... to promote environmental cracking (EC), such as chloride stress corrosion cracking (CSCC) and sulphide stress cracking (SSC). The potential for these conditions to cause cracking in stainless steel components must be evaluated during the material selection process to ensure the long-term integrity...

... procedures used in this work are defined in ASTM Standards G30 (Standard Practice for Making and Using U-Bend Stress-Corrosion Test Specimens), G36 (Standard Practice for Evaluating Stress-Corrosion-Cracking Resistance of Metals and Alloys in a Boiling Magnesium Chloride Solution), and G48 (Standard Test...

... deformation, based on a hydride formation-rupture event at crack tips. Stress Corrosion Cracking Hydrogen Embrittlement Commercial Pure Titanium Constant Load Method INTRODUCTION Pure titanium and Ti alloys are used in a wide range of applications due to their resistance to general corrosion and pitting...

... prediction of flaws in oil and gas pipelines. The model has already shown varied applicability for different flaw types. The focus of this work is axial metal loss flaws and axial stress corrosion cracking (SCC). The basic model is applicable to axial metal loss. The model is then modified to address issues...

... 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...

...INTRODUCTION Abstract Stress corrosion cracking (SCC) is a documented threat to the integrity of carbon steel radioactive waste storage tanks. An extensive amount of work has been carried out in caustic simulants of Hanford wastes containing between 6 and 12 M sodium hydroxide. Most...

... coupling. Environmentally assisted cracking stress corrosion cracking SCC EAC atmospheric corrosion protective coatings galvanic coupling INTRODUCTION High strength aluminum alloys, such as the 7xxx series, are susceptible to EAC under the right combinations of stress (applied or residual...

... and controlled by using a thermostat connected with a thermometer inside the electrochemical cell. At least three electrochemical tests were completed for each experimental condition. Stress Corrosion Cracking Testing Evaluation of the SCC susceptibility of the AM718 material was done using slow strain rate...

...Stress Corrosion Cracking Alternate Immersion Natural Seawater High Strength Alloys * Former NRL Employee ABSTRACT Stress corrosion cracking susceptibility of selected high strength alloys was evaluated during exposure in alternate immersion conditions using bolt loaded compact test...

... of these effects will be noted. The need for an improved understanding of combined mechanical and environmental stress effects is motivated. Atmospheric corrosion stress corrosion cracking corrosion fatigue anti-corrosion coatings INTRODUCTION Structural materials and component designs are often qualified...

...stainless steel chlorides stress corrosion cracking pH chloride content temperature oxygen stress relief INTRODUCTION Chloride promoted stress corrosion cracking (ClSCC) is a damage mechanism that can occur in a chloride containing aqueous environment. Damage can occur during in-service...

...Abstract This report investigates the environmental variables associated with stress corrosion cracking (SCC) found on multiple natural gas pipeline segments. Technicians collected environmental data at direct examination sites on eleven pipelines classified as SCC susceptible from 2015-2019. All...

...ABSTRACT In this work, we demonstrate a methodology to perform Fitness-for-Service assessments (FFS) for various forms of stress corrosion cracking (SCC) as a function of temperature. Data were gathered from the literature to summarize crack growth rates in the different combinations of material...

... the results of chloride stress-corrosion cracking (SCC), intergranular attack (IGA), and critical pitting temperature (CPT) corrosion tests, as well as results of tensile tests and Charpy impact energy tests. Testing was conducted in both the solution-annealed condition and following a sensitizing heat...

... the origin and extent of the problem. The cracking was initiated from the inside and propagated in a short period of time. The failure investigation identified the stress corrosion cracking by chlorides to be the mechanism involved, due to an inappropriate product used during the unplugging of the circuit...

... their root causes and solutions. The pros and cons of various gasket materials and design options are discussed, along with a proposal for additional requirements to be added to industry standards which would minimize the risks of these problems. Air cooler plug gasket chloride stress corrosion cracking...

.... Data Analysis and integration ILI Pipeline Integrity Internal Corrosion External Corrosion Stress Corrosion Cracking Inline Inspection DA ECDA ICDA SCCDA INTRODUCTION On January 25, 2015, the National Transportation Safety Board (NTSB) performed a study to evaluate the need for improvements...

... on these materials is compromised, together with the presence of tensile stresses, nucleated pits might further propagate in form of cracks by stress corrosion cracking (SCC). In fact, transgranular SCC preceded by pitting is one of the most common cause of failure in drilling equipment manufactured using CrMn...

... to increase in magnitude with increasing hydrogen concentration. Hydrogen Embrittlement Stress Corrosion Cracking Deformation Plasticity void growth INTRODUCTION Austenitic stainless steels have widespread application in the energy, nuclear, automobile, chemical, oil and gas production, refining...

...-temperature processes in the petroleum refining industry, while duplex SS (DSS) grade 2205 is a relatively newer material in the industry. Though these grades of SSs perform well in refinery process streams, there are incidents of failure of process equipment attributable to stress corrosion cracking (SCC...