Determination of fatigue related discontinuity state of 7000 series of aerospace aluminum alloys

Engineering Failure Analysis

Volumn 14, Issue 4, 2007, Pages 673-685

  Merati, Ali ^a   Eastaugh, Graeme ^a  

^a NATIONAL RESEARCH COUNCIL CANADA   (Canada)

Author keywords

Aluminum alloys; Anodizing; Cladding; Discontinuity; Fatigue life; Nucleation

Indexed keywords

ANODIC OXIDATION; CLADDING (COATING); CRACKS; FATIGUE OF MATERIALS; MICROSTRUCTURE; NUCLEATION; SURFACE ROUGHNESS;

DISCONTINUITY; FATIGUE CRACK NUCLEATION;

ALUMINUM ALLOYS;

ALUMINUM ALLOYS; ANODIC OXIDATION; CLADDING (COATING); CRACKS; FATIGUE OF MATERIALS; MICROSTRUCTURE; NUCLEATION; SURFACE ROUGHNESS;

EID: 33846317787     PISSN: 13506307     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.engfailanal.2006.02.016     Document Type: Article

References (22)

1. Palmgren A. Die Lehensdauer von kugellagern vol. 68 (1924), Verfahren stechinik p. 339-41
2. Gallagher JP, Giessler FG, Berens AP, Engle Jr RM. USAF damage tolerant design handbook: guidelines for the analysis and design of damage tolerant aircraft structures - final report AFWAL-TR-82-3073. AD-A153-161, May 1984.
3. Joint service specification guide aircraft structures, JSSG-2006, United States of America Department of Defense, 30 October 1998.
4. Merati A, Tsang J, Kyle K. Exploratory test results for the determination of fatigue-related features of the initial discontinuity state (IDS) of two aluminum alloys. Internal NRC/IAR report LTR-SMPL-2001-0150, July 2001.
5. Merati A, Chang C, Tsang J, Khomusi S, Kourline A, Kyle K, Eastaugh G. Test results for the determination of fatigue-related features of the initial discontinuity state (IDS) of 7075-T6 and 7079-T6 aluminum alloys. NRC/IAR report LTR-SMPL-2003-0002, January 2003.
6. ASTM standard ASTM E466-96. Conducting force controlled constant amplitude axial fatigue test of metallic materials. American Society of Testing Materials Standards, vol. 3.02.
7. Metals handbook. 9th ed. Metallography and microstructures, vol. 9, American Society for Metals. p. 355-7.
8. Jones SA, Bell RP. M&P Engineering, Lockheed Martins aeronautics, private communication.
9. Laz P.J., and Hillberry B.M. Fatigue life prediction from inclusion initiated cracks. Int J Fatigue 20 4 (1997) 263-270
10. Rudd JL, Yang JN, Manning SD, Yee BGW. Probabilistic fracture mechanics analysis methods for structural durability. Behavior of short cracks in airframe components. In: AGARD conference proceeding no. 328, April 1983.
11. Kung C.Y., and Fine M.E. Fatigue-crack initiation and microcrack growth in 2024-T4 and 2124-T4 aluminum alloys. Metall Trans A 10A (1979) 603-610
12. Starke Jr. E.A., and Lutjering G. Cyclic plastic deformation and microstructure. Fatigue and Microstructure (1979), ASM, Metals Park (OH) p. 205-43.
13. Ritchie RO, Suresh S. Mechanics and physics of the growth of small cracks. behavior of short cracks in airframe components. In: AGARD conference proceeding no. 328, 1983, p1-1.
14. Miller K.J. The behavior of short fatigue cracks and their initiation, part II, a general summary. Fatigue Fract Eng Mater Struct 10 2 (1987) 93
15. Newman Jr JC, Edwards PR. Short crack growth behavior in an aluminum alloy. An AGARD cooperative test programme, AGARD report 732, 1988.
16. Cree A.M., and Weidmann G.W. Effect of anodized coatings on fatigue crack growth rates in aluminium alloy. J Surf Eng 13 1 (1997) 51-55
17. Hartman A. The effect of anodizing on the fatigue strength of 2024-T3 Alclad specimens notched by an open hole. National Aerospace Laboratory NLR, The Netherlands, NLR-TR-68080-U.
18. Hunter MS, Fricke WG. Metallographic aspects of fatigue behavior of aluminum. In: Proceedings, ASTM, vol. 54, 1954. p. 717-36.
19. Edwards PR, Earl MG. A comparative study of the fatigue performance of notched specimens of clad and unclad aluminium alloy, with and without a pre-stress. RAE technical report of aeronautical research council, Farnborough, CP. No. 1361, 1977.
20. Wanhill RJH. Effects of cladding and anodizing on flight simulation fatigue of 2024-T3 and 7475-T761 aluminium alloys. Fatigue prevention and design. In: Proceedings of international conference at Amsterdam, Netherlands, April 21-24, 1986. p. 323-32.
21. Rateick Jr. R.G., Binkowski T.C., and Boray B.C. Effect of hard anodize thickness on the fatigue of AA6061 and C355 aluminium. J Mater Sci Lett 15 15 (1996) 1321-1323
22. Abramovici E, Leblanc P, Weaver B. The influence of etch pits on the fatigue life of anodized aluminum alloys: fractographic examination. In: Proceedings of the international conference and exhibits on failure analysis, 8-11 July 1991, Montreal, Canada. p. 21-32.