Temat: galvanizing - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Shaping optimal zinc coating on the surface of high-quality ductile iron casting. Part II – Technological formula and value of diffusion coefficient
Autorzy:: Kopyciński, D.
Guzik, E.
Szczęsny, A.
Powiązania:: https://bibliotekanauki.pl/articles/352224.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: hot-dip galvanizing
ductile iron
surface roughness
diffusion coefficient
Opis:: The completed research presented in the first part of the article has allowed linking the manufacturing technology of ductile iron castings with the process of hot dip galvanizing. On the basis of these data simulations were carried out to examine the behaviour of zinc diffusion coefficient D in the galvanized coating. The adopted model of zinc coating growth helped to explain the cases of excessive growth of the intermetallic phases in this type of coating. The paper analyzes covered the relationship between the roughness and phase composition of the top layer of product and the thickness and kinetics of zinc coating growth referred to individual sub-layers of the intermetallic phases.Roughness and phase composition in the surface layer of product were next related to the diffusion coefficient D examined in respective sublayers of the intermetallic phases.
Źródło:: Archives of Metallurgy and Materials; 2017, 62, 1; 391-395
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Shaping optimal zinc coating on the surface of high-quality ductile iron casting. Part I – Moulding technologies vs. zinc coating
Autorzy:: Szczęsny, A.
Kopyciński, D.
Guzik, E.
Powiązania:: https://bibliotekanauki.pl/articles/356585.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: hot-dip galvanizing
ductile iron
surface roughness
diffusion coefficient
Opis:: Studies have demonstrated that in the process of hot dip galvanizing the decisive influence on the mechanism of zinc coating formation and properties has the quality of the mechanically untreated (raw) surface layer of the galvanized product. The terms “casting surface layer” denote various parameters of the microstructure, including the type of metal matrix, the number of grains and the size of graphite nodules, possible presence of hard spots (the precipitates of eutectic cementite) and parameters of the surface condition. The completed research has allowed linking the manufacturing technology of ductile iron castings with the process of hot dip galvanizing.
Źródło:: Archives of Metallurgy and Materials; 2017, 62, 1; 385-390
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Diffusion Coefficient in the Zinc Coating Shaped on the Surface of Cast Iron and Steel Alloys
Autorzy:: Kopyciński, D.
Guzik, E.
Szczęsny, A.
Siekaniec, D.
Powiązania:: https://bibliotekanauki.pl/articles/379933.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: hot-dip galvanizing
intermetallic sublayer
diffusion coefficient
cynkowanie zanurzeniowe
podwarstwa międzymetaliczna
współczynnik dyfuzji
Opis:: The article presents the method to assess the diffusion coefficient D in the sub-layer of intermetallic phases formed during hot-dip galvanizing “Armco” iron and ductile cast iron EN-GJS-500-7. Hot-dip galvanizing is one of the most popular forms of long-term protection of Fe-C alloys against corrosion. The process for producing a protective layer of sufficient quality is closely related to diffusion of atoms of zinc and iron. The simulation consist in performed a hot-dip galvanizing in laboratory condition above Fe-C alloys, in the Department of Engineering of Cast Alloys and Composites. Galvanizing time ranged from 15 to 300 seconds. Then metallographic specimens were prepared, intermetallic layers were measured and diffusion coefficient (D) were calculated. It was found that the diffusion coefficient obtained during hot-dip galvanizing “Armco” iron and zinc is about two orders of magnitude less than the coefficient obtained on ductile cast iron EN-GJS-500-7.
Źródło:: Archives of Foundry Engineering; 2015, 15, 2; 43-46
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Kinetyka wzrostu powłoki ochronnej podczas wysoko- i niskotemperaturowego cynkowania zanurzeniowego odlewów z żeliwa sferoidalnego
Growth kinetics of the protective coating during high- and low- temperature process of hot dip galvanizing of ductile iron castings
Autorzy:: Kopyciński, D.
Guzik, E.
Szczęsny, A.
Siekaniec, D.
Powiązania:: https://bibliotekanauki.pl/articles/380840.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: cynkowanie zanurzeniowe
żeliwo sferoidalne
temperatura procesu
hot-dip galvanizing
ductile cast iron
process temperature
Opis:: W pracy przedstawiono porównanie mikrostruktury powłoki cynkowej otrzymanej na powierzchni odlewu z żeliwa sferoidalnego gatunku EN-GJS-5007 podczas zabiegu cynkowania zanurzeniowego w procesie „niskotemperaturowym” 450°C oraz „wysokotemperaturowym” 580°C. Zbadano kinetykę wzrostu powłoki cynkowej, zidentyfikowano wzrastające fazy Fe-Zn oraz występowanie wydzieleń „twardego cynku” w powłoce.
The paper presents a comparison of the zinc coating microstructure obtained on EN-GJS-500-7 grade ductile cast iron surface during the hot dip galvanizing in the "low temperature" 450 °C and "high temperature" 580 °C. The kinetics of growth of the zinc coating was investigated. The phases of Fe-Zn and the presence of precipitates "hard zinc" in the coating have been identified.
Źródło:: Archives of Foundry Engineering; 2015, 15, 2 spec.; 47-50
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Effect of the Surface Layer of Iron Casting on the Growth of Protective Coating During Hot-Dip Galvanizing
Autorzy:: Kopyciński, D.
Guzik, E.
Szczęsny, A.
Powiązania:: https://bibliotekanauki.pl/articles/379701.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: hot-dip galvanizing
ductile iron
surface roughness
surface layer
cynkowanie
żeliwo sferoidalne
chropowatość powierzchni
Opis:: The paper presents the results of investigations of the growth of protective coating on the surface of ductile iron casting during the hot-dip galvanizing treatment. Ductile iron of the EN-GJS-600-3 grade was melted and two moulds made by different technologies were poured to obtain castings with different surface roughness parameters. After the determination of surface roughness, the hot-dip galvanizing treatment was carried out. Based on the results of investigations, the effect of casting surface roughness on the kinetics of the zinc coating growth was evaluated. It was found that surface roughness exerts an important effect on the thickness of produced zinc coating.
Źródło:: Archives of Foundry Engineering; 2016, 16, 1; 25-28
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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