Effect of post-weld aging treatment on mechanical properties of Tungsten Inert Gas welded low thickness 7075 aluminium alloy joints

Materials and Design

Volumn 32, Issue 6, 2011, Pages 3532-3536

  Temmar, M ^a   Hadji, M ^a,b   Sahraoui, T ^a,b  

^a UNIVERSITY OF BLIDA   (Algeria)

^b Centre Recherche Scientifique et Technique en Soudage et Controle   (Algeria)

Author keywords

[No Author keywords available]

Indexed keywords

7075 ALUMINIUM ALLOY; 7075-T6; AGING TREATMENT; ALUMINIUM ALLOYS; ALUMINIUM WELDS; CHARPY IMPACT ENERGY; HOT CRACKING; LOW RESISTANCE; MICROSTRUCTURE MODIFICATIONS; MICROSTRUCTURES AND MECHANICAL PROPERTIES; SOLIDIFICATION SHRINKAGE; THERMAL CONDITION; TUNGSTEN INERT GAS; WELD FUSION ZONES; WELD JOINTS; WELD MECHANICAL PROPERTIES; WELD METAL; WELDED JOINTS;

ALUMINUM; ALUMINUM ALLOYS; ELECTRIC ARC WELDING; HARDNESS; INERT GASES; MICROSTRUCTURE; SOLIDIFICATION; STAINLESS STEEL; TENSILE STRENGTH; TUNGSTEN; WELDING; WELDS;

MECHANICAL PROPERTIES;

EID: 79953164069     PISSN: 02641275     EISSN: 18734197     Source Type: Journal    
DOI: 10.1016/j.matdes.2011.02.011     Document Type: Article

References (17)

1. Kim H.T., Nam S.W. Solidification cracking susceptibility of high strength aluminium alloy weldment. Scripta Mater 1996, 1139-1145.
2. Manti R., Dwivedi D.K., Agarwal A. Pulse TIG welding of two Al-Mg-Si alloys. J Mater Eng Perform 2008, 17(5):667-673.
3. Gall TL. Metal Handbook. In: Howard E Boyer, editor. ASM; 1995, p. 30.17-23.
4. Lefebre F., Ganguly S., Sinclair I. Micromechanical aspects of fatigue in MIG welded aluminium airframe alloy. J Mater Sci Eng A 2003, 397:338-345.
5. Wen-Long Dai Effects of high density ultrasonic-wave emission on the weldability of 7075-T6. J Mater Lett 2008, 57:2447-2454.
6. Janaki Ram G.D., Mitra T.K., Shankar V. Microstructural refinement through inoculation of type 7020 Al-Zn-Mg alloy welds and its effects on hot cracking and tensile property. J Mater Process Technol 2003, 142:174-181.
7. Dumont M., Lefebvre W., Doisneau-Cottignies B., Deschamps A. Characterisation of the composition and volume fraction of η′ and η precipitates in an Al-Zn-Mg alloy by a combination of atom probe, small-angle X-ray scattering and transmission electron microscopy. J Acta Mater 2005, 53(10):2881-2892.
8. Devalay R. Traitements thermiques des alliages d'aluminium. Traitements des métaux MD2-M1290. Ed. Techniques de l'Ingénieur, Paris; 1986, p. M1292-7.
9. Ma T., Den Ouden G. Softening of Al-Zn-Mg aluminium alloys due to welding. J Mater Sci Eng A 1999, A 266:198-204.
10. Ringer S.P., Sakurai T., Polmear I.J. Origins of hardening in aged Al-Cu-Mg-(Ag) alloys. J Acta Mater 1997, 45(9):3731-3744.
11. Marlaud T., Deschamps A., Beley F., Lefebre W., Baroux B. Evolution of precipitate microstructures during the retrogression and re-ageing heat treatment of an Al-Zn-Mg-Cu alloy. J Acta Mater 2010, 58:248-260.
12. Berg L.K., Hansen V. GP-zones in Al-Zn-Mg alloys and their role in artificial aging. J Acta Mater 2001, 49:3442-3451.
13. Hono K., Sakurai T., Polmear I.J. Pre-precipitate clustering in an AlCuMgAg alloy. J Scripta Metal et Mater 1994, 30(6):695-700.
14. Park J.K., Ardell A.J. Microstructures of the commercial 7075 Al alloy in the T651 and T7 tempers. J Metal Trans A 1983, 14(10):1957-1965.
15. Gjønnes J., Simensen Chr J. An electron microscope investigation of the microstructure in an aluminium-zinc-magnesium alloy. J Acta Metal 1970, 18(8):881-890.
16. Mohammad Tjally, Zainul Huda, Masjuki H.H. A comparative analysis of tensile and impact-toughness behaviour of cold-worked and annealed 7075 aluminium alloy. Int J Impact Eng 2010, 37:425-432.
17. Gall TL. Metal Handbook. In: Howard E. Boyer, editor. ASM; 1995. p 36.7-10.