本文在对试验结果观察分析的基础上提出一种单孔螺接接头的临界挤压强度的估算方法，考虑了螺栓拧紧的效应。
In this paper, a method is presented for predicating critical bearing strength of single-hole bolted joints in composite on the basis of observing and analysing the results of experiments.
定性的讨论了挤压次数及材料力学性能对冷压焊接头性能的综合影响。
Integrated influence of extrusion times and metal "s mechanical property to quality of cold pressure welding joint was discussed."
层状裂纹是7003铝合金挤压材料对焊接头中最主要的缺陷之一。
Lamellar tearing is one of the main defects in flash-butt welded joint of Al—Zn—Mgallog type 7003.
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