ANALYSIS OF CRACKING OF JOINT BOLT FOR WING AND FUSELAGE OF AN AIRCRAFT
飞机机翼与机身连接螺栓裂纹分析

The cracks at the joint bolt for the wing and fuselage of an aircraft were observed,when the aircraft was experienced a field maintenance,as a result of analyzing the relevant macroscopic and microscopic features of the fracture,measuring the change of chemical compositions around cracks,as well as combining the repairing process for bolts,the reason for the cracks generation was found out.