Nickel-Based Superalloys

For over eight decades now, superalloys have provided the most reliable and cost-effective means to meet the operation requirement of high temperature and stress for aeroengine and industrial gas turbine. Nickel-based superalloys achieve the highest temperature and stress combination performance amo...

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Bibliographic Details
Published inReference Module in Materials Science and Materials Engineering
Main Authors Liu, Lin, Zhang, Jun, Ai, Cheng
Format Book Chapter
LanguageEnglish
Published Elsevier Inc 2015
Subjects
Additive manufacturing
Aero-engine
Composition
Directional solidification
Heat treating
Industrial gas turbine
Investment casting
Mechanical property
Microstructure
Nickel-based superalloy
Powder metallurgy
Single crystal
Strengthening mechanism
Thermal barrier coatings
Vacuum induction melting
Composition
Directional solidification
Investment casting
Mechanical property
Additive manufacturing
Powder metallurgy
Single crystal
Industrial gas turbine
Thermal barrier coatings
Aero-engine
Nickel-based superalloy
Vacuum induction melting
Heat treating
Microstructure
Strengthening mechanism
Online AccessGet full text
ISBN9780128035818
0128035811
DOI10.1016/B978-0-12-803581-8.12093-4

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Summary:For over eight decades now, superalloys have provided the most reliable and cost-effective means to meet the operation requirement of high temperature and stress for aeroengine and industrial gas turbine. Nickel-based superalloys achieve the highest temperature and stress combination performance among all kinds of superalloys, making them ideal for the most demanding applications, such as critical component of turbine disk and blade. This article presents an overview on nickel-based superalloys and summarizes their current research and application. The topics cover composition, phases and microstructures, metallurgical principles of various strengthening, processing methods including melting, casting, forging, heat treating, powder metallurgy and thermal barrier coating. It also describes the principles and processes of component production with different metallurgical methods, including an upcoming technology of additive manufacturing. The development trends of nickel-based superalloys and some potential alternative metallic materials with higher temperature capacity beyond nickel-based superalloys are prospected.
ISBN:9780128035818
0128035811
DOI:10.1016/B978-0-12-803581-8.12093-4