2 edition of Realistic subscale evaluations of the mechanical properties of advanced disk superalloys found in the catalog.
Realistic subscale evaluations of the mechanical properties of advanced disk superalloys
2003 by National Aeronautics and Space Administration, Glenn Research Center, Available from NASA Center for AeroSpace Information in Cleveland, Ohio, Hanover MD .
Written in English
|Statement||Timothy P. Gabb ... [et al.].|
|Series||NASA/TM -- 2002-212086., NASA technical memorandum -- 212086.|
|Contributions||Gabb, Timothy P., NASA Glenn Research Center.|
|The Physical Object|
The Superalloys generally have dynamic moduli of elasticity in the limit of GPa or 30 x 10(6) psi, however moduli of certain polycrystalline alloys varies from to GPa or 25 x 10(6) to 35to 10(6) psi at room temperature on the base of alloy configuration. American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA Nickel-Based Superalloys for Advanced Turbine Engines: Chemistry, Microstructure and PropertiesCited by: Research Interests. Research Unit: Mechanics & Materials. Professor Garay is the principal investigator of a vibrant experimental laboratory called the Advanced Material Processing and Synthesis (AMPS) Lab. Research in the AMPS Lab focuses on advanced material processing and synthesis with particular emphasis on designing the micro/nanostructure of bulk materials for property optimization.
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Realistic Subscale Evaluations of the Mechanical Properties of Advanced Disk Superalloys Timothy R Gabb, John Gayda, and Jack Telesman Glenn Research Center, Cleveland, Ohio Peter T.
Kantzos Ohio Aerospace Institute, Brook Park, Ohio William A. Konkel Konkel Material Consulting, Bellaire, Texas Prepared for the Annual Meeting and ExhibitionCited by: 9. Mechanical properties from an advanced, nickel-base superalloy disk, with a dual grain structure consisting of a fine grain bore and coarse grain rim, were evaluated.
Powder of each alloy was hot compacted, extruded, and isothermally forged into subscale disks. Disks were subsolvus and supersolvus heat treated, then quenched using procedures designed to reproduce the cooling paths expected in large-scale disks.
Mechanical tests. Realistic subscale evaluations of the mechanical properties of advanced disk superalloys (OCoLC) Microfiche version: Realistic subscale evaluations of the mechanical properties of advanced disk superalloys (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type.
Realistic subscale evaluations of the mechanical properties of advanced disk superalloys (OCoLC) Online version: Gabb, Timothy Paul, Realistic subscale evaluations of the mechanical properties of advanced disk superalloys (OCoLC) Material Type: Government publication, National government publication, Internet resource.
Realistic subscale evaluations of the mechanical properties of advanced disk superalloys / by: Gabb, Timothy Paul, Published: () Thermal-mechanical fatigue behavior of nickel-base superalloys final report / by: Pelloux, R. Published: (). Realistic Subscale Evaluations of the Mechanical Properties of Advanced Disk Superalloys By William A.
Konkel, Jack Telesman, Peter T. Kantzos, Timothy P. Gabb and John Gayda Abstract. The main purpose of this paper is to evaluate the mechanical properties of a FGH96 alloy disk with a dual microstructure. FGH96 is a powder metallurgy (P/M) processed Cited by: 2. Evaluation of Mechanical Properties of Aluminium Metal Matrix Reinforced with Silicon Malleswari#1 Padmini.
R2 1,2 Assistant Professor, Department of Industrial Engineering, GIT, GITAM University,Visakhapatnam. Abstract The present work focuses on the influence of silicon embedment on mechanical properties of. The effects of heat treatment and resulting microstructure variations on high temperature mechanical properties were assessed for a powder metallurgy disk superalloy LSHR.
Blanks were consistently supersolvus solution heat treated and quenched at two cooling rates, than aged at varying temperatures and times. Realistic subscale evaluations of the mechanical properties of advanced disk superalloys [microform] / T Effect of reduction of strategic Columbian addition in alloy on the structure and properties [microf A new approximate sum rule for bulk alloy properties [microform] / Guillermo Bozzolo and John Ferrante.
The GEAE report cited a fatigue benefit for a disk with a dual grain structure when compared with a coarse grain disk, while the AADC report cited a creep benefit for a disk with a dual grain structure when compared with a fine grain disk.
One of the advanced heat treatment technologies for producing superalloy disks with a dual grain structure was developed by NASA to minimize cost and. Realistic subscale evaluations of the mechanical properties of advanced disk superalloys / by: Gabb, Timothy Paul, Published: () Creep and rupture strength of an advanced CVD SiC fiber / by: Goldsby, Jon C., et al.
Published: (). The chemical, physical, and mechanical characteristics of nickel-based superalloys are reviewed with emphasis on the use of this class of materials within turbine engines. The role of major and minor alloying additions in multicomponent commercial cast and wrought superalloys is discussed.
Microstructural stability and phases. requires excellent mechanical properties at elevated temperatures. Superalloys are also utilized in the chemical and petrochemical industries apart from the gas turbine industry.
In aircraft gas turbine components these superalloys may find their applications Author: Syed Shehzad Raza. Abstract. A new kind of Ni-Co–base disk alloys, named TMW alloys, has been developed on the basis of our innovative concept. Full-scale pancakes ( mm in diameter and 65 mm in thickness) with an average grain size of about 10 μm were successfully manufactured from TMW alloys by a conventional cast-and-wrought (C&W) processing property assessments of the pancakes Cited by: Meanwhile the mechanical properties of superalloys are highly sensitive to the microstructural evolution during hot deformation.
So the hot deformation behavior of the third generation P/M superalloys is one of the most important research topics in recent by: MANUFACTURING AND MECHANICAL PROPERTIES OF A LARGE SIZE ALLOY DISK BY ESR PROCESSoto, KMorita, and a Steel Casting & Forging Plant, Kobe Steel Ltd.
ShinhamaArai-cho, Takasago,Japan Abstract A large Ni-base superalloy disk for advanced gas turbines was trial manufactured and evaluated. Modelling and Simulation of Superalloys International workshop, September and hands-on tutorials, SeptemberRuhr-Universität Bochum, Germany Superalloys are multi-component materials with complex micro-structures that offer unique properties for high-temperature ap-plications.
This book covers virtually all technical aspects related to the selection, processing, use, and analysis of superalloys. The text of this new second edition has been completely revised and expanded with many new figures and tables added. In developing this new edition, the focus has been on providing comprehensive and practical coverage of superalloys technology.4/5(5).
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 illustrations, the text explains all the transformation mechanisms involved in the origination (creation) of microstructures 3/5(1). Introduction.
The γ′ precipitate strengthened Ni–Cr–Co based P/M superalloy combines excellent oxidation resistance with mechanical properties at high on the published chemical compositions of the typical third generation P/M superalloys, a new Ni–Cr–Co based P/M superalloy was designed with the aid of the thermodynamic calculation results and d-electron Cited by: The chemistry of the Ni-base superalloys used for turbine disks is critiqued by making use of the recently developed Alloys-By-Design computer-based tools.
Compositions within the Ni-Cr-Co-Al-Ti-Mo-W-Ta(-Zr-C-B) design space are evaluated virtually. The assessment is made on the basis of sub-models for yield strength, creep behavior, oxidation resistance, and density; microstructural Cited by: The objective of this work was to establish relationships between alloy microstructure and high temperature mechanical properties such as strength, creep, and creep crack growth in Nickel-base powder metallurgy superalloys.
Systematic variations of super solvus heat-treatments generated test material from three next-generation turbine disc by: 4. NASA/TM— 3. The mechanical properties of the DMHT disk, tensile, creep, fatigue, and crack growth, will be compared with data from subsolvus and supersolvus ME2 alloy generated in NASA’s Advanced Subsonics Transport (AST) Disk Program ( by: 1.
Introduction Nickel base superalloy disks processed by the powder metallurgy (PM) route exhibit a high level of mechanical properties due to their homogeneous fine-grained microstructure and due to high levels of alloying elements which can be added.
A thorough study of the influence of the material anisotropy mistuning and its sensitivity on the characteristics of the forced response is carried out using finite element (FE) modes of anisotropy mistuned realistic bladed disk with nonlinear friction joints of blade roots and shroud : Adam Koscso, Evgeny Petrov.
The Microstructure of Superalloys - CRC Press Book 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. Effect of Microstructure on High-Temperature Mechanical Behavior of Nickel-Base Superalloys for Turbine Disc Applications / T.
Tinga / W.A.M. Brekelmans / M.G.D. Geers Contents note continued: Microstructure and Mechanical Properties of an Advanced Nickel-Based Superalloy in the as-HIP Form / H.J. Sharpe / A.
Saxena. No part of this book may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the written permission of the copyright owner.
First printing, November The editors of Analytical Characterization of Aluminum, Steel, and Superalloys enlist top industry researchers and practitioners from around the world to analyze the methodologies presented in their areas of expertise.
Following traditional metallography methods, the book features an atlas of microstructures for aluminum, steel, and : Hardcover. AD TM is a newly developed Ni-based superalloy for turbine disk applications, with reported superior service properties around °C when compared to Cited by: Diffusion Coatings for High-Temperature Applications on Ni-base Superalloys Supervisor: superalloys operating in aggressive environments are subjected to a number of different attacks, such as, oxidation, hot corrosion, erosion, sulphidising, mechanical properties.
The lower concentration of Al and the loss of surface. Advanced Photonics Journal of Applied Remote Sensing Journal of Astronomical Telescopes, Instruments, and Systems Journal of Biomedical Optics Journal of Electronic Imaging Journal of Medical Imaging Journal of Micro/Nanolithography, MEMS, and MOEMS Journal of Nanophotonics.
MICROSTRUCTURE – MECHANICAL PROPERTY RELATIONSHIPS IN TRANSIENT LIQUID PHASE BONDED NICKEL-BASED SUPERALLOYS AND IRON-BASED ODS ALLOYS Except where reference is made to the work of others, the work described in this dissertation is my own or was done in collaboration with my advisory committee.
"Superalloys: A Technical Guide, 2nd Edition, is well organized and well written and generally up to date. It does a good job of achieving its goal as a technical guide to superalloys and is written at a level that is both educational to those who desire to become more familiar with superalloys as well as a good reference book for those working in the field who are well acquainted with the.
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 by: 4 Superalloys for turbine disc applications Processing of the turbine disc alloys Processing by the cast and wrought route Processing by the powder route Composition, microstructure and properties of turbine disc alloys Guideline 1 Guideline 2 Guideline 3 MODIFIED PWA NICKEL-BASED SUPERALLOY FOR INDUSTRIAL GAS TURBINE APPLICATIONS By Brendan C.
Collins May Chair: Gerhard E. Fuchs Maj or Department: Materials Science and Engineering For years, nickel-based superalloys have been utilized in aircraft engines and industrial gas turbines (IGT). These enhancements include the incorporation of improved weight-calculation routines for the compressor and turbine disks using the finite difference technique.
Furthermore, the stress distribution for various disk geometries was also incorporated, for a life-prediction module to calculate disk Cited by:. Numerical modelling of the microstructure effect on fatigue behaviour of Ni-base superalloys for turbine disk G.
Boittin, F. Gallerneau, D. Locq, P. Kanoute, G. Cailletaud´ Nickel-based alloy like N18 can present various types of precipitate distributions according to the applied heat treatment.Hence to support the development of advanced materials technology for use in an AUSC steam turbine capable of operating with steam conditions of °C (°F) and 35 Mpa ( psia), Casting alloy selection and evaluation of mechanical, metallurgical properties and castability with robust manufacturing methods are mandated.Nickel-base superalloys are the material of choice for turbine discs, which experience some of the highest temperatures and stresses in the engine.
Engine performance is proportional to operating temperatures. Consequently, the high-temperature capabilities of disc materials limit the performance of gas-turbine by: 4.