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Materials Testing Calculations Characterize and analyze the behavior of materials, components, and assemblies

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Materials Testing Calculations
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Characterize and analyze the behavior of materials, components, and assemblies by measuring tensile and compressive stress, strain, and associated materials testing calculations represented by the adjacent illustration.

From metals to polymers, from wood to biomaterials, Mark-10’s IntelliMESUR® materials testers configured with the Materials Testing Calculations module can help engineers, researchers, and quality control professionals gain confidence in the performance of a variety of samples.

Common materials testing calculations include:

Stress equals force divided by the cross-sectional area of the sample, commonly measured in psi or MPa.

Strain is the percentage deformation of a sample while under load, measured from its original length between the grips.

Young’s Modulus
Young’s modulus, otherwise known as modulus of elasticity, is the slope of the elastic portion of a stress-strain curve.

Yield Strength
Yield strength is the amount of stress that can be developed in a material without causing plastic deformation; in other words, the transition point from elastic to plastic behavior.

Offset Yield Strength
Offset yield strength approximates a stress just beyond the elastic limit. Draw a parallel line to the Young’s Modulus, offset by a specified amount, commonly 0.2%, and identify the intersection point along the stress-strain curve.

Ultimate Strength
Ultimate strength refers to the maximum observed stress during the test.

Rupture is the amount of stress at which the sample breaks. A break can be defined as a specified percentage of drop from the ultimate strength.

Mark-10 systems can additionally calculate the following:

  • Percent elongation
  • Flexural modulus
  • Force per unit width
  • A wide variety of results based on the above calculations, such as stress at maximum strain, strain at rupture, etc.
calculations package screenshot

A typical stress-strain curve, with common materials testing calculations identified.

material testing calculations graph view

IntelliMESUR® plots stress vs. strain and displays a wide variety of materials testing calculations.

material testing calculations results view

IntelliMESUR® tabulates test results, date/time stamps, system information, pass/fail status, and statistics for batches of runs. Export data or generate a report including the results, graph, system information, and notes.

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