RESULTS OF PHYSICOCHEMICAL ANALYSIS OF COMPOSITE BITUMEN MASTICATIONS DEVELOPED FOR PROTECTION OF GAS PIPES FROM CORROSION
Authors
Аzizjon Qurbonov, Kucharov Azizbek, Yodgorov Normahmad, Yusupov Farkhod
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The durability and safety of gas pipelines are crucial in industrial applications, particularly for underground and underwater pipelines prone to corrosion. Traditional protective coatings such as fusion-bonded epoxy (FBE) and polyethylene have limitations in long-term stability and adhesion, necessitating advanced alternatives. This study investigates the physicochemical properties of bitumen-based composite mastics modified with Co³⁺ ions to enhance mechanical strength, thermal stability, and corrosion resistance. Experimental analysis includes penetration, softening point, elongation, and thermogravimetric stability tests. The results demonstrate that Co³⁺-modified mastics exhibit up to a 63% increase in thermal stability, 140% enhancement in corrosion resistance, and 20% improvement in water repellency compared to conventional bitumen mastics. Additionally, nanocomposite additives such as graphene and nano-titanium dioxide significantly improve adhesion and environmental resistance. These findings contribute to the development of next-generation protective coatings for gas pipelines, reducing maintenance costs and ensuring long-term operational efficiency.
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Authors
Аzizjon Qurbonov, Kucharov Azizbek, Yodgorov Normahmad, Yusupov Farkhod
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