RUN ALL TESTS WITH MACHINE SET IN HIGH CLUTCH COMPOSITE and POLYMER TENSILE TESTING COMPOSITES Bluehill Test Method: Tension_Flat_SLOW Measure width & thickness. Orientation angles are relative to the axis of the sheet: Specimen Info: Gage length and Orientation angle. Color codes: 0˚: Black 45˚: Orange Use a Sharpie Marker 90˚: Blue to mark the transition G-10 is green-white or dark yellow. from the fillet to the gage length at each end GPO-3 is red. of the specimen. The Test G-10: 0˚ & 90˚ in pairs (A&B; C&D). distance between the Test GPO-3: 0˚ & 90˚ in pairs. lines is the gage length Test the 45˚ specimens in pairs. of the specimen. Install extensometer. Crosshead speed: 4 mm/min Use a Sharpie Marker to label each end Filename: See Header Sheet of the specimen with the composite Load vs. Strain will be plotted. angle or the polymer crosshead rate. Polymers: HDPE, Lexan (polycarbonate) Set top mechanical stop to max on Instron. Check HIGH CLUTCH before running any polymer sample. Bluehill Test Method: SEE TABLE BELOW (SLOW or FAST data acquisition rate) Install extensometer. (Data for initial modulus.) End color codes: HDPE: black, Lexan: red. Specimen Info: Gage Length and Crosshead rate. Crosshead speeds (mm/min): Machine HDPE Lexan A S: F: B 10 20 F: F: C 500 F: 5 F: D 100 S: 2 F: 20 100 On-line 1 5 1 500 S: Tension_Flat_SLOW (2 Hz data rate) F: Tension_Flat_FAST (10 Hz data rate) Run in sequence from lowest to highest rate. Filename: See Header Sheet. Load vs. Strain will be plotted initially. Remove extensometer after initial linear region and switch x-axis of plot to “Corrected Position”. J. Williams & D. Farrow-MTIL-UIUC COE ©Board of Trustees-University of Illinois
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