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    Characterization of Damping Properties in 3D Printed Structures

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    Author
    Gietl, Jenna; Vignola, Joseph; Sterling, John; Ryan, Teresa
    Abstract
    Current research on the effectiveness of a subordinate oscillator array (SOA) as a broadband mechanical filter relies on adequate knowledge of the SOAs material properties. Recent studies have shown a high sensitivity of these structures to disorder. A desire to produce large numbers of arrays to test this sensitivity to disorder motivated a transition from metal to 3-dimensional printed plastic SOAs. Irregularities associated with the curing process of the 3D printed polymers, as well as a general inconsistency of material properties of plastics, in turn highlighted the need for characterization of properties of 3D printed materials, especially those properties related to damping. As part of this study, several 3D printed plastic cantilevers, varying in material, printing technique, and printing orientation, are measured. Quantities of interest include the Young’s modulus and density, as well as phenomenological properties, like the quality factor of specific designs. An ASTM standard test method for property determination is implemented with a laser Doppler vibrometer (LDV) to test each polymer. In addition to the ASTM protocol, tests are conducted in vacuum to distinguish internal damping mechanisms of the cantilever from external fluid mechanisms. Results are compared to both analytic and numeric predictions and published theory.
    URI
    http://hdl.handle.net/10342/8386
    Date
    2018-12-01
    Citation:
    APA:
    Gietl, Jenna, & Vignola, Joseph, & Sterling, John, & Ryan, Teresa. (December 2018). Characterization of Damping Properties in 3D Printed Structures. Journal of Physics: Conference Series, (. Retrieved from http://hdl.handle.net/10342/8386

    Display/Hide MLA, Chicago and APA citation formats.

    MLA:
    Gietl, Jenna, and Vignola, Joseph, and Sterling, John, and Ryan, Teresa. "Characterization of Damping Properties in 3D Printed Structures". Journal of Physics: Conference Series. . (.), December 2018. August 16, 2022. http://hdl.handle.net/10342/8386.
    Chicago:
    Gietl, Jenna and Vignola, Joseph and Sterling, John and Ryan, Teresa, "Characterization of Damping Properties in 3D Printed Structures," Journal of Physics: Conference Series 1149, no. (December 2018), http://hdl.handle.net/10342/8386 (accessed August 16, 2022).
    AMA:
    Gietl, Jenna, Vignola, Joseph, Sterling, John, Ryan, Teresa. Characterization of Damping Properties in 3D Printed Structures. Journal of Physics: Conference Series. December 2018; 1149() . http://hdl.handle.net/10342/8386. Accessed August 16, 2022.
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