Table 1 Chemical constituents of workpiece materials.

From: Geometric influence and multi-objective optimization of WEDM for hardened tool steels using ANN and NSGA-II

Element

D2 steel

DC53 steel

Wt.%

Wt.%

Cr

12.0%

8.0%

C

1.50%

1.50%

Si

0.30%

0.30%

Mo

0.80%

2.0%

V

0.90%

0.30%

P

0.03%

0.03%

Ni

0.30%

0.50%

Cu

0.26%

0.03%

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