金属杨氏模量的测量

Measurement of metal Young's modulus

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1
在杨氏模量、金属线胀系数实验中，微小形变量的测量是关键环节。
The measurement of micro deformation is the key in Youn Modulus and linear expansion coefficient experiments.
2
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。
Based on the theory of Fraunhofer diffraction, an improved method is introduced to measure Young ' s modulus of steel wires using CCD.

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