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乏信息材料布氏硬度测量不确定度蒙特卡罗评定

, PP. 225-229

Keywords: 布氏硬度测量,不确定度,乏信息,蒙特卡罗方法

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Abstract:

应用蒙特卡罗方法实现小样本材料布氏硬度测量不确定度的评定。依据测量误差源标定数据或布氏硬度测量结果两种数据处理途径,分析已知数据的概率分布特性,通过产生大样本量的随机数进行仿真,拓宽数据样本空间,进而分别依据不确定度合成和贝塞尔公式计算出乏信息材料布氏硬度测量不确定度。通过具体的测量实例验证了本方法的可行性。

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