What does Flexural Modulus of Elasticity measure?

The Flexural Modulus of Elasticity is a specific measurement that quantifies the stiffness of a material when subjected to bending forces. It indicates how much a material will deform under flexural load, providing insight into its ability to resist deformation. A higher flexural modulus signifies that the material is stiffer, while a lower value indicates a more flexible material. This property is crucial in many applications, including construction and manufacturing, as it influences the structure’s performance and longevity.

Understanding the stiffness of a material, as indicated by the Flexural Modulus of Elasticity, is vital for engineers and designers in selecting appropriate materials for specific applications. The other options—toughness, density, and thermal expansion—relate to different material properties and do not specifically address the concept of stiffness in bending.