... chemistry (NWC) environments. The main purpose of this research was to provide data to support the revision of EPRI BWR SCC disposition models during chemical transients. 316L stainless steel alloy 182 weld metal stress corrosion cracking crack growth rate direct current potential drop water chemistry...

... available polymers as dispersants for a variety of suspended matter i.e., corrosion products, hydroxyapatite, clay, etc., under stressed industrial water system conditions. Results reveal that various factors including polymer architecture, water chemistry, nature of the substrates affect the performance...

... in 288 °C BWR water was developed from seven sources comprised of 274 crack growth rate data. The data were evaluated based on experimental technique and water chemistry relevance (for example, air saturated water of ~1 μS/cm was considered the least relevant), then analyzed...

... salt concentration water chemistry scale formation internal corrosion INTRODUCTION Thermodynamic modeling for accurate prediction of CO₂ solubility in pure water and brine solutions finds application in a number of processes including CO₂ injection into geological brine...

... 825 are not sufficiently resistant to SCC, and examines the SCC resistance of this class of material when the Cr level is elevated to ~25% Cr. Stress corrosion cracking light water reactors structural materials welds water chemistry Cr effects Alloy 800 Alloy 825 Alloy 690 extended plant life...

... temperature water Alloy X-750 microstructure water chemistry INTRODUCTION Most structural materials in boiling water reactors (BWRs) and pressurized water reactors (PWRs) have exhibited stress corrosion cracking (SCC). While the crack growth behavior of various grades of stainless steel, alloy 600, alloy...

..., and some examples are discussed. New forms of degradation and aging synergies that accelerate the kinetics of known degradation phenomena are considered. Stress corrosion cracking light water reactors structural materials welds water chemistry extended plant life INTRODUCTION Stress corrosion...

... to constant K data. Strong effects (~10X) of corrosion potential were observed, and relatively limited effects (~2X) of 0 – 30 ppb sulfate were observed. Stress corrosion cracking nickel alloy weld metals high temperature water water chemistry Alloy 182 weld metal Alloy 82 weld metal stress intensity...

... performance characteristics in jar and pilot cooling tower tests and shows improved performance over a commercial ‘green’ inhibitor. Calcium carbonate scale inhibitor jar test pilot cooling tower water chemistry maleic acid polymer polyaspartate formulations The water chemistry for this test is given...

...silica polymerization inhibitors iron aluminum cationic polymer water chemistry INTRODUCTION Abstract Deposition of silica and silicate based foulants in industrial water systems (e.g., cooling, desalination, geothermal) and in reverse osmosis systems continues to be one of most difficult...

... demonstrate stability to 180°C and a marginal drop in performance at 200°C thereby showing good potential for squeeze treatment under HPHT conditions in addition to topside application. Scale inhibitor calcium carbonate barium sulphate jar test dynamic scale loop water chemistry hydrothermal stability...

... the amount of calcium retained in solution the greater the ability of the product to prevent calcium oxalate scale formation. The results are expressed as percentage inhibition and is determined from the following equation: Calcium oxalate scale inhibitor jar test water chemistry maleic acid polymer...

...In BWRs, the use of water chemistry optimization to mitigate SCC in most system components has been pursued for decades, e.g., via H₂ water chemistry [ 10 , 11 , 12 ], Pt catalysis [ 13 , 14 , 15 ] and Zn addition [ 12 , 16 - 18 ] (including for radiation build-up [ 19 ]). The use...

..., and the experimental evidence for mitigation at ≤ 0.1 ppb Pt is presented. Stress corrosion cracking catalysis platinum water chemistry stainless steel Ni alloys high temperature water INTRODUCTION Most structural materials have suffered stress corrosion cracking (SCC) in boiling water reactors (BWRs) and other...

... Stress Assisted Corrosion Microstructure Strain Rate Water Chemistry Industrial Boilers INTRODUCTION Waterside cracking of carbon steel tubes is one of the major reasons for waterwall failure in industrial and utility boilers and has been recognized as a major cause for the reduced boiler...

... of PWSCC initiation and propagation by adjusting the current operating PWR primary water chemistry, including dissolved hydrogen, lithium and boron concentrations, the pH at temperature, and Zn additions. Stress corrosion cracking Alloy 600 Ni alloys water chemistry dissolved hydrogen high temperature...

... water chemistry dynamic corrosion test INTRODUCTION Generally it is accurate to state that improvements in treating cooling waters have typically been slow to materialise. During the 1930’s through to the 1940’s early cooling water treatments consisted of formulations variously based on chromate...

..., the kinetics of SCC growth vary enormously with stress intensity, yield strength, sensitization, water chemistry, irradiation, temperature, etc. The role of yield strength is especially important because it changes with surface cold work, bulk cold work, weld shrinkage strain, and irradiation hardening...

... corrosion cracking crack growth rates prediction mechanisms emerging issues high temperature water water chemistry stainless steel Ni alloys corrosion potential stress intensity factor INTRODUCTION Stress corrosion cracking (SCC) in iron- and nickel-base alloy structural materials has occurred...

.... Stress Assisted Corrosion Corrosion Fatigue Mean Stress Loading Frequency Stress Amplitude Strain Rate Maximum Stress Water Chemistry Industrial Boilers INTRODUCTION Waterside cracking is one of the major reasons for failure of carbon steel waterwall tubes industrial and power boilers and has...