Figure 146

Bright field photomicrograph of an etched polished cross section of a weld on a large bronze fragment. Three zones may be distinguished: the primary cast (Base Metal), the heat-affected zone (HAZ), and the welding zone (Weld Metal). The joining zone is indicated (white dotted line). Fragment from the Hoard of Evreux, France, 1st century CE, L. 14 cm (Musée d’Evreux, France, inv. 4864). See Azéma et al. 2012; Azéma and Mille 2013a.