PLASTICSTESTINGLAB1 - Plastics Testing Lab Report#1(tensile...

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Plastics Testing Lab Report #1 (tensile test) Joshua Waugh Plastic Engineering Technology Professor Emadipour PET 372 9/28/07
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SUMMARY: The purpose of this lab is to test the tensile properties of different materials. The four materials that were tested were DOW PS 612, K Resin KR03, ABS, LDPE, and PEET. The results obtained from this lab were very good the only thing that needed to be changed was the amount test specimens for each plastic to ensure accuracy. Differences in test bars can occur due to improper packing of the material into the mold or insufficient heating of the material or mold. INTRODUCTION: The ability of a material to resist breaking under tensile stress is one of the most widely measured and one of the most important studies one can perform on a material. The force needed to pull the specimen apart as well as how much the material elongates before failing is determined. By determining these properties one can find out which materials are suitable for certain applications. The difference between specimens can also
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