Figure 3. Comparison of mild steel HAZ hardness of weldments as obtained from experiment and derived model

From

Reliability Level of Welding Voltage Dependence of Heat Affected Zone (HAZ) Hardness of Selected Metallic Weldments Cooled in Groundnut Oil

C. I. Nwoye, C. C. Nwogbu, A. O. Agbo, J. U. Odo, S. O. Nwakpa

Materials Science and Metallurgy Engineering. 2013, 1(2), 22-26 doi:10.12691/msme-1-2-2