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Journal of Materials Science

, Volume 41, Issue 10, pp 2771–2777 | Cite as

Effect of kissing bond on fatigue behavior of friction stir welds on Al 5083 alloy

  • Caizhi Zhou
  • Xinqi Yang
  • Guohong Luan
Article

Abstract

Fatigue properties of FS welds with a kissing bond (bonded welds) were studied by comparing the test results of bonded welds with those of sound welds. The fatigue life of bonded welds is 21∼43 times shorter than that of sound welds under the stress ratio R = 0.1, and the fatigue characteristic values of each welds have decreased from 100.24 MPa for sound welds to 65.57 MPa for bonded welds at 2 × 106 cycles. At the macroscopic level there is no evidence of failure by shear. The fatigue fracture revealed cracks initiated from the root tip of kissing bond.

Keywords

Polymer Fatigue Fatigue Life Fatigue Fracture Stress Ratio 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science + Business Media, Inc. 2006

Authors and Affiliations

  1. 1.School of Materials Science and EngineeringTianjin UniversityTianjinPeople’s Republic of China
  2. 2.China FSW Center Beijing FSW Technology Limited CompanyBeijingPeople’s Republic of China

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