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Burst Testing And Analysis Of Superalloy Disks With A Dual Grain Microstructure
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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
Book Synopsis Burst Testing and Analysis of Superalloy Disks with a Dual Grain Microstructure by : John Gayda
Download or read book Burst Testing and Analysis of Superalloy Disks with a Dual Grain Microstructure written by John Gayda and published by . This book was released on 2006 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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
Book Synopsis Burst Testing of a Superalloy Disk with a Dual Grain Structure by : John Gayda
Download or read book Burst Testing of a Superalloy Disk with a Dual Grain Structure written by John Gayda and published by . This book was released on 2002 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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
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:
Book Synopsis Burst Testing of a Superalloy Disk with a Dual Grain Structure ... Nasa/tm--2002-211868 ... National Aeronautics and Space Administration ... a by :
Download or read book Burst Testing of a Superalloy Disk with a Dual Grain Structure ... Nasa/tm--2002-211868 ... National Aeronautics and Space Administration ... a written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Mechanical Properties of a Superalloy Disk With a Dual Grain Structure by :
Download or read book Mechanical Properties of a Superalloy Disk With a Dual Grain Structure written by and published by . This book was released on 2003 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research & Technology 2002 written by and published by DIANE Publishing. This book was released on with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Superalloys 2020 written by Sammy Tin and published by Springer Nature. This book was released on 2020-08-28 with total page 1098 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 14th International Symposium on Superalloys (Superalloys 2020) highlights technologies for lifecycle improvement of superalloys. In addition to the traditional focus areas of alloy development, processing, mechanical behavior, coatings, and environmental effects, this volume includes contributions from academia, supply chain, and product-user members of the superalloy community that highlight technologies that contribute to improving manufacturability, affordability, life prediction, and performance of superalloys.
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:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781719502153 Total Pages :70 pages Book Rating :4.5/5 (21 download)
Book Synopsis The Mechanical Properties of Candidate Superalloys for a Hybrid Turbine Disk by : National Aeronautics and Space Administration (NASA)
Download or read book The Mechanical Properties of Candidate Superalloys for a Hybrid Turbine Disk written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-05-23 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: The mechanical properties of several cast blade superalloys and one powder metallurgy disk superalloy were assessed for potential use in a dual alloy hybrid disk concept of joined dissimilar bore and web materials. Grain size was varied for each superalloy class. Tensile, creep, fatigue, and notch fatigue tests were performed at 704 to 815 degC. Typical microstructures and failure modes were determined. Preferred materials were then selected for future study as the bore and rim alloys in this hybrid disk concept. Powder metallurgy superalloy LSHR at 15 micron grain size and single crystal superalloy LDS-1101+Hf were selected for further study, and future work is recommended to develop the hybrid disk concept. Gabb, Timothy P. and MacKay, Rebecca A. and Draper, Susan L. and Sudbrack, Chantal K. and Nathal, Michael V. Glenn Research Center HEAT RESISTANT ALLOYS; FATIGUE TESTS; POWDER METALLURGY; CAST ALLOYS; MECHANICAL PROPERTIES; MICROSTRUCTURE; TURBINES; GRAIN SIZE; CAVITIES
Download or read book Superalloys II written by Soran Birosca and published by Trans Tech Publications Ltd. This book was released on 2020-08-21 with total page 519 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aggregated Book
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).
