Precipitates and tensile fracture mechanism in a sand cast A356 aluminum alloy

Journal of Materials Processing Technology

Volumn 207, Issue 1-3, 2008, Pages 46-52

  Ran, G ^a   Zhou, J E ^a   Wang, Q G ^b  

^a XI'AN JIAOTONG UNIVERSITY   (China)

^b GENERAL MOTORS CORPORATION   (United States)

Author keywords

Cast A356 T6 aluminum alloy; Fracture mechanism; Microstructure; PFZ; Tensile properties

Indexed keywords

ALUMINA; ALUMINUM METALLURGY; LIGHT METALS; MECHANISMS; STEEL METALLOGRAPHY;

CAST A356-T6 ALUMINUM ALLOY; FRACTURE MECHANISM; MICROSTRUCTURE; PFZ; TENSILE PROPERTIES;

ALLOYS;

EID: 50949120722     PISSN: 09240136     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jmatprotec.2007.12.050     Document Type: Article

References (23)

1. Avalle M., Belingardi G., Cavatorata M.P., and Doglione R. Casting defects and fatigue strength of a die cast aluminum alloy: a comparison between standard specimens and production components. Int. J. Fatigue 24 (2002) 1-9
2. Buffiere J.Y., Savelli S., Jouneau P.H., et al. Experimental study of porosity and its relation to fatigue mechanisms of model Al-Si7-Mg0.3 cast Al alloys. Mater. Sci. Eng. A 316 (2001) 115-126
3. Cáceres C.H., and Selling B.I. Casting defects and the tensile properties of an Al-Si-Mg alloy. Mater. Sci. Eng. A 220 (1996) 109-116
4. Cáceres C.H., Davidson C.J., and Griffiths J.R. The deformation and fracture behavior of an Al-Si-Mg casting alloy. Mater. Sci. Eng. A 197 (1995) 171-179
5. Caton M.J., Jones J.W., Boileav J.M., and Allison J.E. The effect of solidification rate on the growth of small fatigue cracks in a cast 319 type aluminum alloy. Met. Mater. Trans. A 30 (1999) 3055-3068
6. Gokhale A.M., and Patel G.R. Analysis of variability in tensile ductility of a semi-solid metal cast A356 Al-alloy. Mater. Character. 54 (2005) 13-20
7. Goulart P.R., Spinelli J.E., Osório W.R., and Garcia A. Mechanical properties as a function of microstructure and solidification thermal variables of Al-Si casting. Mater. Sci. Eng. A A421 (2006) 245-253
8. Jambor A., and Beyer M. New cars-new materials. Mater. Design 18 (1997) 203-209
9. Lados D.A., and Apelian D. Fatigue crack growth characteristics in cast Al-Si-Mg alloys Part I. Effect of processing conditions and microstructure. Mater. Sci. Eng. A 385 (2004) 200-211
10. Lloyd D.J. Aspects of fracture in particulate reinforced metal matrix composites. Acta Metall. Mater. 39 (1991) 59-71
11. Mayer H., Papakyriacou M., Zettl B., and Stanzl-Tschegg S.E. Influence of porosity on the fatigue limit of die cast magnesium and aluminum alloys. Int. J. Fatigue 25 (2003) 245-256
12. Osório W.R., and Garcia A. Modeling dendritic structure and mechanical properties of Zn-Al alloys as a function of solidification conditions. Mater. Sci. Eng. A325 (2002) 103-110
13. Osório W.R., Santos C.A., Quaresma J.M.V., and Garcia A. Mechanical properties as a function of thermal parameters and microstructure of Zn-Al castings. J. Mater. Process. Technol. 143 (2003) 703-709
14. Osório W.R., Goulart P.R., Moura Neto C., and Garcia A. Effect of dendritic arm spacing on mechanical properties and corrosion resistance of Al 9 wt% Si and Zn 27 wt% Al alloy. Metall. Mater. Trans. A A37 (2006) 2525-2538
15. Ran G., and Zhou J.E. Metallographic characterization of porosity in a cast aluminum alloy A356-T6. Mater. Sci. Forum 546/547 (2007) 989-994
16. Seniw M.E., Conley J.G., and Fine M.E. Recent development in aluminum alloys for the automotive industry. Mater. Sci. Eng. A 208 (2000) 37-49
17. Seniw M.E., Conley J.G., and Fine M.E. The effect of microscopic inclusion locations and silicon segregation on fatigue lifetimes of aluminum alloy A356 castings. Mater. Sci. Eng. A 285 (2000) 43-48
18. Wang Q.G. Microstructural effects on the tensile and fracture behavior of aluminum casting alloys A356/357. Met. Mater. Trans. A 34 (2003) 2887-2899
19. Wang Q.G., and Cáceres C.H. The fracture mode in Al-Si-Mg casting alloys. Mater. Sci. Eng. A 241 (1998) 72-82
20. Wang Q.G., Cáceres C.H., and Griffiths J.R. Damage by eutectic particle cracking in aluminum casting alloy A356/357. Met. Mater. Trans. A 34 (2003) 2901-2912
21. Yang Z., Kang C.G., and Sea P.K. Evolution of the rheocasting structure of A356 alloy investigated by large-scale crystal orientation observation. Scripta Mater. 52 (2005) 283-288
22. Zhang D.L., and Zheng L. The quench sensitivity of cast Al-7 wt pct Si-0.4 wt pct Mg alloy. Met. Mater. Trans. A 27 (1996) 3983-3991
23. Zhao H. Application of aluminum for the automotive industry. Auto. Tech. Mater. 1 (1997) 19-24 (in Chinese)