Relation between viscoplastic flow, periodic feature and Joule heat validity for electrically assist

• 作 者: 耿海滨 罗键 高建军 项俊锋
• 机 构: SchoolofMechanicalEngineeringandAutomation,StateKeyLaboratoryofAdvancedWeldingandJoining,SchoolofMec
• 出 处: 中国焊接:英文版
• 发表日期: 2020年4期
• 关键词: Electrically assisted friction stir welding dynamic contact resistance visco-pla
• 基金项目: supported by State Key Lab of Advanced Welding and Joining,Harbin Institute of Technology(AWJ-20-Z02),Chongqing Research Program of Basic Research and Frontier Technology (CSTC 2016jcyjA0692),Fuzhou U

Electrically assisted friction stir welding is a promising way to improve liquidity of viscoplastic metal. However, this local heat source only can take into effect in a certain contact interface status. Semi-analytical model and FEM are adopted to analyz