belastningshastighed
Belastningshastighet is a term used in materials science, biomechanics, and structural engineering that describes the rate at which a load is applied to a specimen, component, or tissue. It includes both the speed of the applied force and the resulting deformation rate. In practice it is commonly described as either the crosshead speed of a testing machine (units: mm/min or mm/s) or as the strain rate (s^-1) in dynamic tests. The exact meaning depends on context and method.
Measurement and control: In a universal testing machine, the crosshead speed sets the loading rate. For dynamic
Significance: Many materials are rate-dependent. Higher loading rates can increase apparent stiffness and strength, while reducing
Standards and context: ISO and ASTM standards often specify recommended loading rates for specific tests to