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前言飞机重要承力焊接构件是用30CrMnSiA和30CrMnSiNi2A 合金结构钢制做的,在服役期间经常出现裂纹,本工作通过100架大修飞机的重要承力焊接构件裂纹的故障统计得出:
Preface Important aircraft bearing components are made of 30CrMnSiA and 30CrMnSiNi2A alloy structural steel, often during service cracks, the work through the 100 major overhaul aircraft bearing the important components of the crack fault statistics: