洛氏硬度B标尺测量不确定度的评定及分析  

EVALUATION AND ANALYSIS OF MEASUREMENT UNCERTAINTY FOR ROCKWELL HARDNESS B GAUGE

作　　者：吴益文[1] 胥成民[1] 张霁菁[2] 

机构地区：[1]上海出入境检验检疫局,上海200135 [2]华东理工大学,上海200237

出　　处：《理化检验（物理分册）》2007年第11期568-570,共3页Physical Testing and Chemical Analysis(Part A:Physical Testing)

摘　　要：通过试验对金属洛氏硬度B标尺的不确定度进行了研究,建立了数学模型,分析了测量不确定度的来源。评定结果表明,在包含因子k=2时,洛氏硬度HRB值的扩展不确定度是0.8。The measurement uncertainty for metal Rockwell hardness testing of B Gauge was studied.The mathematical model was set up,and the source of measurement uncertainty was analyzed.The result showed that the expanded uncertainty of HRB was 0.8 when k=2.

关 键 词：金属 洛氏硬度B标尺 不确定度 评定 

分 类 号：TB114.3[理学—概率论与数理统计]