Three-dimensional reconstruction of compacted graphite in vermicular cast iron by manual serial sectioning

Abstract

Microstructural characterization is an important tool to optimize the properties of engineering materials. Metallography is a common technique, but it provides twodimensional images from (sometimes complex) three-dimensional microstructures. Three-dimensional reconstruction of microstructures provides more precise information on the morphologies of the material microconstituents, providing more accurate control over their physical and mechanical properties. The main barrier for the dissemination of this technique is the extensive time dispended to obtain a record of innumerous metallographic polished planes and the 3D image reconstruction procedure. The present work shows a practical example of three-dimensional reconstruction of the graphite phase in a compacted graphite cast iron executed by "manual" technique and using optical microscopy.

Thermal debonding of inclusions in compacted graphite iron: Effect of matrix phases

“…Vermicular particles have a complex morphology in three dimensions. Their shape resembles more an oblate spheroid rather than an ellipsoid [28,29]. However, their cross-section in two dimensions can be effectively assumed to be an ellipse.…”

Evolução Do Curso De Engenharia De Minas Na Uemg/João Monlevade Em Seus 10 Anos De Existência

“…Nesse sentido, a reconstrução microestrutural em três dimensões fornece informação mais precisa em relação a morfologia do material (Cerqueira et al, 2015).…”

Visualization of the Phase Volume Distribution in Alloys

“…As follows from the name, with such an approach the structures of the described materials have a 3dimensional (volume) image. Undoubtedly, such an approach allows to obtain a more integral and realistic idea about the structure of the materials and processes going in them [11,3,4,2,8].…”