X-ray computed tomography vs. metallography for pore sizing and fatigue of cast Al-alloys

Procedia Engineering

Volumn 2, Issue 1, 2010, Pages 547-554

  Nicoletto, Gianni ^a   Anzelotti, Giancarlo ^a   Konečná, Radomila ^b  

^a UNIVERSITY OF PARMA   (Italy)

^b UNIVERSITY OF ILINA   (Slovakia)

Author keywords

Cast AlSi alloy; Fatigue; Finite element; Metallography; Porosity; X ray CT

Indexed keywords

AL-SI ALLOY; CAST AL-ALLOYS; CAST AL-SI ALLOYS; CAST PART; CASTING PROCESS; DATA ANALYSIS; DEFECT SIZE; EXPERIMENTAL TECHNIQUES; FATIGUE; FATIGUE BEHAVIOR; FINITE ELEMENT; PORE MODELS; PORE MORPHOLOGY; X-RAY COMPUTED TOMOGRAPHY; X-RAY CT;

ALLOYS; CERIUM ALLOYS; COMPUTERIZED TOMOGRAPHY; DATA REDUCTION; DENDRITES (METALLOGRAPHY); METALLOGRAPHY; MICROSTRUCTURE; MORPHOLOGY; PORE SIZE; SCANNING; STRESS CONCENTRATION; THREE DIMENSIONAL; X RAYS;

FINITE ELEMENT METHOD;

EID: 77954096203     PISSN: None     EISSN: 18777058     Source Type: Conference Proceeding    
DOI: 10.1016/j.proeng.2010.03.059     Document Type: Conference Paper

References (15)

1. Wang QG, Apelian D, Lados DA. Fatigue behavior of A356-T6 aluminum cast alloys. Part I. Effect of casting defects. J Light Metals 2001;1:73-84. (Pubitemid 33665576)
2. Couper, M. J., Neeson, A. E. and Griffiths, J. R. Casting defects and the fatigue behaviour of an aluminium casting alloy. Fatigue Fract. Engng. Mater. Struct. 1990;13:213-227
3. Sonsino, C. M. and Ziese, J. Fatigue strength and applications of cast aluminium alloys with different degrees of porosity. Int. J. Fatigue 1993;15:75-84.
4. Skallerud B, Iveland T, Harkegard G. Fatigue life assessment of aluminum alloys with casting defects. Eng Fract Mech 1993;44:857-874
5. Dabayeh, A. A., Berube, A. J. and Topper, T. H. An experimental study of the effect of a flaw at a notch root on the fatigue life of cast Al
6. Int. J. Fatigue 1998;20,517-530
7. Buffiere J-Y, Savelli S, Jouneau PH, Maire E, Fougeres R. Experimental study of porosity and its relation to fatigue mechanisms of model Al- Si7-Mg0.3 cast Al alloys. Mater Sci Eng A 2001;319:115-126
8. Mayer H, Papakyriacou M, Zettl B, Stanzl-Tschegg SE. Influence of porosity on the fatigue limit of die cast magnesium and aluminum alloys. Int J Fatigue 2003;25:245-256
9. Gao YX, Yi JZ, Lee PD, Lindley TC. The effect of porosity on the fatigue life of cast aluminium-silicon alloys. Fatigue Fract Eng Mater Struct 2004;27:559.
10. Wang Q. G., Jones P. E., Prediction of Fatigue Performance in Aluminium Shape Casting Containing Defects. Metal. Matls Trans B 2007;38:615-621
11. Murakami Y. Metal Fatigue: Effects of Small Defects and Nonmetallic Inclusions, Elsevier 2002.
12. Nicoletto G., Baicchi P., Konena R.,. Fatigue life prediction of AlSi alloys with casting defects, Procs 2nd Fatigue Symp, Leoben, 2008, 2-11.
13. Anon. Properties and selection: nonferrous alloys and special-purpose materials. ASM Handbook vol.2 USA: ASM International, The Materials Information Society; 1990.
14. Ferrie E, Buffiere JY, Ludwig W. 3D characterization of the nucleation of a short fatigue crack at a pore in a cast Al alloy using high resolution synchrotron microtomography. Int J Fatigue 2005;27:1215.
15. Powazka P., et al., Computed tomography - an alternative and complement to traditional metallographic investigations of porosity in cast aluminum, Procs 2nd Fatigue Symp, Leoben, 2008, 51-66.