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对HR— 4类J75、J90电子束焊接工艺性进行了研究 ,提出了能满足设计和使用要求的焊接工艺参数 ,并对焊接与热处理不同的处理顺序对焊后机械性能的影响作出了评价
The HR-4 class J75, J90 electron beam welding technology was studied, and the welding process parameters which can meet the design and application requirements were put forward. The influence of different welding sequence and heat treatment sequence on the mechanical properties after welding was evaluated