfur species, either in acid or sodium form, produce the highest degree of IGSCC relative to other anions. The effect of temperature on the SCC behavior of the material was investigated in CERT tests over the range 110 to 320°C in high-purity water and in water containing 0.1 and 1.0 ppM sulfate as H2SO4 at a dissolved oxygen concentration of 0.2 ppM. The CERT parameters were correlated with impurity concentration (i.e., conductivity) and the electrochemical potential of platinum and Type 304 stainless steel electrodes in the high-temperature environments. Maximum IGSCC occurred at temperatures between approx. 200 and 250°C in high-purity water, and the addition of sulfate increased the average crack growth rates and the temperature range over which maximum susceptibility occurred. A distinct transition from intergranular to transgranular and ultimately to a ductile failure mode was observed as the temperature increased from approx. 270 to 320°C in high-purity water. This transition was attributed to a decrease in the open-circuit corrosion potential of the steel below a critical value of approx. 0 mV(SHE) at the higher temperature. A large decrease in the crack growth rates of fracture-mechanics-type specimens of the steel was also found when the temperature was increased from 289 to 320°C in high-purity water with 0.2 ppM dissolved oxygen. 26 references, 8 figures, 6 tables.
Book Synopsis Stress Corrosion-New Approaches by : H. L. Craig
Download or read book Stress Corrosion-New Approaches written by H. L. Craig and published by ASTM International. This book was released on 1976 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Initiation of Stress Corrosion Cracking of Sensitized Type 304 Stainless Steel by :
Download or read book Initiation of Stress Corrosion Cracking of Sensitized Type 304 Stainless Steel written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The corrosion potential of stressed sensitized Type 304 stainless steels were studied in oxygen-containing solutions to determine the relation between potential fluctuations and the initiation of stress-corrosion cracking. An in situ scanning vibrating electrode technique was shown to detect currents coming from growing stress corrosion cracks in dilute thiosulfate solutions at temperatures below 90°C. The onset of the cracking was clearly indicted by rapid decreases in the potential. It was observed that small cracks, which had grown for a limited period, were not susceptible to reinitiation of the cracking process. The onset of cracking was clearly observable by marked decreases in the potential which continued to decrease if cracking remained active and increased when cracking stopped. At and above 200°C there were no potential fluctuation indicative of the onset of stress-corrosion cracking. Small potential differences between platinum and stainless steel were observed demonstrating the presence of a single electrochemically reversible reaction determined the potential of all metals within the stainless steel autoclave, and thus masking the onset of cracking. The presence of only an iron-containing deposit on the platinum suggested that a sufficiently reversible redox couple was set up between deposited iron oxide and a soluble iron species in solution which dominated the potential of the stainless steel and the platinum.
Book Synopsis An Exploratory Study of Inhibition of Intergranular Stress Corrosion Cracking in Sensitized Type 304 Stainless Steel by : Benjamin Floyd Brown
Download or read book An Exploratory Study of Inhibition of Intergranular Stress Corrosion Cracking in Sensitized Type 304 Stainless Steel written by Benjamin Floyd Brown and published by . This book was released on 1979 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress-corrosion Cracking of High-strength Stainless Steels in Atmospheric Environments by : C. J. Slunder
Download or read book Stress-corrosion Cracking of High-strength Stainless Steels in Atmospheric Environments written by C. J. Slunder and published by . This book was released on 1961 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress Corrosion Cracking and Hydrogen Permeation of Type 304 Austenitic Stainless Steel in H2SO4-NaCl Environment by : Olivier D'Erceville
Download or read book Stress Corrosion Cracking and Hydrogen Permeation of Type 304 Austenitic Stainless Steel in H2SO4-NaCl Environment written by Olivier D'Erceville and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress Corrosion Cracking and Cathodic Hydrogenation of Type 304 Austenitic Stainless Steel in H2SO4 + NaCl Environment by : Ronnie Hitoshi Higuchi
Download or read book Stress Corrosion Cracking and Cathodic Hydrogenation of Type 304 Austenitic Stainless Steel in H2SO4 + NaCl Environment written by Ronnie Hitoshi Higuchi and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Impurities on Stress Corrosion Cracking in Type 316NG Stainless Steel by : William Dale Miller
Download or read book Effects of Impurities on Stress Corrosion Cracking in Type 316NG Stainless Steel written by William Dale Miller and published by . This book was released on 1985 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
