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51315-5827-Performance of Non-Metallic Composite Repair System in Aggressive Environments

Picture for Performance of Non-Metallic Composite Repair System in Aggressive Environments
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Product Number: 51315-5827-SG
ISBN: 5827 2015 CP
Author: Davie Peguero
Publication Date: 2015
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$20.00
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The use of carbon steel pipework for aggressive environments in the process industries may often result in premature service lives. This prompts the need to rehabilitate or repair live components before their scheduled shut-downs. The necessity to extend the life of these components has led to the development and use of temporary non-metallic repair systems which must be resistant to the chemical environment. These systems offer cost effectiveness ease of application and may be engineered for specific cases. Measuring the degradation rate of these non-metallic repair systems allows them to be specified for certain applications with confidence. Case studies highlighting successes failures along with laboratory research are presented. This paper will discuss the use of a non-metallic repair system coupled with laboratory research to characterize the degradation of the repair system in various environments. Changes in physical properties after 1000 hr exposure are evaluated through mechanical testing such as modulus change hardness and weight. Changes in chemical composition of the polymer are evaluated through Fourier Transform Infrared spectroscopy (FT-IR). The aqueous mediums chosen included HCL NaOH H2SO4 Acetic Acid and MEK. The results are used to determine the suitability of the materials for the intended service and the load carrying capability.
The use of carbon steel pipework for aggressive environments in the process industries may often result in premature service lives. This prompts the need to rehabilitate or repair live components before their scheduled shut-downs. The necessity to extend the life of these components has led to the development and use of temporary non-metallic repair systems which must be resistant to the chemical environment. These systems offer cost effectiveness ease of application and may be engineered for specific cases. Measuring the degradation rate of these non-metallic repair systems allows them to be specified for certain applications with confidence. Case studies highlighting successes failures along with laboratory research are presented. This paper will discuss the use of a non-metallic repair system coupled with laboratory research to characterize the degradation of the repair system in various environments. Changes in physical properties after 1000 hr exposure are evaluated through mechanical testing such as modulus change hardness and weight. Changes in chemical composition of the polymer are evaluated through Fourier Transform Infrared spectroscopy (FT-IR). The aqueous mediums chosen included HCL NaOH H2SO4 Acetic Acid and MEK. The results are used to determine the suitability of the materials for the intended service and the load carrying capability.
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Picture for Testing and Design of Nonmetallic Composite Repair Systems for Pipeline Intergity
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51317--9506-Testing and Design of Nonmetallic Composite Repair Systems for Pipeline Intergity

Product Number: 51317--9506-SG
ISBN: 9506 2017 CP
Author: Davie Peguero
Publication Date: 2017
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Pressure cycling and ultimate failure pressure testing was conducted on various pipe samples to verify the design formulas meet the specifications and are correct for use in design of field repairs. Results show that use of strain-based design methodologies for composite repair systems is suitable and effective.
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51316-7562-Factors which Affect the Performance of Composite Repair Systems

Product Number: 51316-7562-SG
ISBN: 7562 2016 CP
Author: Davie Peguero
Publication Date: 2016
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Picture for Considerations for Repairing Live Piping Using Engineered Composite Repair Systems
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51317--9494-Considerations for Repairing Live Piping Using Engineered Composite Repair Systems

Product Number: 51317--9494-SG
ISBN: 9494 2017 CP
Author: Matt Green
Publication Date: 2017
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Composite materials are being widely implemented for repair scenarios within refineries – domestically and around the world. This paper will discuss concerns, considerations, and needs typically encountered when using Engineered Composite Repair systems to repair live, operating piping systems in a plant environment.
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