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Sunday, July 19, 2020 | History

2 edition of Reinforced carbon-carbon oxidation behavior in convective and radiative environments found in the catalog.

Reinforced carbon-carbon oxidation behavior in convective and radiative environments

Donald M. Curry

Reinforced carbon-carbon oxidation behavior in convective and radiative environments

by Donald M. Curry

  • 72 Want to read
  • 10 Currently reading

Published by National Aeronautics and Space Administration, Scientific and Technical Information Office, for sale by the National Technical Information Service in [Washington], Springfield, Va .
Written in English

    Subjects:
  • Shielding (Heat),
  • Carbon compounds.,
  • Reusable space vehicles.

  • Edition Notes

    StatementDonald M. Curry, Lyndon B. Johnson Space Center, K. J. Johansen, Vought Corporation, Emily W. Stephens, Lyndon B. Johnson Space Center.
    SeriesNASA technical paper ; 1284, NASA technical paper -- 1284.
    ContributionsJohansen, K. J. 1948-, Stephens, Emily W., United States. National Aeronautics and Space Administration. Scientific and Technical Information Office., Lyndon B. Johnson Space Center., Vought Corporation.
    The Physical Object
    Paginationiv, 26 p. :
    Number of Pages26
    ID Numbers
    Open LibraryOL17538060M

    Tensile strength and creep behavior of a 2D laminate carbon-carbon composite (C/C) were examined from room temperature to K in an inert atmosphere. The tensile strength of the C/C was monotonically enhanced with increasing test temperatures. In particular, significant improvement was observed at temperatures higher than K. In this. displacementdomesticity.com · Last modified: /06/03 by dmitri_kopeliovich Except where otherwise noted, this work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike License.

    This paper is concerned with modeling of ablation behavior of carbon-carbon composites used in hot spot areas of reentry space and hypersonic vehicles. Of the three modes of ablation (thermal, chemical and mechanical), the chemical (oxidation) is considered to influence the performance of the material. May 01,  · Read "The effect of heat-treatment temperature on structure and properties of TiB 2 /C composites, Carbon" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

    Jun 01,  · The effect of low-level oxidation (weight loss less than 6wt.%) on mechanical property of two-dimension (2D) carbon/carbon (C/C) composites was investigated in present work. C/C samples were oxidized in a mixture gas, composed of 10vol%O2 and 90vol%N2, at temperatures of °C and °C, respectively. The strength of C/C composites before and after oxidation was measured by Author: Long Li, Xie Rong Zeng, He Jun Li, Xin Bo Xiong, Xiao Hua Li, Sheng Hui Xie. Read "Carbon-carbon composites: a summary of recent developments and applications, materials & design" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.


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Reinforced carbon-carbon oxidation behavior in convective and radiative environments by Donald M. Curry Download PDF EPUB FB2

Get this from a library. Reinforced carbon-carbon oxidation behavior in convective and radiative environments. [Donald M Curry; K J Johansen; Emily W Stephens; United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.; Lyndon B.

Johnson Space Center.; Vought Corporation.]. Simulation of Carbon–Carbon Crack Growth Due to Carbon Oxidation at High Temperatures Reinforced carbon-carbon oxidation behavior in convective and radiative environments This book is a.

This report is on oxidation microstructures observed in the reinforced carbon/carbon (RCC) used for the thermal protection of the wing leading edge and nose cap of the Space Shuttle Orbiter.

Consider first unprotected carbon/carbon. There is extensive literature on the oxidation of these materials. Oxidation begins to be significant Cited by: Printed in Great Britain OXIDATION BEHAVIOR OF CARBON-CARBON COMPOSITES HEH-WON CHANG and ROBERT M. RUSNAK Bendix Research Laboratories, Southfield.

MIU.S.A. (^ca'M-d 4 DeMM^er)) Abstract—This study investigates the oxidation mechanisms of carbon-carbon composite materials of the type used for aircraft displacementdomesticity.com by: Apr 01,  · Carbon fiber-reinforced carbon (C/C) is a composite material consisting of carbon fiber reinforcement in a matrix of graphite.

The material is dedicated to very high-performance and high-cost applications, mainly in the domain of aerospace technology. The oxidation of SiC-protected carbon/carbon through machined slots and naturally occurring craze cracks in the SiC was studied.

The slot and crack geometries were characterized, and the. Functionally graded materials (FGMs) are composite materials in which the properties are varied continuously from one face to the other via a compositional gradient. Functionally graded structures can be found in nature as evident in the cross-sections of bone, teeth and many plant stems, for example bamboo.

Initially conceived for the purpose of thermal barrier coatings on spaceplanes, FGMs Cited by: 1. RCC - Reinforced carbon-carbon. Looking for abbreviations of RCC. It is Reinforced carbon-carbon.

Reinforced carbon-carbon listed as RCC. Reinforced carbon-carbon; Reinforced Cement Concrete; reinforced column; Reinforced Concret Pipe; reinforced. Reinforced Carbon-Carbon (RCC) Panels T he Vision for Space Explora- tion is being made a reality by the Space Shuttle Program at Kennedy Space Center.

During re-entry into Earth’s atmo-sphere, the Space Shuttle travels more than 17, miles per hour. Exterior surface temperatures can reach up to 3, degrees Fahrenheit.

Carbon/carbon composites (C/C composites) possess superior characteristics of low density, high strength, extremely low coefficient of thermal expansion, and high fatigue resistance.

In carbonization process, the high-temperature pyrolysis made of carbon, hydrogen, oxygen, and other elements results in a lot of voids and cavities generated in the interior of C/C composites.

Therefore, the C/C Cited by: calculate mechanical properties of the graphite matrix and carbon nanotube – reinforced carbon composites. The interlayer van der Waals interactions in graphite as well as all possible intermolecular interactions within a cutoff ( nm) in the MD systems were simulated using Lennard-Jones (12, 6) carbon-carbon potential.

Detailed description. In this article, we will make a brief introduction of carbon carbon composite material, which has so many different names. Different people use different names when refer to the same product, while its same kind of material.

Carbon-carbon composite materials are candidates for use in advanced thermal protection systems. For design purposes, high temperature thermophysical property data are required, but a search of the literature found little thermal conductivity data for carbon-carbon materials above K (°F).

Because a need was recognized. Nov 10,  · Carbon Composites: Composites with Carbon Fibers, Nanofibers, and Nanotubes, Second Edition, provides the reader with information on a wide range of carbon fiber composites, including polymer-matrix, metal-matrix, carbon-matrix, ceramic-matrix and cement-matrix composites.

In contrast to other books on composites, this work emphasizes materials rather than displacementdomesticity.com Edition: 2. MECHANICAL PROPERTIES OF CARBON-CARBON COMPOSITES REINFORCED WITH CARBON NANOTUBES OR CARBON NANOFIBERS significant.

Compared with the flexural strength, the enhancement of flexural modulus was much more significant. Fig. Fracture surfaces of C/C composites carbonized at ℃ and reinforced with (a) wt% MWNT (10 nm~20 nm) and (b) wt%. Carbon-Carbon (C/C) Composites may be manufactured with different orientation of the reinforcing phase (carbon fibers): unidirectional structure, bi-directional structure (cloth made of multiple carbon fiber yarns), multi-directional structure (3D, 4D, 5D, etc.).

Multi-directional reinforcement provides maximum level of mechanical properties in the directions of the woven structure. This paper is concerned with modeling of ablation behavior of carbon-carbon composites used in hot spot areas of reentry space and hypersonic vehicles.

Of the three modes of ablation (thermal, chemical and mechanical), the chemical (oxidation) is considered to influence the performance of the material. Aerodynamic heat flux need to be computed separately and is the input for this. The thermal Cited by: 8. 18 SPECIFIC HEAT CAPACITY OF CEMENTITIOUS COMPOSITES IN HIGH-TEMPERATURE RANGE Jitka Poděbradská1, Jaroslav Pavlík1, Jan Toman2, Robert Černý1 1Czech Technical University, Faculty of Civil Engineering, Department of Structural Mechanics, Thákurova 7, 29 Praha 6, Czech Republic.

Sep 23,  · The change in oxidation reaction rate for specimens of four-dimensional reinforced carbon-carbon composite material with an identical level of apparent density and different graphitizing temperature is studied.

Ranking of factors governing material oxidation reaction rate is displacementdomesticity.com by: 1. 2-Carbon-carbon composites oxidation Carbon-carbon materials can be made in a wide variety of fiber structures from one-directional (ID) to multidirectional (n D) reinforcement using tows, tapes and cloths.

Carbon fibers are produced from three precursor materials: polyacrilonitrile (PAN), rayon and. And so, the oxidation state of this carbon here is zero. Now, the reason why we're doing all of this is because the oxidized form of carbon is the lowest energy form of carbon if you have oxygen around.

So carbon in CO2 is like a dead battery. You couldn't get any energy out of it, cuz it's already dead.Thermo-Mechanical Analysis of Oxidation Resistant Carbon-Carbon Composites [Mark Jones] on displacementdomesticity.com *FREE* shipping on qualifying displacementdomesticity.com: Mark Jones.Carbon-carbon is a non-oxide engineering ceramic.

It has the lowest density among non-oxide engineering ceramics. In addition, it has a moderately low heat capacity and a moderately low thermal conductivity. The graph bars on the material properties cards below compare carbon-carbon to other non-oxide engineering ceramics (top) and the entire.