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  • 1
    Publication Date: 2011-08-19
    Description: The oxidation characteristics of 440 C corrosion-resistant steel are evaluated. The dependence of oxide color, type, and thickness, material hardness, and microstructure on temperature is examined. The effects of exposure time, passivation layer, and oxygen pressure on the oxide formation are investigated. A direct relationship between temperature and oxide color, formation, and thickness is detected. It is observed that the exposure time does not affect the microstructure or oxide color, type, or thickness; however, the passivation layer does affect oxide color and type.
    Keywords: METALLIC MATERIALS
    Type: Lubrication Engineering (ISSN 0024-7154); 42; 601-607
    Format: text
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  • 2
    Publication Date: 2013-08-31
    Description: Topics addressed are: (1) cryogenic tankage; (2) launch vehicle TPS/insulation; (3) durable passive thermal control devices and/or coatings; (4) development and characterization of processing methods to reduce anisotropy of material properties in Al-Li; (5) durable thermal protection system (TPS); (6) unpressurized Al-Li structures (interstages, thrust structures); (7) near net shape sections; (8) pressurized structures; (9) welding and joining; (10) micrometeoroid and debris hypervelocity shields; (11) state-of-the-art shell buckling structure optimizer program to serve as a rapid design tool; (12) test philosophy; (13) reduced load cycle time; (14) structural analysis methods; (15) optimization of structural criteria; and (16) develop an engineering approach to properly trade material and structural concepts selection, fabrication, facilities, and cost.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: NASA. Langley Research Center, Space Transportation Materials and Structures Technology Workshop. Volume 2: Proceedings; p 210-256
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  • 3
    Publication Date: 2013-08-31
    Description: The Propulsion Systems Panel was established because of the specialized nature of many of the materials and structures technology issues related to propulsion systems. This panel was co-chaired by Carmelo Bianca, MSFC, and Bob Miner, LeRC. Because of the diverse range of missions anticipated for the Space Transportation program, three distinct propulsion system types were identified in the workshop planning process: liquid propulsion systems, solid propulsion systems and nuclear electric/nuclear thermal propulsion systems.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: NASA. Langley Research Center, Space Transportation Materials and Structures Technology Workshop. Volume 2: Proceedings; p 295-300
    Format: application/pdf
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