Materials Development

A comparison of conventional and future advanced materials for gas turbine design and the potential advantages of advanced materials are shown in Tables 10-2 and 10-3.

Nickel-based and cobalt-based superalloys have allowed for greatly increased temperatures and produced high resistance to oxidation and corrosion. Superalloys show great strength and high resistance to oxidation at elevated temperatures as a result of the interaction between the alloy's composition and structure. Various metallurgical and ceramic coatings are also used to provide a surface that is highly resistant to degradation by

Table 10-2 Conventional and Future Advanced Materials for Gas Turbine Design
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