Fig. 2From: Influence of pretreated wood dowel with CuCl2 on temperature distribution of wood dowel rotation weldingTemperature distribution at different times for the untreated and pretreatment group. a–c Untreated group with welded times 3, 5, and 7 s. d–f Pretreated group with welded times 3, 5, and 7 sBack to article page