Usage:

Widely used in the automotive industry, aviation industry and other sectors, with a large amount of use.

principle

When the steel or sample is stretched, when the stress exceeds the elastic limit, even if the stress does not increase, the steel or sample continues to undergo obvious plastic deformation, which is called yielding, and the minimum stress value when the yielding phenomenon occurs is for the yield point. Let Ps be the external force at the yield point s, and Fo be the cross-sectional area of the sample, then the yield point σs =Ps/Fo(MPa), MPa is called MPa, which is equal to N (Newton)/mm2, (MPa=106Pa, Pa: Pascal =N/m2).

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