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    An Investigation on the Definition and Qualification of Form on Lattice Structures

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    2021-042-Praniewicz.pdf (230.0Kb)
    Date
    2021
    Author
    Praniewicz, M.
    Fox, J.
    Saldana, C.
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    Abstract
    The lack of uniform qualification techniques for additively manufactured components throughout industry currently limits their application in high risk environments. This stems from a shortage of proper tolerancing and product definition to convey design intent and required qualification. This definition is particularly difficult for complex lattice geometries. The results of studies in which the form of a lattice component is defined by theoretical supplemental surfaces are summarized, with specific attention to the role of data sampling in the evaluation of form. A new case study is presented where techniques borrowed from surface metrology, namely the construction of a bearing area curve, are used to evaluate the sampling cutoff for form evaluation. This method is first validated on the nominal geometry of three lattice designs. Initial results indicate this as a promising methodology.
    Department
    Mechanical Engineering
    Subject
    lattice structures
    definition
    qualification
    additive manufacturing
    URI
    https://hdl.handle.net/2152/90652
    http://dx.doi.org/10.26153/tsw/17571
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    © The University of Texas at Austin