摘要
从发动机修复的角度分析经过４００ｈ服役后的涡轮盘材料ＧＨ４１３３Ａ（Ｂ）的电子束焊接性，探讨了焊缝热影响区沿晶微裂纹的形态、产生原因及经过长期试车等试验后的变化。
EBW weldability of turbine disk material GH4133A(B) after 400h service is analyzed from the angle of the reparation of engine. The morophology of the microcrack along the crystal in the weld and causes and changes after a long term test_run are discussed.
出处
《航空制造技术》
1999年第S1期30-33,共4页
Aeronautical Manufacturing Technology
