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  1. #1
    Staff Engineer Davo's Avatar
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    Hyrel Cited in Scientific Papers

    Electronics:

    Demonstration and Charaterization of Fully 3D-printed RF Structures

    Infill Dependent 3D-Printed Material Based on NinjaFlex Filament for Antenna Applications
    Biologicals:

    Bioactive Nanoengineered Hydrogels for Bone Tissue Engineering: A Growth-Factor-Free Approach

    Design and Fabrication of 3D Printed Scaffolds with a Mechanical Strength Comparable to Cortical Bone to Repair Large Bone Defects
    Last edited by Davo; 01-26-2016 at 10:58 AM.

  2. #2
    Staff Engineer Davo's Avatar
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    A Novel Strain Sensor Based on 3D Printing Technology and 3D Antenna Design

  3. #3
    Staff Engineer Davo's Avatar
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    A Novel 3-D Printed Loop Antenna Using Flexible NinjaFlex Material for Wearable and IoT Applications
    Last edited by Davo; 01-27-2016 at 06:23 AM.

  4. #4
    Super Moderator curious aardvark's Avatar
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    very cool !

    Papers don't show up - so how do you use ninjaflex for an aerial ? It's nonconductive rubber ???

  5. #5
    Staff Engineer Davo's Avatar
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    Sorry, that last link has been corrected. They each work for me, please let me know if you are still having an issue.

    The Ninjaflex substrate was 3-D printed by Hyrel 3-D printer and then the copper tape of the optimized loop antenna size was glued on the top of the 3-D hemispherical support. The connection between the 50 Ω-coaxial SMA connector and the loop antenna terminals was realized utilizing a silver epoxy.

  6. #6
    Staff Engineer Davo's Avatar
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    RF Characterization of 3D Printed Flexible Materials - NinjaFlex Filaments
    Even though it is a desirable material for 3D printed wearable electrical, bio-medical and flexible devices, there are, to the author's knowledge, no devices taking advantage of NinjaFlex's electrical properties, mostly due to the lack of electrical characterization of this material.

  7. #7
    Super Moderator curious aardvark's Avatar
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    so are they saying it's conductive ?

    I'll have to test that - got a fair bit of the stuff in the workshop.

    (reads the article)
    Nope looks like they just like the flexible part and are mixing in wires and components.
    Last edited by curious aardvark; 01-31-2016 at 05:37 AM.

  8. #8
    Staff Engineer Davo's Avatar
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    The wired in components were to test the properties of the ninjaflex.

    V. CONCLUSION
    This paper presents for the first time the electrical properties of NinjaFlex, a commonly used flexible material for 3D printing processes...

    The presented accurate electrical characteristics of various NinjaFlex filaments with different densities could enable for the first time the applications of 3D printing processes to a multitude of RF applications ranging from sensing to wireless communication and localization systems.

  9. #9
    Super Moderator curious aardvark's Avatar
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    yeah it's not exactly in english is it.

    Why is it so many scientists lack the ability to communicate clearly to actual human beings.

    Okay so i will test it with my multimeter then :-)

  10. #10
    Staff Engineer Davo's Avatar
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    I think they're claiming that it has certain properties; that doesn't mean it's a good general purpose conductor.

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