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Corrosion evaluation using metallic test specimens. Information obtained. Test rack and specimen design. Data to be recorded. Interpreting and reporting test results.
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Field corrosion testing using metallic test specimens…corrosion information…how test racks and test specimens are designed….critical data…interpreting and reporting test results. Historical Document 1997
Thin film electrolyte electrochemical tests have been conducted using a segmented, multi electrode sensor with an artificial crevice to quantify the interaction of crack tip and crack mouth during cyclic atmospheric corrosion tests.
Results are described of sigma phase embrittlement assessments performed at three different refineries and mainly involving regenerator cyclones at fluidized catalytic cracking units (FCCU) but also including regenerator cyclones hanger rods and a regenerator flue gas line.
Recent results of sour gas and hydrogen embrittlement testing of CW N07022 alloy will be presented. The test results of CW N07022 alloy will demonstrate that it offers superior properties to precipitation-strengthened Ni-base alloys for demanding oil and gas applications.
Presents guidelines for cathodic protection of reinforcing steel in concrete structures. The guidelines are limited to impressed current cathodic protection systems for new or existing atmospherically exposed reinforced concrete and are not intended for application to prestressed concrete. Criteria described include 100 mV polarization development/decay, statistical distribution analysis, and E-log I analysis.
A corrosion management system (CMS) for assets is described in this Standard. The framework is intended to be applicable to a wide variety of asset types and is not focused on a particular industry or sector. Non-mandatory guidance is provided throughout this Standard to aid users with implementing the Standard. The framework in this Standard can be utilized to develop a stand-alone CMS or to integrate corrosion management into an organization’s existing management system. Additionally, some processes covered in this framework may already be implemented by an organization, for example, management of change (MOC). An organization may modify their existing processes to address the elements identified in this framework.
New in 2020! This standard presents accepted methods and practices regarding the use of cathodic protection (CP) for the control of external corrosion on buried or submerged carbon steel, stainless steel, gray cast iron, ductile cast iron, copper, and aluminum piping systems at nuclear power plants. This standard may be useful at facilities other than nuclear power plants that contain complex networks of buried or submerged piping, which may be composed of more than one material and may or may not be grounded.
When distress of a structure is evident, it is important to determine the nature of the degradation to select the best restoration strategy. This standard practice provides testing procedures and investigative techniques for the evaluation of masonry-clad steel frame buildings. The investigation and evaluation techniques described in this standard focus on degradation resulting from corrosion of the steel frame.
This standard provides the investigator, corrosion specialist, engineer, or owner a framework for evaluating the corrosion condition of a steel frame building beyond simple visual inspection and basic sounding techniques. Evaluation techniques that identify general and localized corrosion of masonry-clad steel frame buildings are provided.
This standard is intended for use by corrosion specialists, historic architects, structural engineers, and exterior building envelope consultants involved with evaluating corrosion of steel frame buildings and the subsequent effect on the masonry cladding. It also may be useful to owners of historic buildings whose service life may be affected by steel frame corrosion.
Microbiologically influenced corrosion (MIC) is one of the most aggressive forms of corrosion leading to infrastructure and equipment damage in various industries, including but not limited to the oil and gas industry,1 water systems,2 medical devices,3 marine environments,4 nuclear waste storage facilities,5 and aviation fuel systems6 and storage.7 MIC received great attention because of the increasing cost associated with corrosion damage, particularly in oil and gas industry. The overall cost of corrosion has been estimated to be approximately 3.4% in the global Gross National Product8 which equates to approximately $2.9 trillion in 2018.9 A conservative estimate shows that 20% of all corrosion in aqueous system is MIC,10 which accounts to billions of dollars in the US.
Steel corrosion in concrete structures. Accelerated corrosion tests were performed periodically and the corrosion rates at different time intervals were measured with linear polarization resistance (LPR). The change in the resonant wavelength over time was recorded using an optical spectrum analyzer (OSA).
Adsorption/desorption process of 1-(2-aminoethyl)-2-oleyl-2-imidazolinium chloride on carbon steel. To study adsorption of imidazolinium chloride on carbon steel, in-situ atomic force microscopy measurements were performed in air, with and without imidazolinium chloride, in a 1 wt% NaCl solution purged with CO2 at pH 4.