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| {{MOST}}
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| [[category:MOST RepRap methods]]
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| {{MOST-RepRap}}
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| = Overview =
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| The purpose of this project is to determine mechanical properties of polymer components printed with the open source [http://reprap.org/wiki/Main_Page RepRap Mendel 3-D printer]. Standard test methods are to be used to gather accurate and acceptable test data. The results of the mechanical testing will be used for engineering analysis of parts designed to be created with the RepRap.
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| The results are published here: B.M. Tymrak, M. Kreiger, [[J. M. Pearce]], [http://dx.doi.org/10.1016/j.matdes.2014.02.038 Mechanical properties of components fabricated with open-source 3-D printers under realistic environmental conditions], ''Materials & Design'', 58, pp. 242-246 (2014). http://dx.doi.org/10.1016/j.matdes.2014.02.038. [https://www.academia.edu/6209168/Mechanical_properties_of_components_fabricated_with_open-source_3-D_printers_under_realistic_environmental_conditions open access]
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| Detailed coverage here:
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| * [[Mechanical Properties of Components Fabricated with Open-Source 3-D Printers Under Realistic Environmental Conditions]]
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| * [[The Effects of PLA Color on Material Properties of 3-D Printed Components]]
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| = Testing Standards =
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| ASTM D638-10 Standard Test Method for Tensile Properties of Plastics
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| = Test Specimen =
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| ASTM Type I specimen - [http://www.thingiverse.com/thing:13694 STL file]
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| revised with starting point outside of specimen [http://www.thingiverse.com/thing:28974 STL file]
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| == Printer settings to test ==
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| All g-code will be generated using Slic3r software from [http://slic3r.org/ http://slic3r.org/]
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| {| class="wikitable"
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| |-
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| ! Slic3r Setting
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| !
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| |-
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| | Layer Height
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| | 0.4mm, 0.3mm, 0.2mm
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| |-
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| | Fill Density
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| | 1.0
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| |-
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| | Fill Angle
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| | 0, 45
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| |-
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| | Fill Pattern
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| | Rectilinear
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| |-
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| | Solid Fill Pattern
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| | Rectilinear
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| |}
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| = Test Equipment =
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| *MTS Test System in M&M 413
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| *MTS Testworks Software on test machine computer
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| *Epsilon Technology 3542-0200-050-ST Extensometer
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| = Specimen to Test =
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| ==Naming Protocol==
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| Layer Height-Orientation-Fill-Print#-Source
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| ie. (3-90-100-1 MTU) for 0.3 LH, 90 deg Fill Orientation, 100% Fill, Print #1, at MTU
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| ==Base Testing==
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| * 3 layer heights - .2, .3, .4; orientations 45, 90; 12 testing conditions; 10X each; 120 total tests.....
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| PLA
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| *0.4mm 90 deg (10 printed) 45 deg (10 printed)
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| *0.3mm 90 deg (10 printed) 45 deg (10 printed)
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| *0.2mm 90 deg (10 printed) 45 deg (10 printed)
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| ABS
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| *0.4mm 90 deg (10 printed) 45 deg (0 printed)
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| *0.3mm 90 deg (0 printed) 45 deg (0 printed)
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| *0.2mm 90 deg (0 printed) 45 deg (0 printed)
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| = See Also=
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| *[[Mechanical testing of 3D printed metal parts]]
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| * For electrical testing and for thermal conductivity :disc 2.5 inches in diameter that is 3.2 mm thick. 5X
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| * [[RepRap Mechanical Testing Literature Review]]
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| * [[MOST RepRap Build]]
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| * [[Open source rapid prototyping of OSAT]]
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| * [[Life cycle analysis of distributed polymer recycling]]
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| * [[Applications of RepRap distributed production - literature review]]
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| * [[Recyclebot]]
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| * [[Tensile_test_protocol:_MOST]]
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| [[Category:3D printing]]
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