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Advances In Static And Dynamic High Temperature Strain Gage Research
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Book Synopsis Advances in Static and Dynamic High Temperature Strain Gage Research by : Richard H. Kemp
Download or read book Advances in Static and Dynamic High Temperature Strain Gage Research written by Richard H. Kemp and published by . This book was released on 1958 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: A static high-temperature strain gage using Karma wire and either Quigley 1925 or Brimor U529 ceramics has been found to be satisfactory for measuring static strains at temperatures up to 800 F. The gage can be used in situations involving variable temperatures as well as a constant temperature during the loading and unloading cycles. For dynamic strain measurements at temperatures up to 1500 F, a coating material developed by the U. S. Army Corps of Engineers at the Fort Belvoir Laboratories has been found to be superior to other cements tested. A high degree of success has been obtained with this material in mounting gages on turbine blades and combustor liners of turbojet engines.
Book Synopsis Development of High-temperature Strain Gages by : J. W. Pitts
Download or read book Development of High-temperature Strain Gages written by J. W. Pitts and published by . This book was released on 1961 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: A summary is presented of a research program aimed at the improvement of high-temperature strain gages of the electrical resistance type. Potential ceramic and metal components were evaluated and a gage was devised that was based on these evaluations. This gage (NBS 5B) was flexible and easy to install; however, it lacked resistance stability at higher temperatures. In an attempt to minimize this deficiency, ceramic cements were developed that showed greater electrical resistivity than had been previously observed in the range 800 to 1800 degrees Fahrenheit; also, a technique was devised for increasing the resistance to ground by applying a fired-on ceramic coating to the grid of a specifically developed unbacked gage. A study was made of the cause of the erratic response of cemented gages that had not been preheated prior to use. There were strong indications that the erratic response was caused mostly by the rapid decrease in resistance that accompanied structural changes in the cement.
Author :Naval Air Material Center, Philadelphia. Aeronautical Structures Laboratory Publisher :ASTM International ISBN 13 : Total Pages :170 pages Book Rating :4./5 ( download)
Book Synopsis Syposium on Elevated Temperature Strain Gages by : Naval Air Material Center, Philadelphia. Aeronautical Structures Laboratory
Download or read book Syposium on Elevated Temperature Strain Gages written by Naval Air Material Center, Philadelphia. Aeronautical Structures Laboratory and published by ASTM International. This book was released on 1958 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NBS Monograph written by and published by . This book was released on 1961 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Note - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Technical Note - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1958 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report written by and published by . This book was released on 1953 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Note by : United States. National Advisory Committee for Aeronautics
Download or read book Technical Note written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1958 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Temperature Static Strain Gage Development Contract by : Charles O. Hulse
Download or read book High Temperature Static Strain Gage Development Contract written by Charles O. Hulse and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Highlights of the Global Modeling and Simulation Branch for 1986-1987 by : Wayman E. Baker
Download or read book Research Highlights of the Global Modeling and Simulation Branch for 1986-1987 written by Wayman E. Baker 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 with total page 1050 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Static and Dynamic Strain Measurement at Ambient and Elevated Temperatures Using an Extrinsic Fabry-Perot Interferometer (EFPI) Optical Strain Sensor by : James Taylor
Download or read book Static and Dynamic Strain Measurement at Ambient and Elevated Temperatures Using an Extrinsic Fabry-Perot Interferometer (EFPI) Optical Strain Sensor written by James Taylor and published by . This book was released on 2015 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in the testing of high temperature materials for aerospace structures and propulsion components requires a thorough characterization of mechanical behavior under combined thermal, mechanical, and acoustic loading. The ability to stably measure static strain in such materials is a historically difficult challenge, especially in applications where an extensometer cannot be used. Recent research in the Aerospace Systems Directorate of the Air Force Research Laboratory is establishing a capability for the reliable measurement of mechanical strain at temperatures up to 650°C (1200°F) on metals and above 870°C (1600°F) on ceramic composite materials. Sensor testing on both coupons and structural components has been demonstrated. Quasi-static strain measurement was achieved without the metallurgical drift or high thermal sensitivity of commercially available resistive strain gages. In addition to static measurements, dynamic strain measurement at moderate strain rates was also achieved, as was static strain measurement in the presence of high level broadband acoustic excitation.
Book Synopsis High Temperature Strain Gage Research by : Francis G. Tatnall
Download or read book High Temperature Strain Gage Research written by Francis G. Tatnall and published by . This book was released on 1955 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Report of the National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Annual Report of the National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1958 with total page 1516 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes the Committee's Technical reports no. 1-1058, reprinted in v. 1-37.
Book Synopsis Simplified Method for Determination of Critical Height of Distributed Roughness for Boundary-layer Transition at Mach Numbers from 0 to 5 by : Albert L. Braslow
Download or read book Simplified Method for Determination of Critical Height of Distributed Roughness for Boundary-layer Transition at Mach Numbers from 0 to 5 written by Albert L. Braslow and published by . This book was released on 1958 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: The method has been applied to various types of configurations in several wind-tunnel investigations conducted by the National Advisory Committee for Aeronautics at Mach numbers up to 4, and in all cases the calculated roughness height caused premature boundary-layer transition for the range of test conditions.
Download or read book Strain Gage Readings written by and published by . This book was released on 1963 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Temperature Strain Gage Technology for Gas Turbine Engines by : National Aeronautics and Space Adm Nasa
Download or read book High Temperature Strain Gage Technology for Gas Turbine Engines written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2018-10-21 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes the results of a six month study that addressed specific issues to transfer the Pd-13Cr static strain sensor to a gas turbine engine environment. The application issues that were addressed include: (1) evaluation of a miniature, variable potentiometer for use as the ballast resistor, in conjunction with a conventional strain gage signal conditioning unit; (2) evaluation of a metal sheathed, platinum conductor leadwire assembly for use with the three-wire sensor; and (3) subjecting the sensor to dynamic strain cyclic testing to determine fatigue characteristics. Results indicate a useful static strain gage system at all temperature levels up to 1350 F. The fatigue characteristics also appear to be very promising, indicating a potential use in dynamic strain measurement applications. The procedure, set-up, and data for all tests are presented in this report. This report also discusses the specific strain gage installation technique for the Pd-13Cr gage because of its potential impact on the quality of the output data. Fichtel, Edward J. and Mcdaniel, Amos D. Unspecified Center NAS3-25952...
Book Synopsis Development and Application of High-Temperature Strain Gages for Stress Measurements in Jet Engines by : B. R. Anderson
Download or read book Development and Application of High-Temperature Strain Gages for Stress Measurements in Jet Engines written by B. R. Anderson and published by . This book was released on 1958 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper covers recent advancements in the development and application of high-temperature strain gages for stress measurements in jet engines. Development of high-temperature strain gages can be divided into three areas: (1) alloys, (2) cements, and (3) fabrication and application techniques. In the Aircraft Gas Turbine Division, the measurement of vibratory stress and static stress are both of primary importance. For vibratory stress measurement, a high-temperature strain gage has been developed which will operate at temperatures up to 1500 F continuously and up to 1800 F for short periods of time. For static stress measurement, a self-temperature -- compensating, high -- temperature strain gage has been developed for application on specific alloys up to 850 F. Developments to increase the temperature range of both of these gages are under way.
