10 Result(s)
within
M. Gorny
Materials Science
English
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Article
Open AccessStructure Homogeneity and Thermal Stability of Austempered Ductile Iron
Solid-state transformation during heat treatment is of great practical importance because it significantly affects the final structure, properties, and thermal stability of cast components. The present study h...
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Article
Open AccessRole of Austenitization Temperature on Structure Homogeneity and Transformation Kinetics in Austempered Ductile Iron
This paper considers the important factors of the production of high-strength ADI (Austempered Ductile Iron); namely, the austenitization stage during heat treatment. The two series of ADI with different initi...
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Article
Open AccessEffect of Titanium Addition and Cooling Rate on Primary α(Al) Grains and Tensile Properties of Al-Cu Alloy
The research was conducted for castings with 3-25-mm wall thicknesses and using AlTi5B1 master alloy as well as AlTi75 additions. A thermal analysis was performed to determine the real cooling rate and the deg...
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Article
The Effect of Carbon on the Transition from Graphite to Cementite Eutectic in Cast Iron
In this work, an analytical solution is proposed to explain the influence of carbon on the transition from graphite to cementite eutectic in cast iron. The outcome from this work indicates that this transition...
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Article
Equiaxed Grain Count in Aluminum Alloy Castings: Theoretical Background and Experimental Verification
In this work, a theoretical model is proposed for heterogeneous nucleation on substrates the size distributions of which can be described by the Weibull statistics. In particular, the proposed model suggests t...
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Article
Open AccessEffect of Reclamation on the Skin Layer of Ductile Iron Cast in Furan Molds
The paper presents the results of investigations of the influence of the quality of molding sand with furan resin hardened by paratoluenesulfonic acid, on the formation of microstructure and surface quality of...
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Article
Graphite Nodule and Eutectic Cell Count in Cast Iron: Theoretical Model Based on Weibull Statistics and Experimental Verification
In this work, a model is proposed for heterogeneous nucleation on substrates whose size distribution can be described by the Weibull statistics. It is found that the nuclei density, N nuc ...
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Article
The transition from gray to white cast iron during solidification: Part II. Experimental verification
In this work, an experimental verification for the transition theory from gray to white cast iron solidification is presented. Experimental tests have been implemented using plate- and wedge-shaped castings of...
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Article
The transition from gray to white cast iron during solidification: Part I. Theoretical background
The present work is based on a heat balance during the solidification of cast iron. Accordingly, an analytical expression was derived to relate the chilling tendency (CT) of cast iron to nucleation and growth ...
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Article
The transition from gray to white cast iron during solidification: Part III. Thermal analysis
In Part I of this work, an analytical model was derived based on the theory for the transition from gray to white cast iron during solidification. Accordingly, in this part of the work, analytical expressions ...
