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Shear Modulus

The full name of this property is "modulus of elasticity in shear". However, the term "modulus of elasticity" by itself is typically used to refer to tensile loading (and compressive for metals, where the two track each other closely). The shear modulus is the same slope of the elastic region of the stress-strain curve, but under shear loading.

The term "modulus of rigidity" is a synonym (not to be confused with "modulus of rupture", which is a synonym for flexural strength).

In some cases, a material's shear modulus can be estimated from the tensile modulus and Poisson's ratio.

Material Properties Explained

Material Properties Explained is a handbook published by It is a concise encyclopedia of engineering material properties. It is not tied to the material properties database, and covers a far larger number of properties than those used on the website. Subject matter includes:

  • Differences in definition and testing between types of materials.
  • Common testing variations and their significance.
  • What additional information is required to correctly interpret a value.
  • Any equations to calculate or estimate property values.
  • Synonyms and related terms.
  • Relevant international testing standards, including both ASTM and ISO.

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