Fatigue crack growth in 2024-T351 friction stir welded joints: Longitudinal residual stress and microstructural effects

International Journal of Fatigue

Volumn 31, Issue 3, 2009, Pages 495-500

  Fratini, L ^a   Pasta, S ^a   Reynolds, A P ^b  

^a UNIVERSITY OF PALERMO   (Italy)

^b The Department of Mechanical Engineering   (United States)

Author keywords

Aluminum alloy; Crack growth; Friction stir welding; Residual stress

Indexed keywords

ALLOYS; ALUMINA; ALUMINUM ALLOYS; ALUMINUM METALLURGY; CRACK DETECTION; CRACK PROPAGATION; CRACKING (CHEMICAL); FATIGUE CRACK PROPAGATION; FATIGUE OF MATERIALS; FRICTION; FRICTION WELDING; LIGHT METALS; RESIDUAL STRESSES; STRENGTH OF MATERIALS; TRIBOLOGY; WELDED STEEL STRUCTURES; WELDING; WELDS;

COMPARATIVE ANALYSIS; COMPLIANCE METHODS; CRACK GROWTH; CRACK GROWTH RATES; CRACK GROWTHS; CRACK PROPAGATION BEHAVIORS; FATIGUE CRACK GROWTH BEHAVIORS; FATIGUE CRACK GROWTH RATES; FATIGUE CRACK GROWTHS; FATIGUE CRACKS; FATIGUE LOADINGS; FRICTION STIR WELDED JOINTS; FRICTION STIR WELDING; FRICTION STIR WELDS; HARDNESS CHANGES; LONGITUDINAL RESIDUAL STRESSES; MICROSTRUCTURAL; MICROSTRUCTURAL EFFECTS; WELD RESIDUAL STRESSES; WELD ZONES;

CRACKS;

EID: 56249100368     PISSN: 01421123     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijfatigue.2008.05.004     Document Type: Article

References (20)

1. Thomas WM. Friction stir butt welding. Vol. International Patent Application No. 9125978.8; 1991.
2. Shigematsu I., Kwon Y.J., Suzuki K., Imai T., and Saito N. Joining of 5083 and 6061 aluminum alloys by friction stir welding. J Mater Sci Lett 22 5 (2003) 353-356
3. Sutton M.A., Yang B., Reynolds A.P., and Taylor R. Microstructural studies of friction stir welds in 2024-T3 aluminum. Mater Sci Eng A 323 1-2 (2002) 160-166
4. Reynolds A.P., Wei T., Gnaupel-Herold T., and Prask H. Structure, properties, and residual stress of 304L stainless steel friction stir welds. Scripta Mater 48 (2003) 5
5. Reynolds A.P., Hood E., and Tang W. Texture in friction stir welds of Timetal 21S. Scripta Mater 52 6 (2005) 4
6. Galatolo R., and Lanciotti A. Fatigue crack propagation in residual stress fields of welded plates. Int J Fatigue 19 1 (1997) 43-49
7. Beghini M., and Bertini L. Fatigue crack propagation through residual stress fields with closure phenomena. Eng Fract Mech 36 3 (1990) 379-387
8. Buffa G, Fratini L, Pasta S, Shivpuri R., On the thermo-mechanical loads and the resultant residual stresses in friction stir processing operations. Annals of CIRP, Elsevier; 2008, accepted for publication.
9. Bussu G., and Irving P.E. The role of residual stress and heat affected zone properties on fatigue crack propagation in friction stir welded 2024-T351 aluminium joints. Int J Fatigue 25 1 (2003) 77-88
10. ASTM. Standard test method for measurement of fatigue crack growth rates. In: ASTM E 647; 1991.
11. Ghidini T., and Donne C.D. Fatigue crack propagation assessment based on residual stresses obtained through cut-compliance technique. Fatigue Fract Eng Mater Struct 30 3 (2007) 214-222
12. John R., Jata K.V., and Sadananda K. Residual stress effects on near-threshold fatigue crack growth in friction stir welds in aerospace alloys. Int J Fatigue 25 9-11 (2003) 939-948
13. Donald J.K., and Lados D.A. An integrated methodology for separating closure and residual stress effects from fatigue crack growth rate data. Fatigue Fract Eng Mater Struct 30 3 (2007) 223-230
14. Lados D.A., Apelian D., and Donald J.K. Fracture mechanics analysis for residual stress and crack closure corrections. Int J Fatigue 29 4 (2007) 687-694
15. Pasta S., and Reynolds A.P. Evaluation of residual stresses during fatigue test on a FSW joint. Strain 44 2 (2008) 147-152
16. Pasta S, Reynolds AP. Residual stress effects on fatigue crack growth in Ti-6Al-4V friction stir welds. Fatigue Fract Eng Mater Struct 2008, accepted for publication.
17. Prime M.B. Residual stress measurement by successive extension of a slot: the crack compliance method. Appl Mech Rev 52 2 (1999) 75-96
18. Schindler H.J. Experimental determination of crack closure by the cut compliance technique (1999), ASTM Special Technical Publication p. 175-87
19. Cirello A., Buffa G., Fratini L., and Pasta S. AA6082-T6 friction stir welded joints fatigue resistance: influence of process parameters. Int Mech E Part B J Eng Manufact 220 6 (2006) 7
20. Mordfin L. Mech Relax Residual Stresses (1988)