特钢棒材室温拉伸试验测量不确定度的评定

Evaluation on Measurement Uncertainty of Tensile Test of Special Steel Metallic Materials at Room Temperature

以国家标准GB/T 228.1-2021为基础,分析了特钢棒材室温拉伸试验的测量不确定度的几种主要来源,建立对应的数学模型,根据模型进行评定。本文所使用的数学模型和对应评定方法为特钢棒材室温拉伸试验的测量不确定度评定提供了依据和参考。

Based on the national standard GB/T 228.1-2021, several main sources of measurement uncertainty in tensile test of special steel bar at room temperature were analyzed, corresponding mathematical models were established, and evaluation was carried out according to the models. The mathematical model and corresponding evaluation method used in this paper provide the basis and reference for evaluating the measurement uncertainty of the tensile test of special steel bar at room temperature.