[L1182] Determination of Young`s modulus of rust-layer by bending experiment
キーワード：腐食層,ヤング係数,複合ばり,曲げ剛性
A new experimental method for evaluating Young’s modulus of rust layer has been proposed by simply-supported 4-point bending tests. Difference of flexural rigidities between two steel plate beams with and without corrosion upon is supposed to present the mechanical properties of rust layer. Among them, the initial tangent Young’s modulus of rust layer obtained from 18 specimens concluded the possible range of several GPa. This method has manifested itself not only simple but more reliable by performing on the real rust above virgin steel.
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