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Tuesday, July 28, 2020 | History

1 edition of Oxidation of reinforced carbon-carbon subjected to hypervelocity impact found in the catalog.

Oxidation of reinforced carbon-carbon subjected to hypervelocity impact

Oxidation of reinforced carbon-carbon subjected to hypervelocity impact

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Published by National Aeronautics and Space Administration, Lyndon B. Johnson Space Center, Available from National Technical Information Service in Houston, Tex, Springfield, VA .
Written in English

    Subjects:
  • Carbon -- Oxidation.,
  • Impact.,
  • Space vehicles -- Materials.

  • Edition Notes

    StatementDonald M. Curry ... [et al.].
    SeriesNASA/TP -- 2000-209760, NASA technical paper -- 2000-209760.
    ContributionsCurry, Donald M., Lyndon B. Johnson Space Center.
    Classifications
    LC ClassificationsTL521.3.T4 A46 no.209760
    The Physical Object
    Paginationv, 56 p. :
    Number of Pages56
    ID Numbers
    Open LibraryOL19004028M

    Once we pretend like everything is ionic, and that's only two electrons this time, so four minus two gives us an oxidation state for carbon of plus two, just like we predicted over here. So you can see every molecule we've done so far, has had a different oxidation state for carbon, carbon is unique, it has all these different oxidation states. This document is a guide to preparing material specifications for fiber reinforced carbon-carbon (C-C) composite structures (flat plates, rectangular bars, round rods, and tubes) manufactured specifically for structural components in nuclear reactor core applications. The carbon-carbon composites consist of carbon/graphite fibers (from PAN, pitch, or rayon precursors) in a carbon/graphite.

    The combined effect of hypervelocity space debris impact and atomic oxygen (AO) attack on the degradation of reinforced polyhedral oligomeric silsesquioxanes (POSS)-polyimide films was studied. A laser-driven flyer (LDF) system was used to accelerate aluminum flyers to impact . OCLC Number: Description: 2 volumes (xii, , pages): illustrations ; 23 cm. Contents: [pt. A/no. 3]. Synthesis and properties of erbium oxide single crystals / J.J. Petrovic, R.S. Romero, D. Mendoza, A.M. Kukla, R.C. Hoover, K.J. McClellan --Barium titanate and barium orthotitanate powders through an ethylene glycol polymerization route / Sang-Jin Lee, Michael D. Biegalski.

    oxidation kinetics to 1, years at 'C, an abraded wt% C steel having a fine pearlitic microstructure is expected to suffer only Am of oxidation. Even less metal recession is expected for carbon steels with spheroidized C and a chemically etched surface. Neither decarburization of carbon. > Catalytic oxidation of carbon-carbon composite aircraft brakes (3) During aircraft operation, alkali-metal salts from marine environments and de-icing fluids can access the surface of the C-C composite materials within the aircraft braking system and act as catalysts for the oxidation reaction and dramatically accelerate the oxidation rate.


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Oxidation of reinforced carbon-carbon subjected to hypervelocity impact Download PDF EPUB FB2

On reinforced carbon-carbon (RCC) samples subjected to hyperveiocity impact. The RCC test specimens are representative of RCC components used on the Space Shuttle Orbiter. The arc jet testing established the oxidation characteristics of RCC when hypervelocity projectiles, simulating meteoroid/orbital debris (MOD), impact the RCC material.

Oxidation of Hypervelocity Impacted Reinforced Carbon-Carbon. Donald M. Curry, Cited by: Oxidation of Reinforced Carbon-Carbon Subjected to Hypervelocity Impact.

By Dennis C. Chao, Donald M. Curry, Leonard S. Nicholson, Vuong T. Pham and Ignacio Norman. Abstract. Results of arc-jet tests conducted at the NASA Johnson Space Center (JSC) on Reinforced Carbon-Carbon (RCC) samples subjected to hypervelocity impact are presented. Oxidation of Reinforced Carbon-Carbon Subjected to Hypervelocity Impact.

By Donald M. Curry, Vuong T. Pham, Dennis C. Chao and Ignacio Norman. Abstract. This paper presents results from arc jet tests conducted at the NASA Johnson Space Center on reinforced carbon-carbon (RCC) samples subjected to hypervelocity impact.

AIREX: Oxidation of Reinforced Carbon-Carbon Subjected to Hypervelocity Impact Results of arc-jet tests conducted at the NASA Johnson Space Center (JSC) on Reinforced Carbon-Carbon (RCC) samples subjected to hypervelocity impact are presented.

The RCC test specimens are representative of RCC component used on the Space Shuttle Orbiter. Simulation of Hypervelocity Impact Effects on Reinforced Carbon-Carbon. Young-Keun Park and Oxidation of hypervelocity impacted reinforced carbon-carbon. Impact damage resistance of reinforced carbon–carbon CAV panels.

In this section, the results are presented and discussed for a non-linear-dynamics computational analysis of the hypervelocity impact between an aluminum spherical impactor with the radius in a range between 1 and 3 mm and a 5 mm-thick carbon–carbon CAV-shell panel.

subject to severe thermal re-entry loads, is constructed of reinforced carbon-carbon (RCC) panels, coated in silicon carbide to prevent oxidation.3 Although the thermal properties of RCC composites are well understood,4 much less is known about their dynamic mechanical properties.

The loss of the Space Shuttle Columbia,5 apparently due to impact damage on. 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 above about °C.

1 High Velocity Impact Tests on High Temperature Carbon-Carbon Composites W.H. Xie a, S.H. Meng a, L. Ding b, H. Jin a, G.K. Han a, L.B. Wang a, Fabrizio Scarpa c, R.Q. Chi d a Center for Composite Materials and Structures, Harbin Institute of Technology, No.2 Yikuang Street, HarbinChina b Center for Advanced Composite Materials, Shenzhen Academy of Aerospace, Keji South Ten Road 6.

Results of arc-jet tests conducted at the NASA Johnson Space Center (JSC) on Reinforced Carbon-Carbon (RCC) samples subjected to hypervelocity impact are presented. Donald M. Curry's 27 research works with citations and reads, including: Kinetics and Mechanism of Oxidation of the Reinforced Carbon/Carbon on the Space Shuttle Orbiter.

Carbon and glass fibres exhibit corrosion when subjected to CO and CO 2 vapours. Carbon fibres are more susceptible to oxidation in presence of oxygen. Oxidation occurs on the surface and in the cracks and cavities of the fibre. The rate of oxidation is dependent on the fibre texture, inclusions, porosity and surface condition.

Park and E. Fahrenthold, Simulation of hypervelocity impact effects on reinforced carbon-carbon, J. Spacecraft and Rockets 43(1) () – Google Scholar 6.

A series of 54 laboratory scale concrete beams 3 x 3 x 30 in. in size were impulsively loaded to failure in a drop weight impact machine. The beams had no internal reinforcement, but instead were externally reinforced on the bottom or tension side of the beams with. This volume covers all methods of oxidation for use in organic synthesis.

Emphasis has been placed on selectivity and functional group compatibility together with practical utility and applications.

The volume is broadly divided to cover oxidation of unactivated carbon-hydrogen bonds, oxidation of activated carbon-hydrogen bonds, that is to say those adjacent to activating substituents and.

NASA TP “Oxidation of Reinforced Carbon-Carbon Subject to Hypervelocity Impact”, by Curry et al., 4. Aviation Week & Space Technology Magazine, Craig Covault Thank you for considering my comments regarding the possible causes of this accident.

Full text of "NASA Technical Reports Server (NTRS) Hypervelocity impact tests on Space Shuttle Orbiter thermal protection material" See other formats NASA TM X- NASA TM X- NASA TECHNICAL MEMORANDUM (NASA-TH-X) MYPtH VELOCITY IMPACT N TESTE ON SPACE SHUTTLE OliBITER THERMAL PROTECTION MATERIAL (NASA) 21 p.

Oxidation of Carbon-Carbon Composite Weishen Yee Southern Illinois University Carbondale, high impact resistance and an oxidation resistance fiber reinforced polymer composites technology, the hot isostatic press (HIP) technology and the chemical vapor deposition (CVD) technology.

The high fracture toughness and. This paper presents results from arc jet tests conducted at the NASA Johnson Space Center on reinforced carbon-carbon (RCC) samples subjected to hypervelocity impact.

The RCC test specimens are representative of RCC components used on the Space Shuttle Orbiter. Carbon/Carbon (C/C) composite is defined as a carbon fiber reinforced carbon matrix. Since research has been carried out on the C/C composites. The main reason for the development of new C/C composites is the number of advantages it has to offer when compared with the regular materials.

The areas where C/C composites are being used extensively are aerospace, military, etc.Carbon fibre reinforced carbon (CFRC), carbon–carbon (C/C), or reinforced carbon–carbon (RCC) is a composite material consisting of carbon fiber reinforcement in a matrix of was developed for the reentry vehicles of intercontinental ballistic missiles, and is most widely known as the material for the nose cone and wing leading edges of the Space Shuttle orbiter.

Heat shields and nozzles are made of multidirectionally reinforced carbon/carbon composites. As pointed out, carbon/carbon composites can withstand high temperatures in an inert atmosphere.

Lack of oxidation resistance is a major problem, and a great deal of effort has been put into the development of oxidation-resistant coatings for carbon.