Search Results - "Fras, E."

Solidification microstructures and mechanical properties of high-vanadium Fe–C–V and Fe–C–V–Si alloys by Fras, E., Kawalec, M., Lopez, H.F.

“…Fe–C–V and Fe–C–V–Si alloys of various C, V and Si compositions were investigated in this work. It was found that the phases present in both of these alloy…”
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Thin Wall Ductile Iron Castings as Substitutes for Aluminium Alloy Castings by Fraś, E., Górny, M., Lopez, H.

“…The paper discusses the reasons behind current trends for substituting cast iron castings by aluminum alloys. In particular it is shown that it is possible to…”
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About Kolmogorov's statistical theory of phase transformation by Burbelko, A.A., Fraś, E., Kapturkiewicz, W.

“…Many mathematical models of solidification use the following equation for the estimation of solid volume f S = 1 − exp ( − n 1 τ n 2 ) , where τ is time, n 1…”
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Eutectic Cells and Nodule Count—An Index of Molten Iron Quality by Fraś, E., López, H.

“…The present work gives a detailed analysis into one of the most important quality parameters in cast iron, namely the eutectic cells or nodule count. The…”
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An inoculation phenomenon in cast iron by Fras, E., Górny, M.

“…The paper presents a solidification sequence of graphite eutectic cells of A and D types, as well as globular and cementite eutectics. The morphology of…”
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Computer simulation of the austenitizing process in cast iron with pearlitic matrix by Kapturkiewicz, W., Fraś, E., Burbelko, A.A.

“…In computations of the kinetics of austenitizing, a one-dimensional model of austenite growth assuming a diffusion-related mechanism acting between the…”
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Graphite nodule and eutectic cell count in cast iron : Theoretical model based on weibull statistics and experimental verification by FRAS, E, WIENCEK, K, GORNY, M, LOPEZ, H. F

“…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…”
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The transition from gray to white cast iron during solidification : Part II. Experimental verification by FRAS, E, GORNY, M, LOPEZ, H. F

“…In this work, an experimental verification for the transition theory from gray to white cast iron solidification is presented. Experimental tests have been…”
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The transition from gray to white cast iron during solidification : Part III. Thermal analysis by FRAS, E, GORNY, M, LOPEZ, H. F

“…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,…”
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TEM investigation of ductile iron alloyed with vanadium by DYMEK, S., BLICHARSKI, M., MORGIEL, J., FRAŚ, E.

“…Summary This article presents results of the processing and microstructure evolution of ductile cast iron, modified by an addition of vanadium. The ductile…”
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Strength and plastic flow in in situ TiC reinforced aluminum composites by FRAS, E, WIERZBINSKI, S, JANAS, A, LOPEZ, H. F

“…The deformation behavior of TiC particulate-reinforced aluminum composites (Al-TiCp) was investigated in this work using pure aluminum as the reference matrix…”
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Numerical simulation and Fourier thermal analysis of solidification kinetics in high-carbon Fe-C alloys by FRAS, E, KAPTURCKIEWICZ, W, BURBIELKO, A, LOPEZ, H. F

“…The aim of this work was to carry out both experimental and numerical simulations of cast iron solidification under various conditions. The experimental work…”
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An analytical model for nodular eutectic grain predictions during solidification by FRAS, E, LOPEZ, H. F

“…In this work, analytical expressions are derived for the globular eutectic transformation, which occurs during the solidification of nodular iron. The model…”
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The transition from gray to white cast iron during solidification : Part I. Theoretical background by FRAS, E, GORNY, M, LOPEZ, H. F

“…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…”
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Processing and microstructure of investment casting turbine blade NITAC in-situ composites by FRAS, E, GUZIK, E, KAPTURCKIEWICZ, W, LOPEZ, H. F

“…Directional solidification was used to produce turbine blades by the Bridgman method. NITAC alloys with various carbon contents were investigated; the optimum…”
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Epidermal glands in cordylid lizards, with special reference to generation glands by MOUTON, P. LE FRAS N., VAN RENSBURG, DAHNÉ A. JANSE, VAN WYK, JOHANNES H.

“…We investigated inter‐ and intraspecific variation in epidermal gland characteristics in cordylid lizards. Our particular interest was whether a causal…”
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Epidermal glands in cordylid lizards, with special reference to generation glands: GENERATION GLANDS IN CORDYLID LIZARDS by MOUTON, P. LE FRAS N., VAN RENSBURG, DAHNÉ A. JANSE, VAN WYK, JOHANNES H.

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About Kolmogorov's statistical theory of phase transformation by BURBELKO, A. A, FRAS, E, KAPTURKIEWICZ, W

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Computer simulation of the austenitizing process in cast iron with pearlitic matrix by KAPTURKIEWICZ, W, FRAS, E, BURBELKO, A. A

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Thin Wall Ductile Iron Castings as Substitutes for Aluminium Alloy Castings by Fraś E., Górny M., Lopez H.

“…W pracy omówiono przyczyny aktualnego trendu zastępowania odlewów z żeliwa przez odlewy ze stopów aluminium. W szczególności wykazano, że możliwe jest…”
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