The tensile strength is the large nominal tensile stress of the zui before the sample is broken. The critical value of the transition from plastic deformation to localized plastic deformation is also the large bearing capacity of the metal under static tensile conditions. For the plastic material, it characterizes the resistance of the material zui's large uniform plastic deformation. Before the tensile specimen is subjected to the large tensile stress of zui, the deformation is uniform, but after the exceeding, the metal begins to shrink, that is, produces concentrated deformation; A brittle material that has no (or very small) uniform plastic deformation, which reflects the fracture resistance of the material. The symbol is Rm and the unit is MPa.
This paper mainly introduces the calculation of tensile strength and elongation of plastics and films, and satisfies the "GBT13022-1991-plastic-film tensile test method"
Requirements for the preparation of plastics and films: Specimens required shape and size
Calculation method
Test report on tensile strength of a PE material
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