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本文从断裂力学的角度探讨了航空发动机主轴承结构、材料引起套圈断裂问题。并给出了两个高DN值轴承套圈损伤容限设计准则。
In this paper, the main bearing structure of aeroengine is discussed from the point of view of fracture mechanics. The design criteria for damage tolerance of two high DN bearing rings are given.