ISO 527 | Plastics | Tension Testing
ISO 527-1 outlines test methods to determine the tensile properties such as tensile strength and tensile modulus of plastics and plastic composites. A universal testing machine capable of maintaining constant speed rates is needed to perform this test. Prior to conducting ISO 527, it is important to read the entire specification in the relevant ISO publication. Depending on the material being tested, other ISO 527 parts may be followed.
Click here to read the equivalent ASTM standard.
ISO 527 | Plastics | Tension Testing
- Prepare ISO 527 specimen according to the standard.
- Mount the specimen into a pair of tensile grips and attach your extensometer (if required). Note that for Poisson’s ratio measurements, two strain-measuring devices (longitudinal and transverse) are required.
- Set up the test to maintain speeds of testing as specified in ISO 527-1, Table 1 (ranging from 0.125 mm/min to 500 mm/min).
- Apply tensile load until specimen fractures or until the stress (load) or the strain (elongation) reaches some predetermined value.
Calculations:
- Tensile Strength
- Yield Strength
- Stress at % Strain
- Stress at Break
- Elongation at Yield
- Elongation at Break
- Nominal Strain
- Nominal Strain at Break (Grip Separation)
- Modulus of Elasticity
- Poisson’s Ratio (Requires Transverse Extensometer)
ISO 527 | Plastics | Tension Testing
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- Tensile testing of plastic specimen on an eXpert 2600 Dual Column machine
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- Mounted sample with extensometer
ISO 527 | Plastics | Tension Testing
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