Mechanical strength refers to the material when it is acted upon, it can withstand the maximum load per unit area. Flexural (bending), tensile strength (tensile) strength, compressive strength, impact strength, up to.
Classification
Mechanical strength is divided into compressive strength, bending strength, tensile strength.
Compressive strength (compressive strength) codenamed Sigma BC, refers to the strength of the force is pressure limit
Flexural strength of materials subjected to bending moment per unit area limit of breaking stress
Principle
When the force perpendicular to the axis object, object acted upon first bend to break after a moment of ultimate resistance capacity known as bending strength (or bending). Experience compressive strength is twice times the flexural strength, flexural strength is twice times the tensile strength.
Tensile strength of specimen in the process, pull off when subjected to the maximum force (Fb), divided by the original cross-sectional area of the sample (So) the stress (σ), known as tensile strength (σ b), N/mm2 (MPa). It represents the maximum tension resistance of metallic materials destruction capacity.
Mechanical strength of materials including tensile, compression, bending, shear, impact and fatigue. Through the tests of mechanical strength of ceramics and metals, can understand the differences between different kinds of materials in mechanical strength, mastering testing principle and calculation method of material strength.