Quantitative Analysis of Ductile Iron Microstructure – A Comparison of Selected Methods for Assessment
TLDR
In this article, the authors present selected methods for quantitative assessment of ductile iron microstructure, i.e., the Scheil- Schwartz-Saltykov method, which allows a quantitative description of three-dimensional sets of solids using measurements and counts performed on two-dimensional cross-sections of these sets (microsections) and quantitative description by X-ray computed microtomography.Abstract:
Stereological description of dispersed microstructure is not an easy task and remains the subject of continuous research. In its practical aspect, a correct stereological description of this type of structure is essential for the analysis of processes of coagulation and spheroidisation, or for studies of relationships between structure and properties. One of the most frequently used methods for an estimation of the density Nv and size distribution of particles is the Scheil - Schwartz – Saltykov method. In this article, the authors present selected methods for quantitative assessment of ductile iron microstructure, i.e. the Scheil - Schwartz – Saltykov method, which allows a quantitative description of three-dimensional sets of solids using measurements and counts performed on two-dimensional cross-sections of these sets (microsections) and quantitative description of three-dimensional sets of solids by X-ray computed microtomography, which is an interesting alternative for structural studies compared to traditional methods of microstructure imaging since, as a result, the analysis provides a three-dimensional imaging of microstructures examined.read more
Citations
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Journal ArticleDOI
Estimating the Effective Elastic Parameters of Nodular Cast Iron from Micro-Tomographic Imaging and Multiscale Finite Elements: Comparison between Numerical and Experimental Results
Andre Maues Brabo Pereira,Marcio Costa,Carla Tatiana Mota Anflor,Juan Manuel Pardal,Ricardo Leiderman +4 more
TL;DR: In this article, a methodology to estimate the effective elastic parameters of nodular cast iron, using micro-tomography in conjunction with multiscale finite elements, is described, where the adjustment of the image acquisition parameters, address the issue of the representative volume choice, and present a brief discussion on image segmentation.
Journal ArticleDOI
3D characterization of structure and micro-porosity in two cast irons with spheroidal graphite
Semen Naumovich Lekakh,Xueliang Zhang,Wesley Tucker,Hyoung-Koo Lee,Tara Selly,James D. Schiffbauer +5 more
TL;DR: In this paper, the 3D-morphological characteristics of graphite nodules and micro-porosity level were determined by μCT scanning and the results were compared with other traditionally used techniques.
Journal ArticleDOI
Quantitative stereological analysis of the highly porous hydroxyapatite scaffolds using X-ray CM and SEM.
Justyna Zygmuntowicz,Aneta Zima,Joanna Czechowska,Karol Szlazak,Anna Ślósarczyk,Katarzyna Konopka +5 more
TL;DR: It is proved that the distribution of pores in HAp bioceramics can be controlled by selection of the manufacturing method and developed materials met the criteria for porous bone substitutes.
Journal ArticleDOI
Electrochemical Impedance Spectroscopy and Potentiodynamic Polarization Studies Affected by the Microstructure Array of a Monotectic Al-Pb Alloy in a NaCl Solution
TL;DR: In this paper, electrochemical impedance spectroscopy plots and potentiodynamic polarization curves of tests carried out with monotectic Al-Pb alloy samples in a 0.5 Molar sodium chloride (NaCl) solution at 25°C were evaluated.
Journal ArticleDOI
Spheroidal graphite coalescence during thermal cycling in the ferritic domain of a high-silicon cast iron studied by optical microscopy and X-ray computed tomography
Mariana Alves Pegoraro,Christophe Tenailleau,André Ebel,André Ebel,Benoit Malard,Jacques Lacaze +5 more
TL;DR: In this paper, a high-silicon spheroidal graphite cast iron was heat treated up to 50 h in total at 800 °C in two clifferent manners: under isothermal and cyclic conditions.
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