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Burst Testing Of A Superalloy Disk With A Dual Grain Structure
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721525324 Total Pages :28 pages Book Rating :4.5/5 (253 download)
Book Synopsis Burst Testing of a Superalloy Disk with a Dual Grain Structure by : National Aeronautics and Space Administration (NASA)
Download or read book Burst Testing of a Superalloy Disk with a Dual Grain Structure written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-20 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Room temperature burst testing of an advanced nickel-base superalloy disk with a dual grain structure was conducted. The disk had a fine grain bore and a coarse grain rim. The results of this test showed that the disk burst at 39,100 rpm in line with predictions based on a 2-D finite element analysis. Further, significant growth of the disk was observed before failure which was also in line with predictions. Gayda, John and Kantzos, Pete Glenn Research Center NASA/TM-2002-211868, NAS 1.15:211868, E-13550
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721606788 Total Pages :30 pages Book Rating :4.6/5 (67 download)
Book Synopsis High Temperature Burst Testing of a Superalloy Disk with a Dual Grain Structure by : National Aeronautics and Space Administration (NASA)
Download or read book High Temperature Burst Testing of a Superalloy Disk with a Dual Grain Structure written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-20 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elevated temperature burst testing of a disk with a dual grain structure made from an advanced nickel-base superalloy, LSHR, was conducted. The disk had a fine grain bore and coarse grain rim, produced using NASA's low cost DMHT technology. The results of the spin testing showed the disk burst at 42 530 rpm in line with predictions based on a 2-D finite element analysis. Further, significant growth of the disk was observed before failure which was also in line with predictions. Gayda, J. and Kantzos, P. Glenn Research Center NASA/TM-2004-212884, E-14298
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721002108 Total Pages :44 pages Book Rating :4.0/5 (21 download)
Book Synopsis Spin Testing of Superalloy Disks with Dual Grain Structure by : National Aeronautics and Space Administration (NASA)
Download or read book Spin Testing of Superalloy Disks with Dual Grain Structure written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-11 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 24-month program was a joint effort between Allison Advanced Development Company (AADC), General Electric Aircraft (GEAE), and NASA Glenn Research Center (GRC). AADC led the disk and spin hardware design and analysis utilizing existing Rolls-Royce turbine disk forging tooling. Testing focused on spin testing four disks: two supplied by GEAE and two by AADC. The two AADC disks were made of Alloy 10, and each was subjected to a different heat treat process: one producing dual microstructure with coarse grain size at the rim and fine grain size at the bore and the other produced single fine grain structure throughout. The purpose of the spin tests was to provide data for evaluation of the impact of dual grain structure on disk overspeed integrity (yielding) and rotor burst criteria. The program culminated with analysis and correlation of the data to current rotor overspeed criteria and advanced criteria required for dual structure disks.Hefferman, Tab M.Glenn Research CenterSPIN TESTS; HEAT RESISTANT ALLOYS; DESIGN ANALYSIS; ROTORS; FINE STRUCTURE; GRAIN SIZE; TURBINES; DATA CORRELATION; FORGING
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721506347 Total Pages :30 pages Book Rating :4.5/5 (63 download)
Book Synopsis High Temperature Spin Testing of a Superalloy Disk with a Dual Grain Structure by : National Aeronautics and Space Administration (NASA)
Download or read book High Temperature Spin Testing of a Superalloy Disk with a Dual Grain Structure written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-20 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comparative spin tests were run on superalloy disks at an elevated temperature to determine the benefits of a DMHT disk, with a fine grain bore and coarse grain rim, versus a traditional subsolvus disk with a fine grain structure in the bore and rim. The results of these tests showed that the DMHT disk exhibited significantly lower growth at 1500 F. Further, the results of these tests could be accurately predicted using a 2D viscoelastic finite element analysis. These results indicate DMHT technology can be used to extend disk operating temperatures when compared to traditional subsolvus heat treatment options for superalloy disks. However, additional research is required to ensure the safe operation of a DMHT disk under more realistic engine operating conditions. This includes testing to determine the burst margin and cyclic capability of DMHT disks in a spin pit, at a minimum, and ultimately running an engine test with a DMHT disk. Gayda, John and Kantzos, Pete Glenn Research Center NASA/TM-2002-211684, NAS 1.15:211684, E-13412
Download or read book Superalloys 2012 written by Eric S. Huron and published by John Wiley & Sons. This book was released on 2012-10-02 with total page 952 pages. Available in PDF, EPUB and Kindle. Book excerpt: A superalloy, or high-performance alloy, is an alloy that exhibits excellent mechanical strength at high temperatures. Superalloy development has been driven primarily by the aerospace and power industries. This compilation of papers from the Twelfth International Symposium on Superalloys, held from September 9-13, 2012, offers the most recent technical information on this class of materials.
Book Synopsis High Temperature Spin Testing of a Superalloy Disk With a Dual Grain Structure by :
Download or read book High Temperature Spin Testing of a Superalloy Disk With a Dual Grain Structure written by and published by . This book was released on 2002 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 2004 with total page 1102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Progress in Light Metals, Aerospace Materials and Superconductors by : Siyuan Long
Download or read book Progress in Light Metals, Aerospace Materials and Superconductors written by Siyuan Long and published by Trans Tech Publications. This book was released on 2007 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: This immense 4 volume set comprises 495 peer-reviewed papers, divided into four parts: Magnesium (Part 1), Aluminum Alloys (Part 2), Aerospace Materials (Part 3) and Superconducting and Functional Materials (Part 4).
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721831319 Total Pages :36 pages Book Rating :4.8/5 (313 download)
Book Synopsis Burst Testing and Analysis of Superalloy Disks with a Dual Grain Microstructure by : National Aeronautics and Space Administration (NASA)
Download or read book Burst Testing and Analysis of Superalloy Disks with a Dual Grain Microstructure written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-24 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elastic-plastic finite element analyses of room temperature burst tests on four superalloy disks were conducted and reported in this paper. Two alloys, Rene 104 (General Electric Aircraft Engines) and Alloy 10 (Honeywell Engines & Systems), were studied. For both alloys an advanced dual microstructure disk, fine grain bore and coarse grain rim, were analyzed and compared with conventional disks with uniform microstructures, coarse grain for Rene 104 and fine grain for Alloy 10. The analysis and experimental data were in good agreement up to burst. At burst, the analysis underestimated the speed and growth of the Rene 104 disks, but overestimated the speed and growth of the Alloy 10 disks. Fractography revealed that the Alloy 10 disks displayed significant surface microcracking and coalescence in comparison to Rene 104 disks. This phenomenon may help explain the differences between the Alloy 10 disks and the Rene 104 disks, as well as the observed deviations between analytical and experimental data at burst. Gayda, John and Kantzos, Pete Glenn Research Center NASA/TM-2006-214462, E-15726
Download or read book Research and Technology 2002 written by and published by . This book was released on 2003 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis Superalloys by : Matthew J. Donachie
Download or read book Superalloys written by Matthew J. Donachie and published by ASM International. This book was released on 2002 with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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. Some highlights include the most complete and up-to-date presentation available on alloy melting. Coverage of alloy selection provides many tips and guidelines that the reader can use in identifying an appropriate alloy for a specific application. The relation of properties and microstructure is covered in more detail than in previous books.
Download or read book Metals Abstracts written by and published by . This book was released on 1995 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Superalloys written by Roger C. Reed and published by Cambridge University Press. This book was released on 2008-07-31 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: Superalloys are unique high-temperature materials used in gas turbine engines, which display excellent resistance to mechanical and chemical degradation. This book introduces the metallurgical principles which have guided their development. Suitable for graduate students and researchers, it includes exercises and additional resources at www.cambridge.org/9780521859042.
Book Synopsis Engine Structures: A Bibliography of Lewis Research Center's Research for 1980-1987 by :
Download or read book Engine Structures: A Bibliography of Lewis Research Center's Research for 1980-1987 written by and published by . This book was released on 1988 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1977 with total page 1006 pages. Available in PDF, EPUB and Kindle. Book excerpt:
