An investigation on the effects of gases in GTA welding of a wrought AZ80 magnesium alloy

Welding Journal (Miami, Fla)

Volumn 83, Issue 7, 2004, Pages

  Marya, M ^a   Edwards, G R ^a   Liu, S ^a  

^a Department of Geology and Geological Engineering   (United States)

Author keywords

Arc Physics; Fusion Zone Dimensions; Gas; Magnesium; Phase Stability; Porosity

Indexed keywords

ARC PHYSICS; FUSION ZONE DIMENSIONS; IONIZATION POTENTIAL; PHASE STABILITY;

DEFECTS; ELECTRIC CONDUCTIVITY; ENERGY DISPERSIVE SPECTROSCOPY; ENTHALPY; GAS DYNAMICS; GAS METAL ARC WELDING; IONIZATION; MELTING; MICROSTRUCTURE; POROSITY; SOLIDIFICATION; THERMAL CONDUCTIVITY; THERMAL DIFFUSION; X RAY DIFFRACTION ANALYSIS;

MAGNESIUM ALLOYS;

EID: 3242773690     PISSN: 00432296     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (24)

1. Friedrich, H., and Schumann, S. 2000. The second age of magnesium - research strategies to bring the automotive industry's vision to reality. Proceedings of the Second Israeli International Conference on Magnesium Science and Technology, Beer Sheva, Israel: Magnesium Research Institute, pp. 9-18.
2. Stern, A., and Munitz, A. 1999. Partially melted zone microstructural characterization from gas tungsten-arc bead-on-plate welds of magnesium AZ91 alloy. Journal of Material Science Letters 18: 853-855.
3. 2 laser beam welding of magnesium-based alloys. Welding Journal 11 (4): 149-s to 154-s.
4. Marya, M., Edwards, G. R., Marya, S. K., and Olson, D. L. 2001. Fundamentals in the fusion welding of magnesium and its alloys. Proceedings of Seventh International Symposium of the Japan Welding Society on Today and Tomorrow in the Science and Technology of Welding and Joining, Ed. T. Ohji. Tokyo, Japan: Japan Welding Society.
5. Zhao, H., and DebRoy, T. 2001. Pore formation during laser beam welding of die-cast magnesium alloy AM60B - mechanism and remedy. Welding Journal 80(8): 204-s to 210-s.
6. ASM Handbook, Vol. 6, Welding, Brazing and Soldering. 1993. Materials Park, Ohio: ASM International.
7. Lancaster, J. F. 1984. The Physics of Welding, Second Edition. U.K.: Pergamon Press.
8. Lancaster, J. F., 1999. Metallurgy of Welding, Sixth Edition: Abington, Cambridge, U.K.
9. Baker, H.,and Okamoto, H. 1992. ASM Handbook, Vol. 3, Alloy Phase Diagrams. Materials Park, Ohio: ASM International.
10. Popovic, Z. D., and Piercy, G. R. 1975. Measurement of the solubility of hydrogen in solid magnesium. Metallurgical Transactions 6A(10): 1915-1917.
11. Fromageau, R., Mairy, C., and Tzanétakis, P. 1980. Hydrogen dissolution in magnesium: a resistometric study under pressure. Scripta Metallurgica 14:395-398.
12. Saperstein, Z. P., Prescott, G. R., and Monroe, E. W. 1964. Porosity in aluminum welds. Welding Journal 40(10): 443-s to 453-s.
13. Woods, R. A., 1974. Porosity and hydrogen absorption in aluminum welds. Welding Journal 53(3): 97-s to 108-s.
14. Wriedt, H. A. 1988. Mg-N (Magnesium-Nitrogen), Phase Diagrams of Binary Magnesium Alloys. Metals Park, Ohio: ASM International, pp. 205-208.
15. Aizawa, T., Kuwahara, H., and Luangvaranunt, T. 2000. Surface modification of magnesium base alloys by gas/plasma nitridation. Proceedings of Magnesium Alloys 2000, Nagaoka City, Japan.
16. Jackson, C. E. 1960. The science of arc welding. Welding Journal 39: 129-s to 140-s, 177-s to 190-s, 225-s to 230-s.
17. Milner, D. R., Salter, G. R., and-Wilkinson, J. B. 1960. Arc characteristics and their significance in welding. British Welding Journal 2: 73-88.
18. Onsoien, M., Pieters, R., Olson, D. L., and Liu, S. 1995. Effect of hydrogen in an argon GTAW shielding gas: arc characteristics and bead morphology. Welding Journal 74(01): 10-s to 15-s.
19. Allim, C. J. 1986. Nitrogen absorption from welding arcs, IIW Doc. 212-569-86: International Institute of Welding.
20. Tusek, J., and Suban, M. 1998. Influence of hydrogen in argon as a shielding gas in arc welding of high-alloy stainless steels, IIW Doc. 212-938-98: International Institute of Welding.
21. Devletian, J. H., and Wood, W. E. 1983. Factors affecting porosity in aluminum welds - a review. Welding Research Council Bulletin 290:1-17.
22. Jhaveri, Moffat, W. G., and Adams, C. 1962. The effect of plate thickness and radiation on heat flow m welding and cutting. Welding Journal 41(2): 12-s to 16-s.
23. Burgardt, P., and Heiple, C. R. 1993. Weld penetration sensitivity to welding variables when near full joint penetration. Welding Journal 72(9): 341-s to 347-s.
24. www.matweb.com