APMP.M.H-S3 Final Report Comparison on Hardness ... - BIPM
APMP.M.H-S3 Final Report Comparison on Hardness ... - BIPM
APMP.M.H-S3 Final Report Comparison on Hardness ... - BIPM
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Revisi<strong>on</strong>: <str<strong>on</strong>g>Final</str<strong>on</strong>g> <str<strong>on</strong>g>Report</str<strong>on</strong>g><br />
Date: May 25, 2012<br />
9. <str<strong>on</strong>g>Comparis<strong>on</strong></str<strong>on</strong>g> Results<br />
The comparis<strong>on</strong> results, comparis<strong>on</strong> reference value (CRV), the deviati<strong>on</strong> value of each NMIs from CRV as well as their uncertainty and En<br />
ratio, are calculated and shown in Table 15, Figure 2 and Figure 3 for Rockwell scale A.<br />
Table 14 C<strong>on</strong>clusi<strong>on</strong> of comparis<strong>on</strong> evaluati<strong>on</strong> <strong>on</strong> Rockwell hardness scale A<br />
<str<strong>on</strong>g>Comparis<strong>on</strong></str<strong>on</strong>g> evaluati<strong>on</strong><br />
Nominal (HRA) 35 40 55 60 70 80 85<br />
CRV 35.31 39.15 55.12 60.53 70.78 81.46 85.55<br />
U(CRV) 0.18 0.21 0.17 0.17 0.17 0.17 0.17<br />
D_NIMT 0.02 0.03 0.01 -0.01 -0.12 -0.09 -0.15<br />
U(D_NIMT) 0.44 0.47 0.43 0.42 0.42 0.42 0.42<br />
En ratio NIMT 0.04 0.06 0.03 -0.02 -0.29 -0.21 -0.36<br />
D_PTB -0.14 -0.17 0.05 0.09 0.07 0.03 -0.05<br />
U(D_PTB) 0.40 0.41 0.35 0.35 0.35 0.34 0.35<br />
En ratio PTB -0.36 -0.41 0.13 0.27 0.20 0.08 -0.15<br />
D_KRISS 0.24 0.25 -0.25 -0.27 -0.10 -0.14 -0.16<br />
U(D_KRISS) 0.50 0.51 0.43 0.43 0.43 0.43 0.44<br />
En ratio KRISS 0.47 0.48 -0.56 -0.61 -0.24 -0.32 -0.36<br />
D_NPLI 0.00 0.01 0.10 0.07 0.07 0.10 0.25<br />
U(D_NPLI) 0.36 0.47 0.36 0.35 0.35 0.34 0.35<br />
En ratio NPLI -0.01 0.03 0.27 0.18 0.20 0.30 0.70<br />
Page 21 of 77
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