Investigation of Char Formation and Surface Recession of a Composite Ablation Material with a Silicone-resin Base

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Total Pages : 52 pages
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Book Synopsis Investigation of Char Formation and Surface Recession of a Composite Ablation Material with a Silicone-resin Base by : Allen G. McLain

Download or read book Investigation of Char Formation and Surface Recession of a Composite Ablation Material with a Silicone-resin Base written by Allen G. McLain and published by . This book was released on 1970 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: A composite ablation material containing a silicone- resin base, silica fibers, and phenolic and silica hollow microspheres has been subjected to a wide range of test conditions to study its charring behavior. The ablation tests were performed at stagnationpoint pressures ranging from 0.016 to 1.3 atm and heating rates ranging from 1.34 MW/m2 to 14.8 MW/m2 in air and nitrogen. The resulting char-layer surfaces fell into three categories - black char, glassy-coated char, and gray char - as heating rates (and char surface temperatures) were increased. The char layers formed contained large percentages by weight of silicon dioxide. Silicon carbide was found to be in chars formed at high heating rates. Empirical correlations of surface recession were determined. For the higher heating rates where steady-state ablation was approached, char-layer constituents and mass loss could be predicted adequately with chemical equilibrium in the reactions at the surface assumed.

Investigation of Char Formation and Surface Recession of a Composite Ablation Material with a Silicone-resin Base

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ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.:/5 (575 download)

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Book Synopsis Investigation of Char Formation and Surface Recession of a Composite Ablation Material with a Silicone-resin Base by : Allen G. McLain

Download or read book Investigation of Char Formation and Surface Recession of a Composite Ablation Material with a Silicone-resin Base written by Allen G. McLain and published by . This book was released on 1970 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: A composite ablation material containing a silicone- resin base, silica fibers, and phenolic and silica hollow microspheres has been subjected to a wide range of test conditions to study its charring behavior. The ablation tests were performed at stagnationpoint pressures ranging from 0.016 to 1.3 atm and heating rates ranging from 1.34 MW/m2 to 14.8 MW/m2 in air and nitrogen. The resulting char-layer surfaces fell into three categories - black char, glassy-coated char, and gray char - as heating rates (and char surface temperatures) were increased. The char layers formed contained large percentages by weight of silicon dioxide. Silicon carbide was found to be in chars formed at high heating rates. Empirical correlations of surface recession were determined. For the higher heating rates where steady-state ablation was approached, char-layer constituents and mass loss could be predicted adequately with chemical equilibrium in the reactions at the surface assumed.

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 356 pages
Book Rating : 4.:/5 (31 download)

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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 1970 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalogue, United States Public Documents

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ISBN 13 :
Total Pages : 1730 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Monthly Catalogue, United States Public Documents by :

Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1970 with total page 1730 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalog of United States Government Publications, Cumulative Index

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ISBN 13 :
Total Pages : 1504 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Monthly Catalog of United States Government Publications, Cumulative Index by : United States. Superintendent of Documents

Download or read book Monthly Catalog of United States Government Publications, Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1979 with total page 1504 pages. Available in PDF, EPUB and Kindle. Book excerpt:

NASA Technical Note

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ISBN 13 :
Total Pages : 540 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis NASA Technical Note by :

Download or read book NASA Technical Note written by and published by . This book was released on 1970 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bibliography of Scientific and Industrial Reports

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ISBN 13 :
Total Pages : 922 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Bibliography of Scientific and Industrial Reports by :

Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1970 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applied Mechanics Reviews

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ISBN 13 :
Total Pages : 300 pages
Book Rating : 4.:/5 (26 download)

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Book Synopsis Applied Mechanics Reviews by :

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1972 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Corrosion Abstracts

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ISBN 13 :
Total Pages : 562 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Corrosion Abstracts by :

Download or read book Corrosion Abstracts written by and published by . This book was released on 1973 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Demonstration of the Range Over which the Langley Research Center Digital Computer Charring Ablation Program (CHAP) Can be Used with Confidence

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ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Demonstration of the Range Over which the Langley Research Center Digital Computer Charring Ablation Program (CHAP) Can be Used with Confidence by : Carl Bailey Moyer

Download or read book Demonstration of the Range Over which the Langley Research Center Digital Computer Charring Ablation Program (CHAP) Can be Used with Confidence written by Carl Bailey Moyer and published by . This book was released on 1972 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:

NASA Contractor Report

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ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis NASA Contractor Report by :

Download or read book NASA Contractor Report written by and published by . This book was released on 1980 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Cumulative Title Index to United States Public Documents, 1789-1976

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ISBN 13 :
Total Pages : 686 pages
Book Rating : 4.:/5 (321 download)

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Book Synopsis Cumulative Title Index to United States Public Documents, 1789-1976 by : Daniel W. Lester

Download or read book Cumulative Title Index to United States Public Documents, 1789-1976 written by Daniel W. Lester and published by . This book was released on 1980 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bibliography on Fibers and Composite Materials--1969-1972

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ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.3/5 (97 download)

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Book Synopsis Bibliography on Fibers and Composite Materials--1969-1972 by : J. N. Fleck

Download or read book Bibliography on Fibers and Composite Materials--1969-1972 written by J. N. Fleck and published by . This book was released on 1972 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: The bibliography contains over 3000 references, including translated items from Japan, West Germany, U.S.S.R., and other countries as well as references of original English language publications of the United States and United Kingdom. The references are categorized by specific fiber and matrix materials. In addition, many references are grouped in the general categories of compatibility studies, theory and design, testing and evaluation, application, and fabrication. A group of references to general review articles is included. The references represent the holdings of the former Defense Ceramic Information Center (DCIC) plus those of the Fibers and Composites Center (FCIC) at Battelle's Columbus Laboratories and MCIC. (Author).

Proceedings

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ISBN 13 :
Total Pages : 1378 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Proceedings by :

Download or read book Proceedings written by and published by . This book was released on 1973 with total page 1378 pages. Available in PDF, EPUB and Kindle. Book excerpt:

NBS Special Publication

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ISBN 13 :
Total Pages : 996 pages
Book Rating : 4.:/5 (41 download)

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Book Synopsis NBS Special Publication by :

Download or read book NBS Special Publication written by and published by . This book was released on 1970 with total page 996 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Space Simulation

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ISBN 13 :
Total Pages : 988 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Space Simulation by : Joseph C. Richmond

Download or read book Space Simulation written by Joseph C. Richmond and published by . This book was released on 1970 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt:

U.S. Government Research & Development Reports

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ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis U.S. Government Research & Development Reports by :

Download or read book U.S. Government Research & Development Reports written by and published by . This book was released on 1971 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: