2006
DOI: 10.1016/j.msea.2006.04.095
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Reconstruction and visualization of complex 3D pore morphologies in a high-pressure die-cast magnesium alloy

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Cited by 39 publications
(18 citation statements)
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“…A serial sectioning 3-D reconstruction method has also been developed recently by Lee and Gokhale et al [22] to characterize the porosity in cast magnesium alloy. As an engineering approximation, it can be assumed that the 3-D pore sizes also obey the log-normal distribution.…”
Section: Resultsmentioning
confidence: 99%
“…A serial sectioning 3-D reconstruction method has also been developed recently by Lee and Gokhale et al [22] to characterize the porosity in cast magnesium alloy. As an engineering approximation, it can be assumed that the 3-D pore sizes also obey the log-normal distribution.…”
Section: Resultsmentioning
confidence: 99%
“…As indicated in Figure 17(b), the predicted fatigue strength is in excellent agreement with the experimental measurements if the threshold of the stress intensity factor is assumed to be 1.5 and 1.6 MPam 1/2 , respectively, for the castings with SDAS of 70 and 100 lm. Therefore, a better estimation of porosity population using methods such as 3-D X-ray microtomography [6,21] or serial sectioning [33] and accurate measurement of the threshold value of the stress intensity factor are essential for good prediction of the fatigue strength for cast aluminum alloys. showing that a better prediction for initiating pore sizes could be obtained as a low pore number density was assumed for the casting with large SDAS and (b) indicating that, in addition to the pore number density, the poor prediction for the castings with large SDAS could be further improved when a higher threshold value of stress intensity factor was assumed.…”
Section: Application Of the Modelmentioning
confidence: 99%
“…[10][11][12]22] Some have attempted to include 3D information of the porosity distribution into models of cast alloys. [23][24][25] The 3D geometry of the pores was measured using X-ray computed tomography (XCT) techniques or by serial sectioning combined with metallographic observations. In Reference 23, a significant fraction of pores is measured and the methodology to include this fraction in a finite element (FE) mesh is described.…”
Section: Introductionmentioning
confidence: 99%