ABCDEFGHIJKLMNOPQRSTUVWXYZ
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Task 1 – Review Testing Parameters
Task 3 – Compare Each Formulation
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Review the testing parameters and calculate the cross-sectional area of the sample. Example calculations for each task are available on the next sheet.Compare each formulation by calculating the average elongation at break and tensile strength.
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Sample Type:
ASTM D638FormulationAverage Elongation at Break (%)Average Tensile Strength (MPa)
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Crosshead speed:
50 mm/minA
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Gauge length:
50 mmB
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Sample width:
13.0 mmC
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Sample thickness:
3.0 mm
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Cross-sectional Area:
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Task 2 – Calculate the Tensile Strength
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To calculate tensile strength, divide the maximum force the material can withstand by the cross-sectional area calculated in Task 1. Take note of any outliers.
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Formulation A
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Sample IDElongation at Break (%)Maximum Force (N)Tensile Strength (MPa)
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A163858
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A266875
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A364862
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Formulation B
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Sample IDElongation at Break (%)Maximum Force (N)Tensile Strength (MPa)
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B160984
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B261996
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B3641002
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Formulation C
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Sample IDElongation at Break (%)Maximum Force (N)Tensile Strength (MPa)
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C1581058
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C2551045
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C339752
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