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Influence Of FDM Build Parameters On Tensile And Compression Behaviors Of 3D Printed Polymer Lattice Structures

Yadlapati, Sai Avinash
http://rave.ohiolink.edu/etdc/view?acc_num=wright1535468629515297

Abstract Details

2018, Master of Science in Mechanical Engineering (MSME), Wright State University, Mechanical Engineering.
This research focuses on the compression and tensile behavior of three-dimensional printed polymer lattice structures with different printing parameters such as build orientation, infill density, and layer thickness. The body-centered cubic (BCC) lattice unit cell, which has been extensively investigated for energy absorption applications, is considered here to create compression and tensile specimens. Special test fixture was designed and developed to perform the tensile tests. The specimens were printed using Acrylonitrile Butadiene Styrene (ABS) polymer material on a Stratasys uPrint 3D printer. The printing parameters considered in this case are: (a) Three different build orientations (0, 45 and 90 degrees); (b) Two different infill densities (Sparse High and Solid); and (c)Two different layer thicknesses (0.010 and 0.013 inch). Once fabricated, the specimens were imaged using an optical microscope (OM) to capture their surface characteristics. Strut dimensions of all specimens are measured to understand their build accuracy. In addition, fabrication time for each configuration were recorded for comparison. The specimens were then tested under quasi-static compression and tension to determine the stiffness, failure loads, and energy absorption behaviors. Specific properties were also calculated by dividing the test properties by the specimen mass. All the test data obtained from OM and mechanical tests were then compared and interpreted with respect to all the three build parameters.
Ahsan Mian, Ph.D. (Advisor)
Zifeng Yang, Ph.D. (Committee Member)
Joy Gockel, Ph.D. (Committee Member)
101 p.
Mechanical Engineering
compression behavior; tensile behavior; three-dimensional printed polymer lattice; build orientation; infill density; layer thickness; body-centered cubic lattice; FDM build parameters; 3D printed polymer lattice

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Citations

  • Yadlapati, S. A. (2018). Influence Of FDM Build Parameters On Tensile And Compression Behaviors Of 3D Printed Polymer Lattice Structures [Master's thesis, Wright State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=wright1535468629515297

    APA Style (7th edition)

  • Yadlapati, Sai Avinash. Influence Of FDM Build Parameters On Tensile And Compression Behaviors Of 3D Printed Polymer Lattice Structures. 2018. Wright State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=wright1535468629515297.

    MLA Style (8th edition)

  • Yadlapati, Sai Avinash. "Influence Of FDM Build Parameters On Tensile And Compression Behaviors Of 3D Printed Polymer Lattice Structures." Master's thesis, Wright State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=wright1535468629515297

    Chicago Manual of Style (17th edition)

wright1535468629515297
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This open access ETD is published by Wright State University and OhioLINK.