Engineering

Gerilme (Mekanik)

Tanım

Dışarıdan uygulanan kuvvetler sonucu bir malzeme içinde oluşan birim alan başına iç kuvvet; pascal (Pa) veya pound/inç kare (psi) cinsinden ölçülür.

Açıklama

A 10,000 N load spread over 0.01 m² produces 1 MPa (megapascal) of stress. Structural steel yields at around 250 MPa and fractures near 400–500 MPa. Engineers design bridges and buildings to keep stresses well below material yield points, with safety factors typically of 1.5–3x. Stress concentration at holes, notches, or cracks can multiply local stress many times above the average.

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