阅读说明：本技术 一种有效控制钛合金薄壁零件电子束焊缝宽度的方法 (Method for effectively controlling width of electron beam weld of titanium alloy thin-wall part ) 是由 郑医 张宇慧 李杨 陈健 宋健 祁成雷 李洪宇 李梓豪 于 2021-09-10 设计创作，主要内容包括：本发明属于钛合金零件焊接技术领域,尤其是一种有效控制钛合金薄壁零件电子束焊缝宽度的方法；该方法依次经过化学清洗、去氢、零件清理、零件装配、采用特定电子束焊工艺、焊后清理、焊后热处理、检验。采用本发明提出的控制方法可以有效控制焊缝位置处焊缝宽度,进而保证焊后接头热影响区的宽度和接头的力学性能,以及邻近区域的端面跳动控制在0.2mm以内,焊缝宽度控制在0.8mm～δ以内,接头强度达到基体强度的90％,接头热影响区的硬度大于等于HRC26。(The invention belongs to the technical field of titanium alloy part welding, in particular to a method for effectively controlling the width of an electron beam welding seam of a titanium alloy thin-wall part; the method sequentially comprises the steps of chemical cleaning, dehydrogenation, part cleaning, part assembly, adoption of a specific electron beam welding process, cleaning after welding, heat treatment after welding and inspection. The control method provided by the invention can effectively control the width of the weld joint at the position of the weld joint, further ensure the width of the heat affected zone of the welded joint and the mechanical property of the joint, control the end face runout of the adjacent area within 0.2mm, control the width of the weld joint within 0.8 mm-delta, control the strength of the joint to 90% of the strength of a base body, and control the hardness of the heat affected zone of the joint to be more than or equal to HRC 26.)