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The Effects of Surface Roughness and Bond Thickness on the Fatigue Life of Adhesively Bonded Tubular Single Lap Joints

비틀림 접착 조인트의 피로 수명에 대한 표면 조도와 접착 두께의 영향

  • Published : 2000.08.01

Abstract

Since the surface roughness of adherends affects much the strength of adhesivelybonded joints, the effect of surface roughness on the fatigue life of adhesively bonded tubular single lap joints was investigated analytically and experimentally by fatigue torsion test. The stiffness of the interfacial layer between adherends and adhesive was modeled as a normal statistical distribution function of surface roughness of adherends. From the investigation, it was found that the optimum surface roughness of adherends for the fatigue strength of tubular single lap joints was dependent on bondthickness and applied load.

Keywords

Adhesively Bonded Tubular Single Lap Joint;Fatigue Strength;Optimum Surface Roughness;Interfacial Layer;Statistical Distribution of Stiffness

References

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