对矩形试样拉伸试验测量的不确定度进行分析，得出了计算其不确定度的公式。
This paper analyzes the uncertainty of tensile test measurement for square specimen and gives formulae to calculate the uncertainty of measurement.
对试样进行了硬度、拉伸强度、断裂伸长率、热老化等性能试验；对老化后的试样表面进行了SEM表征。
Hardness, tensile strength, breaking elongation ratio and aging property of samples were tested and surface of sample after aging was represented by SEM.
本论文通过缺口拉伸试样的拉伸试验数据证明了以上关系。
In this paper, the experimental results of notch tensile specimens demonstrate the above relationships.
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