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All Library Books, journals and Electronic Records Telegrafenberg

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  • 1
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    Bonding Heat-Resistant Fabric to Tile (1985)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Acid etching, densification, and silica cement ensure strong bond. Key step in preparation for bonding to glazed tile is etching quartz fabric and tile with acid. This increases adhesion of silica cement used to form bond. Procedures use high-temperature materials exclusively and therefore suitable for securing flexible seals and heat barriers around doors and viewing ports in furnaces and kilns.
    Keywords: FABRICATION TECHNOLOGY
    Type: MSC-20540 , NASA Tech Briefs (ISSN 0145-319X); 8; 4; P. 566
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Improving Surface Strength of Insulating Tiles (1983)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Procedure for improving tile resistance to impact damage described in new report on tile densification. Developed for Space Shuttle reusable surface insulations, procedure has potential application when space restrictions necessitate thin layers of insulation with low thermal conductivity. Examples are advanced heat engines, such as adiabatic diesel and automotive gas turbine, as well as fast-heating high-temperature ovens.
    Keywords: FABRICATION TECHNOLOGY
    Type: MSC-20063 , NASA Tech Briefs (ISSN 0145-319X); 7; 2; P. 223
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    NASA TECHNICAL REPORTS
  • 3
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    High Temperature Filler for Tile Gaps (1983)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Gaps between ceramic tiles filled with ceramic-coated fabric that withstands temperatures as high as 2,000 degrees F (1,300 degrees C). Reusable high-temperature gap filler is made of fabric coated with ceramic slurry and bonded in place with room-temperature-vulcanized adhesive. Procedure used in kilns and furnaces.
    Keywords: FABRICATION TECHNOLOGY
    Type: MSC-20137 , NASA Tech Briefs (ISSN 0145-319X); 7; 2; P. 205
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    NASA TECHNICAL REPORTS
  • 4
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    Mobile glazing unit (1981)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Unit programs thermal cycle from 100 to 2,300 F for firing ceramic gglaze coatings on refractory surfaces in any attitude and position. Device includes control console, heater assembly, protective cover, and manipulator boom; boom places heater next to surface to be fired. Unit is industrially useful for in situ repair of ceramics and curing individual refractory blocks during furnace maintenance.
    Keywords: FABRICATION TECHNOLOGY
    Type: KSC-11171 , NASA Tech Briefs (ISSN 0145-319X); 5; 4; P. 498
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    NASA TECHNICAL REPORTS
  • 5
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    "Densified" tiles form stronger bonds (1981)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Application of colloidal silica more than doubles bond strength of ceramic tile/substrate attachments. "Densification" process strengthens surface where tile attaches to felt strain-isolator pad, redistributing stresses and preventing failures at that point. First, isopropyl alcohol is applied to bottom tile surface. Second, aqueous mixture of cementing colloidal silica and reinforcing ball-milled silica particles is painted on tile. Finally, after drying, tile is rewaterproofed by exposure to vapors or methyltrimethoxysilane and acetic acid.
    Keywords: FABRICATION TECHNOLOGY
    Type: MSC-18741 , NASA Tech Briefs (ISSN 0145-319X); 5; 4; P. 495
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    NASA TECHNICAL REPORTS
  • 6
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    Repairing cracked glass (1979)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Filing procedure consisting of machined lightweight fused-silica tiles coated with thin-layer of borosilicate glass produces homogeneous seal in thin glass. Procedure is useful in repairing glass envelopes, X-ray tub windows, Dewar flasks, and similar thin glass objects.
    Keywords: FABRICATION TECHNOLOGY
    Type: KSC-11097 , NASA Tech Briefs (ISSN 0145-319X); P. 132
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
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    Tile-bonding tool (1978)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Device applies uniform, constant, precise pressure to hold tiles in place during bonding. Tool consists of pressure bladders supported by adjustable pole. Pole can accomodate single or multiple bladders. Tiles can be flat or contoured.
    Keywords: FABRICATION TECHNOLOGY
    Type: KSC-11053 , NASA Tech Briefs (ISSN 0145-319X); 3; 1; P. 139
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    NASA TECHNICAL REPORTS
  • 8
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    Hot-wire tile removal tool (1977)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Cheesecutterlike device uses electrically heated wire to slice through thermosetting embedment. Technique does not damage tile or create unwanted debris in work area.
    Keywords: FABRICATION TECHNOLOGY
    Type: KSC-11043 , NASA Tech Briefs (ISSN 0145-319X); 1; 3; P. 464
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    NASA TECHNICAL REPORTS
  • 9
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    Attaching Metal Fasteners to Silica Tiles (1986)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: Stress distributed so high load borne. Fastener bonded in densified hole or captured in plug of similar refractory material, which in turn bonded in hole in parent tile. Plug or bonding distributes mechanical load from fastener to broad region surrounding fastener, reducing local stress concentration and likelihood of breakage. Bonded-plug method has been successful in attaching mechanical fasteners to porous silica refractory tiles used on outer surface of Space Shuttle orbiter.
    Keywords: FABRICATION TECHNOLOGY
    Type: MSC-20537 , NASA Tech Briefs (ISSN 0145-319X); 10; 1; P. 122
    Format: text
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