Скачать или смотреть Introduction to Corrosion Engineering Fundamentals | Chapter 1 – Corrosion-Engineering (3rd)

This introductory chapter establishes the immense economic and safety implications of material degradation, highlighting that the financial burden of corrosion in the United States reaches into the tens of billions of dollars annually. Beyond direct monetary loss, the text explores the depletion of natural resources and the energy-intensive process required to replace corroded infrastructure, such as bridges, pipelines, and chemical processing plants. Corrosion is defined broadly as the deterioration of a material—including metals, polymers, and ceramics—resulting from chemical or electrochemical interactions with its surrounding environment. The process is characterized as extractive metallurgy in reverse, where refined metals naturally seek to return to their stable oxide states, a common example being the formation of rust on steel. The role of the corrosion engineer is presented as a multidisciplinary endeavor requiring expertise in chemistry, metallurgy, and economics to balance industrial safety with cost-effective prevention strategies. Various corrosive environments are analyzed, ranging from atmospheric moisture and seawater to aggressive industrial acids and high-temperature gases. The chapter further categorizes damage into several critical areas, including aesthetic degradation, increased maintenance costs, unexpected plant shutdowns, product contamination, and severe safety risks like explosions or toxic leaks. It distinguishes between wet corrosion, which involves aqueous electrolytes, and dry corrosion, which typically occurs in the absence of liquid at high temperatures. Looking forward, the discipline emphasizes the necessity of integrating corrosion control into the initial design phase of projects and highlights the growing legal liabilities and product liability trends manufacturers face regarding material failure.


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