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Basic Compounds For Superalloys

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Basic Compounds for Superalloys

Basic Compounds for Superalloys Book
Author : Joshua Pelleg
Publisher : Elsevier
Release : 2018-06-29
ISBN : 0128162325
Language : En, Es, Fr & De

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Book Description :

Basic Compounds for Superalloys: Mechanical Properties explores the mechanical properties of the iron group based intermetallic compounds that are the basis of super-alloys. Chapters explore tensile tests and compressive stress and hardness and provide detailed considerations that are devoted to time dependent deformation, namely creep and cyclic deformation. In addition, a discussion of the nano-crystalline L12 and B2 structures and their mechanical properties is included. Fracture and failure of these materials in both macro and nano-iron based compounds is also considered. This book is ideal for engineers, scientists and technical personnel who work in materials engineering, materials science, and mechanical and chemical engineering. Provides an in-depth focus on the mechanical properties of Fe- superalloy materials Includes a discussion of the static, time dependent and cyclic deformation properties of macro- and nano materials Reviews how superalloy materials behave under a variety of ‘in-service’ environments and conditions

Estimation of Gamma Phase Composition in Nickel base Superalloys based on Geometric Analysis of a Four component Phase Diagram

Estimation of Gamma Phase Composition in Nickel base Superalloys  based on Geometric Analysis of a Four component Phase Diagram  Book
Author : Robert L. Dreshfield
Publisher :
Release : 1970
ISBN :
Language : En, Es, Fr & De

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Book Description :

The gamma-gamma prime region of the nickel-aluminum-chromium-titanium system at 750' C has been analyzed through the use of phase rule principles and analytic geometry to allow estimation of gamma phase composition when the composition of a two-phase quaternary alloy is known. By application of currently used phase computation methods with the above calculation, the gamma phase composition of several nickel-base super-alloys was estimated and found (except for tungsten) to be in good agreement with compositions for these alloys as reported in the literature.

Euro Superalloys 2010

Euro Superalloys 2010 Book
Author : Martin Heilmaier
Publisher : Trans Tech Publications Ltd
Release : 2011-07-04
ISBN : 303813600X
Language : En, Es, Fr & De

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Book Description :

Volume is indexed by Thomson Reuters CPCI-S (WoS). It is noticeable that superalloys have regained their momentum. The worldwide effort to increase the efficiency and extend the lifetime of energy conversion facilities depends upon improved materials and manufacturing techniques. Materials are now expected to exhibit outstanding mechanical strength and creep resistance at high temperatures, as well as a good corrosion and oxidation resistance. Superalloys have this potential, but many of the commercial grades are still based upon metallurgical concepts that date back to the 1980s, and have typically been exploited so far in only a few prominent areas of application. Improvement in their high-temperature capability, and the adaption of manufacturing processes to new fields of application, present major challenges to current researchers in industry and academia. These papers, published within the context of the first European Symposium on Superalloys, present the current state of progress in the development, production and properties of cast, wrought and powder-metallurgical superalloys and associated coating systems. They represent a timely and invaluable guide to the subject.

The Physical Metallurgy of Cobalt base Superalloys

The Physical Metallurgy of Cobalt base Superalloys Book
Author : H J Wagner,Albert M. Hall
Publisher :
Release : 1962
ISBN :
Language : En, Es, Fr & De

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Book Description :

A detailed picture is presented of the physical and chemical phenomena that affect the behavior of cobalt-base superalloys. Solid-solution strengthening is obtained from the high-melting metallic elements molybdenum, tungsten, tantalum, and columbium. These elements also participate in precipitation reactions involving their carbides. Precipitation of intermetallic compounds such as Ni3Ti is an important process in cobalt alloys containing appreciable amounts of nickel and titanium. The relationships among microstructure, heat treatment, and mechanical properties of the important commercial alloys are considered, and whenever possible, explained on the basis of the physical and chem cal processes that occur. (Author).

Protective Coatings for Turbine Blades

Protective Coatings for Turbine Blades Book
Author : Y. Tamarin
Publisher : ASM International
Release : 2002
ISBN : 1615030700
Language : En, Es, Fr & De

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Book Description :

This book addresses the problem of surface protection for aircraft engine turbine blades. It is based on the author's 30+ years of work on the development and application of coatings to protect against oxidation and hot corrosion. It describes and details a methodology for optimizing turbine blade surface protection. The distinctions of this book from other publications on this topic include: The performance of protective coatings is assessed and evaluated by the complex interconnections of their chemical and phase composition, structure, and physical-mechanical properties; The properties of overlay coatings are given for the wide range of compositions, including the possible coatings states after their production and long-term service; The principles for calculating the stresses and strains for coated turbine blades are reviewed.

Intermetallic Compounds

Intermetallic Compounds Book
Author : Mahmood Aliofkhazraei
Publisher : BoD – Books on Demand
Release : 2018-05-30
ISBN : 1789231787
Language : En, Es, Fr & De

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Book Description :

Intermetallic compounds are usually brittle with high melting points. Their properties are often found among ceramic and metallic materials. In most cases, their hot corrosion resistance and simultaneously hardness are important. One of the main applications of intermetallic compounds is for superalloy turbine blades in which they show appropriate high-temperature-related properties. This book collects new developments about intermetallic compounds and their recent usages.

Cobalt base Superalloys 1970

Cobalt base Superalloys   1970 Book
Author : C. P. Sullivan,Matthew J. Donachie,Facundo Rolf Morral,Centre d'information du cobalt
Publisher :
Release : 1970
ISBN :
Language : En, Es, Fr & De

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Book Description :

Physics Briefs

Physics Briefs Book
Author : N.A
Publisher :
Release : 1992
ISBN :
Language : En, Es, Fr & De

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Book Description :

Preliminary Development of Spectrochemical Analysis of Superalloys with the Liquid layer Solid sample Spark Technique

Preliminary Development of Spectrochemical Analysis of Superalloys with the Liquid layer Solid sample Spark Technique Book
Author : Ramon M. Barnes
Publisher :
Release : 1969
ISBN :
Language : En, Es, Fr & De

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Book Description :

A comparison study is made, for the spectrochemical analysis of cobalt-base superalloys, between the liquid-layer solid-sample spark technique and the conventional point-to-plane spark analysis in air. The changes of analytical concentration curves are indicated for alloying constituents of two developmental cobalt-base alloys, and correlation of the changes to preliminary microscopic, metallographic, and spectroscopic phenomena are hypothesized.

The Microstructure of Superalloys

The Microstructure of Superalloys Book
Author : Madeleine Durand-Charre
Publisher : CRC Press
Release : 1998-02-23
ISBN : 9789056990978
Language : En, Es, Fr & De

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Book Description :

Presents all the main aspects of the microstructure of nickel-base superalloys, and includes micrographs chosen from among a large range of commercial and academic alloys, from the as-cast product to in-situ components, worn from in-service use. Including more than 100 illustrations, the text explains all the transformation mechanisms involved in the origination (creation) of microstructures during solidification or heat treatments (crystallization paths, segregation, crystal orientation, precipitation, TCP, coarsening and rafting, etc.). It includes up-to-date information and data such as phase diagrams, crystallographic structures, and relationships with functional properties. Nearly 300 references provide a key to further investigation.

Superalloys II

Superalloys II Book
Author : Sims,Norman F. Stoloff
Publisher : Wiley-Interscience
Release : 1987-09-07
ISBN :
Language : En, Es, Fr & De

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Book Description :

A comprehensive review of the latest developments in the pursuit of superalloys.

Structural and Chemical Characterization of Metals Alloys and Compounds

Structural and Chemical Characterization of Metals  Alloys and Compounds Book
Author : Ramiro Pérez Campos,Antonio Contreras-Cuevas,Rodrigo A. Esparza Muñoz
Publisher : Trans Tech Publications Ltd
Release : 2013-04-24
ISBN : 303826038X
Language : En, Es, Fr & De

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Book Description :

Volume is indexed by Thomson Reuters CPCI-S (WoS). This special volume of 24 peer reviewed contributions cover up-to-date research results on "Structural and Chemical Characterization of Metals Alloys and Compounds". The structural and chemical characterization of different materials such as metals, alloys, ceramics, steels, composites, polymeric compounds, welding, superalloys, intermetallic compounds, and nanomaterials are included. They were prepared with different techniques. Some important topics addressed were the analytical techniques focused on the microstructural, chemical, optical, electronic, magnetic and mechanical properties of materials.

Superalloys

Superalloys Book
Author : Nataliya V. Kazantseva,Natalia N. Stepanova,Mikhail B. Rigmant
Publisher : CRC Press
Release : 2018-12-07
ISBN : 1351603329
Language : En, Es, Fr & De

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Book Description :

Superalloys form a class of the structural materials for high-temperature applications. Nickel superalloys are extensively used in the high-temperature components of gas turbines due to their excellent creep, fatigue, and corrosion resistance at elevated temperatures. These materials are considered paramagnetic in the range of working temperatures. This book presents the features of the ternary phase diagrams Ni-Al-X (X = {Co, Fe, Nb, Ti, Cr}), effects of the alloying on the long-range order and mechanical properties of the Ni3 Al-based alloys. Description of the strain-induced ferromagnetism in the Ni3Al-based alloys and magnetic control of the failure of gas turbine blades are also included. A separate section is devoted to the analysis of the vibration process and strength change in the single-crystal gas turbine blades. This book includes the review of the new intermetallic cobalt superalloys. The structure, crystal lattice parameters, orientation relationships between phases, mechanical and magnetic properties of the Co3(Al,W)-based alloys are described. Non-destructive magnetic point control of the martensite content in low-magnetic austenitic alloys is a new method for detection of the local sites with internal stresses. This method is useful for the detection of the residual stress in the critical parts of industrial products. This book may be useful for specialists in material science, first-year postgraduate students taking a class in material science and engineering, and engineers developing new alloys for the gas turbine technology.