An image of a cross section of a welded butt joint, with shading that shows the locations of the fusion zone (dark gray) and the heat-affected zone (middle...
This image is a derivative work of the following images: File:Welded_butt_joint_x-section.png licensed with Cc-by-sa-3.0,2.5,2.0,1.0 2005-05-06T04:03:12Z...