Liquation cracking in full-penetration Al-Mg-Si welds

Welding Journal (Miami, Fla)

Volumn 83, Issue 4, 2004, Pages

  Huang, C ^a   Kou, S ^a  

^a Wisconsin Electric Machines and Power Electronics Consortium   (United States)

Author keywords

Alloy 6061; Alloy 6082; Aluminum; Circular Patch Test; Liquation Cracking; Partially Melted Zone; Scheil Equation

Indexed keywords

LIQUATION CRACKING; PARTIALLY MELTED ZONE (PMZ); TENSILE STRAINS;

CRACK INITIATION; DATABASE SYSTEMS; DEFORMATION; EUTECTICS; FILLER METALS; GRAIN BOUNDARIES; OSCILLATIONS; SOLIDIFICATION; STAINLESS STEEL; WELDS;

ALUMINUM ALLOYS;

EID: 2342586872     PISSN: 00432296     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (53)

1. Kou S. 2003. Welding Metallurgy, 2nd edition, pp. 151, 160-163, and 303-339. New York, N.Y.: John Wiley and Sons.
2. Dudas, J. H., and Collins, F. R. 1966. Preventing weld cracks in high-strength aluminum alloys. Welding Journal 45(6): 241-s to 249-s.
3. Metzger, G. E. 1967. Some mechanical properties of welds in 6061 aluminum alloy sheet. Welding Journal 46(10): 457-s to 469-s.
4. Steenbergen, J. E., and Thornton, H. R. 1970. Quantitative determination of the conditions for hot cracking during welding for aluminum alloys. Welding Journal 49(2): 61-s to 68-s.
5. Gittos, N. F., and Scott, M. H. 1981. Heat-affected zone cracking of Al-Mg-Si alloys. Welding Journal 60(6): 95-s to 103-s.
6. Ma, T., and Den Ouden, G. 1999. Liquation cracking susceptibility of Al-Zn-Mg alloys. International Journal for the Joining of Materials (Denmark) 11 (3): 61-67.
7. Katoh, M., and Kerr, H. W. 1987. Investigation of heat-affected zone cracking of GTA welds of Al-Mg-Si alloys using the Varestraint test. Welding Journal 66(12): 360-s to 368-s.
8. Kerr, H. W., and Katoh, M. 1987. Investigation of heat-affected zone cracking of GMA welds of Al-Mg-Si alloys using the Varestraint test. Welding Journal 66(9): 251-s to 259-s.
9. Miyazaki, M., Nishio, K., Katoh, M., Mukae, S., and Kerr, H. W. 1990. Quantitative investigation of heat-affected zone cracking in aluminum Alloy 6061. Welding Journal 69(9): 362-s to 371-s.
10. Gitter, R., Maier, J., Muller, W., and Schwellinger, P. 1992. Formation and effect of grain boundary openings in AlMgSi alloys caused by welding. Proceedings of 5th International Conference on Aluminum Weldments. P. 4.1.1. Eds. D. Kosteas, R. Ondra, and F. Ostermann, Technische Universita Munchen, Munchen, Germany.
11. Powell, G. L. F., Baughn, K., Ahmed, N., Dalton, J. W., and Robinson, P. 1995. The cracking of 6000 series aluminum alloys during welding. Proceedings of International Conference on Materials in Welding and Joining. Institute of Metals and Materials Australasia, Parkville, Victoria, Australia.
12. Ellis, M. B. D., Gittos, M. F., and Hadley, I. 1997. Significance of liquation cracks in thick section Al-Mg-Si alloy plate. The Welding Institute Journal (U.K.) 6(2): 213-255.
13. Schillinger, D. E., Betz, I. G., Hussey, F. W., and Markus, H. 1963. Improving weld strength in 2000 series aluminum alloys. Welding Journal 42: 269-s to 275-s.
14. Young, J. G. 1968. BWRA experience in the welding of aluminum-zinc- magnesium alloys. Welding Journal 47(10): 451-s to 461-s.
15. Lippold, J. C., Nippes, E. F., and Savage, W. F. 1977. An investigation of hot cracking in 5083-O aluminum alloy weldments. Welding Journal 56(6): 171-s to 178-s.
16. Huang, C., Kou, S., and Purins, J. R. 2001. Liquation, solidification, segregation and hot cracking in the partially melted zone of Al-4.5Cu welds. Proceedings of Merton C. Flemings Symposium on Solidification Processing, p. 229. Eds. R. Abbaschian, H. Brody, and A. Mortensen, The Mineral, Metals and Materials Society, Warrendale, Pa.
17. Huang, C., and Kou, S. 2000. Partially melted zone in aluminum welds - liquation mechanism and directional solidification. Welding Journal 79 (5): 113-s to 120-s.
18. Huang, C., and Kou, S. 2002. Liquation mechanism in welds of multicomponent aluminum alloys. Welding Journal 81 (10): 211-s to 222-s.
19. Huang, C., and Kou, S. 2001. Partially melted zone in aluminum welds - planar and cellular solidification. Welding Journal 80 46-s to 53-s.
20. Huang, C., and Kou, S. 2001. Partially melted zone in aluminum welds - solute segregation and mechanical behavior. Welding Journal 80 (1):9-s to 17-s.
21. Borland J. C., and Rogerson, J. H. 1963. Examination of the patch test for assessing hot cracking tendencies of weld metal. British Welding Journal 8: 494-499.
22. Savage, W. F., and Lundin, C. D. 1965. The Varestraint test. Welding Journal 44(10): 433-s to 442-s.
23. Savage, W. F., and Lundin, C. D. 1966. Application of the Varestraint technique to the study of weldability. Welding Journal 45(11): 497-s to 503-s.
24. Huang, C., and Kou, S. 2003. Liquation cracking in partial-penetration aluminum welds: Effect of penetration oscillation and backfilling. Welding Journal 82(7): 184-s to 194-s.
25. Huang, C., Cao, G., and Kou, S. Liquation cracking in partial-penetration aluminum welds: Assessing tendencies to liquate, crack and backfill. Science and Technology of Welding and Joining, in press.
26. Huang, C., and Kou, S. 2004 Liquation cracking in full-penetration Al-Cu welds. Welding Journal 83(2): 50-s to 58-s.
27. Cross, C. E., and Gutscher, D. 2003. Effect of Cu and Fe on weldability of aluminum 2519. In Trends in Welding Research, ASM International, Materials Park, Ohio, ed. by S.A. David et al., pp. 638-641.
28. Nelson, T. W., Lippold, J. C., Lin, W., and Baselack III, W. A. 1997. Evaluation of the circular patch test for assessing weld solidification cracking, I. Development of a test method. Welding Journal 76(3): 110-s to 119-s.
29. Houldcroft, R. T. 1954. Dilution and uniformity in aluminum alloy weld beads. British Welding Journal 1: 468-472.
30. Woods, R. A., 1980. Metal transfer in aluminum alloys. Welding Journal 59(2): 59-s to 66-s.
31. Flemings, M. C. 1974. Solidification Processing, pp. 34-36, 160-162, and Appendix B. New York, N.Y.: McGraw-Hill.
32. Philips, H. W. L. 1959. Annotated Equilibrium Diagrams of Some Aluminum Alloy Systems. p. 67. Institute of Metals, London, U.K.
33. Pandat. 2001. Phase diagram calculation software package for multicomponent systems. 2001. CorapuTherm LLC, Madison, Wis.
34. PanAluminium 2001. Thermodynamic database for commercial aluminum alloys. CompuTherm LLC, Madison, Wis.
35. Liu, Z. K., and Chang, Y. A. 1999. Thermodynamic assessment of the Al-Fe-Si system. Metallurgical and Materials Transactions A 30A(4): 1081-1095A.
36. Liang, H., and Chang, Y. A. 1999. A thermodynamic database on aluminum alloys for practical alloy design. Light Metals, Minerals, Metals and Materials Society/AIME, pp. 875-881.
37. Chang, Y. A., Xie, F. Y., Kraft, T., Zuo, Y., and Moon, C. H. 1999. Microstructure and microsegregation in Al-rich Al-Cu-Mg alloys. Acta Materialia 47(2): 489-500.
38. Huang, W., and Chang, Y. A. 1998. A thermodynamic analysis of the Al-Re system. Journal of Phase Equilibria 19(4): 361-366.
39. Liang, H., and Chang, Y. A. 1998. A thermodynamic description for the Al-Cu-Zn syslem. Journal of Phase Equilibria 19(1): 25-37.
40. Liang, H., Chen, S. L., and Chang, Y. A. 1997. A thermodynamic description of the Al-Mg-Zn system. Metallurgical and Materials Transactions A 28A(9): 1725-1734A.
41. Chen, S. L., Zuo, Y., Liang, H., and Chang, Y. A. 1997. A thermodynamic description for the ternary Al-Mg-Cu system. Metallurgical and Materials Transactions A 28A(2): 435-446A.
42. Zuo, Y., and Chang, Y. A. 1996. Calculation of phase diagram and solidification paths of ternary. Materials Science Forum 215-216: 141-148.
43. Chang, Y. A., Chen, S. L., Zuo, Y., Zhang, F., Daniel, S. L., Moon, C. H., Liang, H., Xie, F. Y., Huang, W., and Liu, Z. K. 1996. Phase diagram calculation: a critical tool for alloy and processing design. Proceedings of The International Conference-MSMM'96. Modeling and Simulation in Metallurgical Engineering and Materials Science, Metallurgical Industry Press, pp. 185-190.
44. Chen, S. L., and Chang, Y. A. 1993. A thermodynamic analysis of the Al-Zn system and phase diagram calculation. Calphad 17(2): 113-124.
45. Zuo, Y., and Chang, Y. A. 1993. Thermodynamic calculation of the aluminum-magnesium phase diagram. Calphad 17(2): 161-174.
46. Zuo, Y., and Chang, Y. A. 1992. Calculation of Phase Diagram and Solidification Paths of Aluminum-Rich Al-Mg-Cu Ternary Alloys. The Minerals, Metals & Materials Society, pp. 935-942.
47. Chen, S. W., Beumler, H. W., and Chang, Y. A. 1991. Experimental determination of the phase equilibria of aluminum-rich Al-Li-Cu alloys. Metallurgical Transactions A 22A(1): 203-213.
48. Chen, S. W., and Chang, Y. A. 1991. Application of thermodynamic models to the calculation of solidification paths of aluminumrich Al-Li alloys. Metallurgical Transactions A 22A(1): 267-271.
49. Chen, S. W., Lin, J. C., Chang, Y. A., and Chu, M. G. 1990. Phase Equilibria and Solidification of Aluminum-Rich Al-Li-Cu Alloys. The Minerals, Metals & Materials Society, pp. 985-988.
50. Chen, S. W., Jan, C. H., On, J. C., and Chang, Y. A. 1989. Phase equilibria of the AlLi binary system. Metallurgical Transactions A 20A(11): 2247-2258.
51. Chen, S. W., Chang, Y. A., and Chu, M. G. 1989. Phase Equilibria and Solidification of Al-Li Alloys. Materials and Component Engineering Publications Ltd., pp. 585-594.
52. Singer, A. R. E., and Cottrell, S. A. 1946. Properties of the Al-Si alloys at temperatures in the region of the solidus. Journal of Institute of Metals 73:33-54.
53. Jennings, P. H., Singer, A. R. E., and Pumphrey, W. I. 1948. Hot-shortness of some high-purity alloys in the systems aluminum-copper-silicon and aluminum-magnesium-silicon. J. Inst. Metals 74: 227-248.