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  • 1
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    Unknown
    Method and device for determining bond separation strength using induction heating (1994)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: An induction heating device includes an induction heating gun which includes a housing, a U-shaped pole piece having two spaced apart opposite ends defining a gap there between, the U-shaped pole piece being mounted in one end of the housing, and a tank circuit including an induction coil wrapped around the pole piece and a capacitor connected to the induction coil. A power source is connected to the tank circuit. A pull test machine is provided having a stationary chuck and a movable chuck, the two chucks holding two test pieces bonded together at a bond region. The heating gun is mounted on the pull test machine in close proximity to the bond region of the two test pieces, whereby when the tank circuit is energized, the two test pieces are heated by induction heating while a tension load is applied to the two test pieces by the pull test machine to determine separation strength of the bond region.
    Keywords: RESEARCH AND SUPPORT FACILITIES (AIR)
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Induction heating coupler and annealer (1994)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: An induction heating device includes a handle having a hollow interior and two opposite ends, a wrist connected to one end of the handle, a U-shaped pole piece having- two spaced apart ends, a tank circuit including an induction coil wrapped around the pole piece and a capacitor connected to the induction coil, a head connected to the wrist and including a housing for receiving the U-shaped pole piece, the two spaced apart ends of the pole piece extending outwardly beyond the housing, and a power source connected to the tank circuit. When the tank circuit is energized and a susceptor is placed in juxtaposition to the ends of the U-shaped pole piece, the susceptor is heated by induction heating due to a magnetic flux passing between the two ends of the pole piece.
    Keywords: ELECTRONICS AND ELECTRICAL ENGINEERING
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Flexible heating head for induction heating (1993)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: An induction heating head includes a length of wire having first and second opposite ends and being wound in a flat spiral shape to form an induction coil, a capacitor connected to the first and second ends of the wire, the induction coil and capacitor defining a tank circuit, and a flexible, elastomeric body molded to encase the induction coil. When a susceptor is placed in juxtaposition to the body, and the tank circuit is powered, the susceptor is inductively heated.
    Keywords: COMMUNICATIONS AND RADAR
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Induction heating coupler (1994)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: An induction heating device includes a handle having a hollow interior and two opposite ends, a wrist connected to one end of the handle, a U-shaped pole piece having two spaced apart ends, a tank circuit including an induction coil wrapped around the pole piece and a capacitor connected to the induction coil, a head connected to the wrist and including a housing for receiving the U-shaped pole piece, the two spaced apart ends of the pole piece extending outwardely beyond the housing, and a power source connected to the tank circuit. When the tank circuit is energized and a susceptor is placed in juxtaposition to the ends of the U-shaped pole piece, the susceptor is heated by induction heating due to magnetic flux passing between the two ends of the pole piece.
    Keywords: ELECTRONICS AND ELECTRICAL ENGINEERING
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 5
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    Toroid Joining Gun For Fittings And Couplings (1992)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: Hand-held gun used to join metal heat-to-shrink couplings. Uses magnetic induction (eddy currents) to produce heat in metal coupling, and thermocouple to measure temperature and signals end of process. Gun, called "toroid joining gun" concentrates high levels of heat in localized areas. Reconfigured for use on metal heat-to-shrink fitting and coupling applications. Provides rapid heating, operates on low power, lightweight and portable. Safe for use around aircraft fuel and has no detrimental effects on surrounding surfaces or objects. Reliable in any environment and under all weather conditions. Gun logical device for taking full advantage of capabilities of new metal heat-to-shrink couplings and fittings.
    Keywords: FABRICATION TECHNOLOGY
    Type: LAR-14278 , NASA Tech Briefs (ISSN 0145-319X); 16; 12; P. 77
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    "E" Heating Head (1994)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Two separate areas heated inductively for adhesive bonding in single operation. "E" heating head developed to satisfy need for fast-acting and reliable induction heating device. Used in attaching "high-hat" stiffeners to aircraft panels. Incorporates principles and circuitry of toroid joining gun. Width and length configured to provide variously sized heat zones, depending on bonding requirements. Lightweight, portable and provides rapid, reliable heating of dual areas in any environment. Well suited for flight-line and depot maintenance, and battlefield repair. Also useful in automotive assembly lines to strengthen automobile panels.
    Keywords: FABRICATION TECHNOLOGY
    Type: LAR-14429 , NASA Tech Briefs (ISSN 0145-319X); 18; 5; P. 85
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
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    Flexible Heating Head (1994)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: United States Air Force is investigating method of repairing aircraft by use of adhesive bonding with induction heating to cure adhesive. Fast-acting and reliable induction heating device that is lightweight, portable, and easy to use needed for such applications. Newly developed flexible heating head lightweight and conforms to complex, curved surfaces. Incorporates principles and circuitry of toroid joining gun described in "Toroid Joining Gun for Fittings and Couplings" (LAR-14278). Concentrates heat in local area through induction heating. Flexible heating head contains tank circuit, connected via cable to source of power.
    Keywords: FABRICATION TECHNOLOGY
    Type: LAR-14418 , NASA Tech Briefs (ISSN 0145-319X); 18; 4; P. 74
    Format: text
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    NASA TECHNICAL REPORTS
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