• Stefano Gialanella
  • Alessio Malandruccolo
Part of the Topics in Mining, Metallurgy and Materials Engineering book series (TMMME)


When dealing with metallic alloys, a chapter on high-temperature corrosion is mandatory. Oxidation and hot corrosion are the main phenomenological aspects interesting for gas turbine engine alloys. The reactions of the base metals and coatings with the outer atmosphere, the exhaust gas flow from the combustion chamber, the salt deposit, both liquid and solid, resulting from the condensation of corrosive products, induce important changes in the crystallo-chemical features of the alloy outer layers. The obvious consequences of these changes on the structural and aerodynamic properties of the component render the effects of high-temperature corrosion as important life-limiting factors, and this justifies the relevant research interests. Although high-temperature corrosion is the main topic of the chapter, the general principles of aqueous corrosion are also recalled. Aluminum, magnesium, and other alloys used in aircraft structures may suffer from corrosive phenomena due to the exposure to standard service environmental conditions, not involving high temperatures necessarily. Therefore, general principles of electrochemical corrosion will be recalled, explained, and supported by relevant case histories. Some of the principles exposed in the first section will be useful anyway for the treatment of specific issues of high-temperature corrosion, considered in the second section.


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Further Reading

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Stefano Gialanella
    • 1
  • Alessio Malandruccolo
    • 2
  1. 1.Industrial Engineering DepartmentUniversity of TrentoTrentoItaly
  2. 2.Metallurgy Industrial ConsultantBolzanoItaly

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