On the Prediction of Strength from Hardness for Copper Alloys
Table 1
Results of regression analysis for hardness-strength data of alloys.
Data type
Property
Regression equation
Valid range (VHN)
Data points
All
YS
0.916
50–425
120
UTS
0.933
50–425
120
Medium UTS/YS
YS
0.887
50–220
30
UTS
0.934
50–220
30
High UTS/YS
YS
0.845
50–142
26
UTS
0.665
50–142
26
Low UTS/YS
YS
0.933
78–425
64
UTS
0.917
78–425
64
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