Just
Released Title from ASM
Superalloys:
Alloying and Performance
Author: Authors: Blaine Geddes,
Hugo Leon, and Xiao Huang
Published: 2010
Pages: 120 (Approx) Price: $ 95
Table of Contents
This practical guide provides an
introduction for understanding the compositional complexity of superalloys superalloy and the wide
range
of alloys developed for specific applications. The
basics of alloying, strengthening mechanisms, and structure of superalloys are explained
in optimizing particular mechanical properties,
oxidation/corrosion resistance, and manufacturing characteristics such as castability,
forgeability, and weldability.
Table of Contents
1.Introduction
Historical Development
Applications of Superalloys
in gas turbines
2. Overview of Superalloys
Nickel-Iron-based Alloys
Precipitation hardened Ni-Fe Alloys
Low Thermal Expansion Superalloys
Cobalt-based Superalloys
Nickel-based Superalloys
3. Strengthening Mechanisms
Solid-Solution Hardening
Precipitation Hardening
Oxide Dispersion Strengthening
Carbide Hardening
4. Phases and Microstructure of Superalloys
Matrix Phase
Geometrically Close-Packed Phases (?’
and ?’’)
Carbides
Borides
Oxides
Nitrides
Sulpho-carbides
Topologically Close-packed Phases
Rafting
Microstructural Modifications through Heat Treatment
Directionally Solidified Superalloys
5. Compositional Effects
Typical Compositional Ranges
Base Elements-Fe, Co, Ni
Chromium
Aluminum
Titanium
Refractory Elements
Grain Boundary Elements
Reactive Elements
Oxides
Trace Elements
6. Considerations in the Selection of
a Superalloy
Resistance to Hot Corrosion
Resistance to Oxidation
Machinability
Forging
Casting
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