Based on the theory of Fraunhofer diffraction, an improved method is introduced to measure Young ' s modulus of steel wires using CCD.
根据夫琅和费衍射原理，采用CCD来测量金属丝在拉力作用下的微小伸长量，对钢丝的杨氏模量进行了测量。
The longitudinal yield strength and the Young′s modulus increase with the draw ratio.
纵向屈服强度和模量随拉伸比增加而提高。
When the sample is at the stage of grinding damage, the axial force and torque are related to the Young? S modulus, cohesion and internal friction Angle except the compression strength.
而处于研磨阶段时，轴向压力、扭矩和试样弹性模量、黏聚力及内摩擦角有关，与抗压强度无关。
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