United States Department of Transportation
i
Chemically Bonded Porcelain Enamel Coated Pipe for Corrosion Protection and Flow Efficiency
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2019-01-01
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[PDF-10.93 MB]
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Edition:Final Report
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Abstract:The overarching goal of this study is to improve the corrosion protection and safety, and to reduce the pressure loss and operational cost of hazardous liquid and natural gas pipelines. To achieve the goal, this study aims to explore and develop chemically-bonded enamel coating (200-300 µm) for coating uniformity, low surface roughness and high coating efficiency, and corrosion resistance. The objectives will be achieved both experimentally and numerically in the following four research tasks: 1. Optimization of enamel materials for durability, particle distribution, and thermal compatibility with steel; 2. Enameling process for coating uniformity, surface roughness, and efficiency without adverse effect on steel properties; 3. Characterization of enamel-coated pipe for microstructure/porosity, chemical adhesion, and corrosion resistance; and 4. System performance of in-situ, enamel-coated pipelines – stress distribution under thermal, external and internal pressure, and stress corrosion cracking.
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