Table 13 Comparison of the calculated activation energy with the values reported in the literature for boride AISI H13 steels.

From: Enhancement of tribological behavior and microhardness of AISI H13 tool steel by electrochemical boriding

Boriding method

Temperature range (°C)

Activation energy (kJ mol−1)

References

Powder

800–1000

227.5 (FeB+Fe2B) with Nanoboron (NB)284.2 (FeB+Fe2B) with Ekabor II

23

Paste

900–1000

219.2 (FeB), 189.6 (Fe2B)

48

Powder

850–950

185.7 (FeB+Fe2B)

49

Powder

800–1000

186.2 (FeB+Fe2B)

18

Powder

850–1000

233 (Fe2B)

32

Electrochemical

850–1050

168.4 (FeB+Fe2B)

Present work