Closed-Form Structural Stress Solutions for Fatigue Life Estimations of Flow Drill Screw Joints in Lap-Shear Specimens of Aluminum 6082-T6 Sheets

Closed-form structural stress solutions are investigated for fatigue life estimations of flow drill screw (FDS) joints in lap-shear specimens of aluminum 6082-T6 sheets with and without clearance hole based on three-dimensional finite element analyses. The closed-form structural stress solutions for rigid inclusions under counter bending, central bending, in-plane shear and in-plane tension are first presented. Three-dimensional finite element analyses of the lap-shear specimens with FDS joints without and with gap (with and without clearance hole) are then presented. The results of the finite element analyses indicate that the closed-form structural stress solutions are quite accurate at the critical locations near the FDS joints in lap-shear specimens without and with gap (with and without clearance hole) for fatigue life predictions. The fatigue life predictions based on the closed-form and computational structural stress solutions are in agreement with the experimental results for FDS joints in lap-shear specimens without and with gap (with and without clearance hole) under high-cycle fatigue loading conditions.

• Record URL:
  https://doi.org/10.4271/2017-01-0470
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/19463979
• Supplemental Notes:
  • Abstract reprinted with permission of SAE International.
• Authors:
  • Zhang, Lunyu
  • Sung, Shin-Jang
  • Pan, Jwo
  • Su, Xuming
  • Friedman, Peter
• Conference:
  • WCX™ 17: SAE World Congress Experience
  • Location: Detroit Michigan, United States
  • Date: 2017-4-4 to 2017-4-6
• Publication Date: 2017-3-28

Language

• English

Media Info

• Media Type: Web
• Features: Figures; Photos; References;
• Pagination: 6p
• Serial:
  • SAE International Journal of Materials and Manufacturing
  • Volume: 10
  • Issue Number: 2
  • Publisher: SAE International
  • ISSN: 1946-3979
  • EISSN: 1946-3987
  • Serial URL: http://saematman.saejournals.org/

Subject/Index Terms

• TRT Terms: Aluminum; Fatigue strength; Finite element method; Joining; Lap joints; Screws; Service life; Shear strength; Structural analysis
• Subject Areas: Highways; Vehicles and Equipment;

Filing Info

• Accession Number: 01633071
• Record Type: Publication
• Source Agency: SAE International
• Report/Paper Numbers: 2017-01-0470
• Files: TRIS, SAE
• Created Date: Mar 29 2017 4:38PM