In recent years there has been rapid development in the replacement of coal and gas powered electricity generation through the introduction of alternative renewable energy sources. Renewable energy sources for power production do not leave a large carbon footprint on the planet as do fossil fuel power plants. Some alternative energy power plants employ low cost materials such as carbon steel which are replaced if they fail due to corrosion. However, life cycle costing of alternative materials demonstrates that this approach is not cost-effective in the long term. Renewable energy production is a demanding and challenging area of materials technology for which corrosion-resistant alloys and special metals are often well suited.
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