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Tytuł:
The Research of Desiccation Rates Selected Protective Coating Used on Mould and Sand Cores
Autorzy:
Jamrozowicz, Ł.
Zych, J.
Snopkiewicz, T.
Powiązania:
https://bibliotekanauki.pl/articles/381440.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
protective coating
water coating
kinetics of drying
gravimetric technique
powłoka ochronna
powłoka wodna
kinetyka suszenia
technika grawimetryczna
Opis:
Investigation results of the drying rate of the selected protective water coatings are presented in the paper. The water coating WC-R was subjected to examinations. The drying kinetics of this coating was determined. The coating was deposited on cores of the moulding sand of the matrix grain size being: dL= 0.20 mm; 0.24 mm; 0.34 mm. In addition, the kinetics of the coating drying process was determined for three conventional viscosities (15s; 22s; 34s). The coating viscosity was estimated by means of the Ford 4mm cup. Drying rates of the protective coating were examined by using the gravimetric technique (weight). Measurements were carried out in a continuous way under controlled conditions: constant ambient temperature and air humidity.
Źródło:
Archives of Foundry Engineering; 2013, 13, 1 spec.; 45-50
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigations of the Thickness of Protective Coatings Deposited on Moulds and Cores
Autorzy:
Jamrozowicz, Ł.
Kolczyk-Tylka, J.
Siatko, A.
Powiązania:
https://bibliotekanauki.pl/articles/380191.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
protective coating
coating thickness
coating viscosity
foundry core
foundry mold
powłoka ochronna
grubość powłoki
lepkość powłoki
rdzeń odlewniczy
masa odlewnicza
Opis:
This article presents measurements of the thickness of alcohol-based coatings on sand foundry cores and moulds. These coatings were applied using two methods, the dipping method and the painting method. For the purposes of the study, a zircon alcohol-based coating was prepared with three different levels of nominal viscosity; very thin at 10s, average at 20s, and thick at 30s. The coating was applied to a core made of quartz sand and furan resin. The cores were made of sand with three different grain sizes; dL = 0.22 mm – fine sand, dL = 0.33 mm medium sand, and dL = 0.47 mm coarse sand. In the study, the thickness of the coating obtained to the core was measured immediately after application as well as after drying. Additionally, the extent of penetration into the intergranular spaces of the core matrix was measured. On the basis of this study, the impact of the grain size of the core matrix on the thickness of the coating and its penetration into the core was assessed. The thickness of coatings obtained using different application methods was also assessed.
Źródło:
Archives of Foundry Engineering; 2018, 18, 4; 131-136
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Achieving Control of Coating Process in your Foundry
Autorzy:
Di Muoio, G. L.
Tiedje, N. S.
Powiązania:
https://bibliotekanauki.pl/articles/383283.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
innovative moulding technology
innovative moulding material
quality management
coating process control
sand compaction
coating penetration
innowacyjna technologia odlewnicza
innowacyjny materiał odlewniczy
zarządzanie jakością
zagęszczanie masy
Opis:
Achieving control of coating thickness in foundry moulds is needed in order to guarantee uniform properties of the mould but also to achieve control of drying time. Since drying time of water based coatings is heavily dependent on the amount of water present in the coating layer, a stable coating process is prerequisite for a stable drying process. In this study, we analyse the effect of different variables on the coating layer properties. We start by considering four critical variables identified in a previous study such as sand compaction, coating density, dipping time and gravity and then we add centre points to the original experimental plans to identify possible non-linear effects and variation in process stability. Finally, we investigate the relation between coating penetration (a variable that is relatively simple to measure in production) and other coating layer thickness properties (relevant for the drying process design). Correlations are found and equations are provided. In particular it is found that water thickness can be directly correlated to penetration with a simple linear equation and without the need to account for other variables.
Źródło:
Archives of Foundry Engineering; 2015, 15, 4; 110-114
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effect of the Number of Eutectic Grains on Coating Growth During Hot Dip Galvanising of Ductile Iron Castings
Autorzy:
Kopyciński, D.
Guzik, E.
Szczęsny, A.
Powiązania:
https://bibliotekanauki.pl/articles/382107.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
casting quality management
zinc coating
ductile iron
eutectic grains
zarządzanie jakością odlewów
powłoka cynkowa
żeliwo sferoidalne
Opis:
Studies were conducted on a zinc coating produced on the surface of ductile iron grade EN-GJS-500-7 to determine the eutectic grain effect. For this purpose, castings with a wall thickness of 5 to 30 mm were made and the resulting structure was examined. To obtain a homogeneous metal matrix, samples were subjected to a ferritising annealing treatment. To enlarge the reaction surface, the top layer was removed from casting by machining. Then hot dip galvanising treatment was performed at 450°C to capture the kinetics of growth of the zinc coating (in the period from 60 to 600 seconds). Analysing the test results it was found that within the same time of hot dip galvanising, the differences in the resulting zinc coating thickness on samples taken from castings with different wall cross-sections were small but could, particularly for shorter times of treatment, reduce the continuity of the alloyed layer of the zinc coating.
Źródło:
Archives of Foundry Engineering; 2014, 14, 1; 67-70
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Ceramic Coatings on the Mechanical Properties of Ceramic Moulds Used in the Replicast CS Technology
Autorzy:
Buczkowska, K.
Pacyniak, T.
Powiązania:
https://bibliotekanauki.pl/articles/379579.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
replicast CS technology
refractory ceramic coating
model of polystyrene
casting
ceramic coating
technologia Replicast CS
powłoka ceramiczna
model polistyrenowy
Opis:
The paper discusses the issues related to the Replicast CS technology. The research concerning the indication of the bending strength of ceramic moulds depending on the type and configuration of the shells will determine the effect of the type of binder and powder on the mechanical properties of shell moulds. The experimental studies presented in the paper include the manufacture of polystyrene models, followed by the application of 6 layers of ceramic coatings of different types and configurations on sets of polystyrene and wax models. Next, the studies test the bending strength of the obtained samples of ceramic moulds, depending on the type and configuration of the coatings. The presented research has shown the relationship between the different configurations of the materials used for the manufacture of ceramic coatings and their bending strength. It has been shown that, by the appropriate selection of the ceramic coatings, it is possible to obtain ceramic moulds with a possibly high bending strength.
Źródło:
Archives of Foundry Engineering; 2015, 15, 3 spec.; 112-118
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of ductile cast iron matrix on zinc coating during hot dip galvanising of castings
Autorzy:
Kopyciński, D.
Szczęsny, A.
Powiązania:
https://bibliotekanauki.pl/articles/380458.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cynkowanie ogniowe
żeliwo sferoidalne
kinetyka wzrostu
powłoka cynkowa
osnowa metaliczna
hot-dip galvanizing
ductile iron
growth kinetics
zinc coating
metallic matrix
Opis:
The growth kinetics of the zinc coating formed on the surface of casting made from ductile iron grade EN-GJS-500-3 was investigated. To produce homogenous metal matrix in test samples, the normalising and ferritising annealing was carried out. Studies showed a heterogeneous structure of cast iron with varying content of the phases formed. This was followed by hot dip galvanising treatment at 450 C to capture the growth kinetics of the zinc coating (the time of the treatment ranged from 60 to 600 seconds). Nonlinear estimation of the determined growth kinetics of the alloyed layer of a zinc coating was made and an equation of the zinc coating growth was derived. Based on the results of the investigations it was concluded that thickness of the zinc coating formed on the surface of casting with a 100% pearlitic matrix makes 55% of the thickness of coating formed on the surface in 100% ferritic.
Źródło:
Archives of Foundry Engineering; 2012, 12, 4; 101-104
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mechanical Properties of Two Layers Thermal Barrier Coating Deposited on a Plate Made of Cobalt Alloy MAR-M509
Autorzy:
Opiekun, Z. A.
Powiązania:
https://bibliotekanauki.pl/articles/381388.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cobalt alloy MAR-M509
thermal barrier coating
microstructure
microhardness
Nano Scratch-Tester
stop kobaltu MAR-M509
bariera cieplna
mikrostruktura
mikrotwardość
Opis:
The manuscript presents a microstructure and mechanical properties of two layers of thermal barrier coating (TBC) deposited on a plate made of cobalt alloy MAR-M509. Based on measurements of microhardness made with Berkovitz’s indenter using Nano Scratch-Tester CSM Instruments, it was stated that elastic (Ee) to total energy (Ec) parameters (MIT=Ee/Ec), γ phase, matrix of alloy MAR-M509 (MITγ), metallic interlayer (45%Ni – 22% Co – 17% Cr – 16% Al – 0,3% Y),(MITM) and ceramic layer (MITZrO2) there are proportion 0,29:0,22:0,50.
Źródło:
Archives of Foundry Engineering; 2013, 13, 1 spec.; 131-134
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Meta-stable solidification created by the detonation method of coating formation
Autorzy:
Wołczyński, W.
Garzeł, G.
Morgiel, J.
Senderowski, C.
Pawłowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/382812.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
krystalizacja
krzepnięcie szybkie
powłoka Fe-Al
faza amorficzna
theory of crystallization
rapid solidification process
Fe-Al coating
meta-stable phase diagram
amorphous phase
Opis:
Particles of the Fe-Al type (less than 50 m in diameter) were sprayed onto the 045 steel substrate by means of the detonation method. The TEM, SAED and EDX analyses revealed that the Fe-Al particles have been partially melted in the experiment of coating formation. Particle undergone melting even within about 80% of its volume. Therefore, solidification of the melted part of particles was expected. Solidification differed significantly due to a large range of chemical composition of applied particles (from 15 at.% Al up to 63 at.% Al). A single particle containing 63 at.% Al was subjected to the detailed analysis, only. The TEM / SAED techniques revealed in the solidified part of particle three sub-layers: an amorphous phase, [...] , periodically situated FeAl + Fe2Al5 phases, and a non-equilibrium phase, [...]. A hypothesis dealing with the inter-metallic phases formation in such a single particle of the nominal composition No = 0.63 is presented. At first, the solid / liquid system is treated as an interconnection: substrate / liquid / nonmelted particle part . Therefore, it is suggested that the solidification occurs simultaneously in two directions: towards a substrate and towards a non-melted part of particle. The solidification mechanism is referred to the Fe-Al meta-stable phase diagram. It is shown that the melted part of particle solidifies rapidly according to the phase diagram of meta-stable equilibrium and at a significant deviation from the thermodynamic equilibrium.
Źródło:
Archives of Foundry Engineering; 2012, 12, 2; 93-96
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Application of Numerical Methods to Evaluate the Viscosity of the Coating Using the Model Extraction Iida
Autorzy:
Biernat, S.
Bydałek, A. W.
Powiązania:
https://bibliotekanauki.pl/articles/381499.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
computer aided manufacturing
numerical methods
viscosity
Iida model
program SLAG-PROP
refining capacity
coating Using
komputerowe wspomaganie produkcji
metody numeryczne
lepkość
model Iida
rafinacja
powlekanie
Opis:
The article presents a reflection on the viscosity of the coating extraction using numerical methods. The viscosity of the coating slag is a factor affecting a high degree on the quality of the ongoing process of refining. Too high a viscosity will restrict the diffusion of impurities from the metal to the slag, in turn, too low a viscosity will cause spreading of slag in the vicinity of the furnace wall, and thus exposing the mirror of the liquid metal which may result in adverse effects of an oxidizing atmosphere. You should also remember that too low a viscosity can increase the loss of metal in the slag as well as hinder its recovery during casting. Using the materials database and numerical methods it is possible to determine the level of selected blends of slag viscosity. Additionally, in order to determine their usefulness in refining the values obtained can be confronted with laboratory tests using derivatograph. On the basis of the designated energy index Ew and mass index r can determine the suitability of a mixture of slag and its impact oxidizing or reducing agents.
Źródło:
Archives of Foundry Engineering; 2014, 14, 3 spec.; 85-89
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ dodatku rozpuszczalnika na wybrane właściwości rdzeni pokrytych powłoką ochronną
The Influence of Solvent Addition on Selected Properties of Cores Covered with Protective Coating
Autorzy:
Wildhirt, E.
Ramus, J.
Jakubski, J.
Powiązania:
https://bibliotekanauki.pl/articles/380792.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
powłoka ochronna
materiał ogniotrwały
suszenie powłok
temperatura podwyższona
głębokość penetracji
protective coating
refractory material
increased temperature
penetration depth
Opis:
Obciążenia cieplne, którym poddawane są formy i rdzenie, powodują termiczne zmęczenie materiału, które może generować tworzenie się wad takich jak: pęknięcia, wżarcia, żyłki, wykruszanie materiału formy podczas zalewania. Może dochodzić także do przypalenia i penetracji metalu do masy formierskiej lub rdzeniowej. Jednym z rozwiązań ograniczającym występowanie niekorzystnych zjawisk jest zastosowanie powłok ochronnych. Nanoszone są one w celu poprawy jakości powierzchni odlewów oraz ułatwienia wyjęcia odlewu z formy. W niniejszym artykule zaprezentowano wstępne wyniki badań wpływu zwiększonej ilości rozcieńczalnika w powłokach, na głębokość penetracji powłoki w głąb rdzeni oraz pomiar parametru hot distortion.
Thermal loads applied to moulds and cores cause thermal fatigue and the appearance of flaws such as: cracks, penetration, veins, spalling of mould material during casting. Scorching and penetration of metal into the moulding sand or core sand are also possible. One of the solutions that limit the occurrence of unfavourable phenomena is using protective coatings. They are applied in order to improve the quality of castings and make it easier to extract a casting from the mould. This article presents a general classification of coatings applied to casting moulds and cores. It focusses mainly on protective coatings and describes the methods of applying and drying them. Preliminary results of coating tests are presented, including microscopic observation of the depth of coating penetration into mass and a measurement of the hot distortion parameter relative to the amount of solvent added.
Źródło:
Archives of Foundry Engineering; 2015, 15, 4 spec.; 155-158
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Influence of Selected Water and Alcohol Based Coatings on Bending Strength of Foundry Moulds and Cores Manufactured in Furan Technology
Autorzy:
Romelczyk, R.
Przyszlak, N.
Siodmok, B.
Dorula, J.
Studnicki, A.
Powiązania:
https://bibliotekanauki.pl/articles/382706.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
water based coating
alcohol based coating
bending strength
moulding sand
furan resin
powłoka wodna
wytrzymałość na zginanie
masa formierska
żywica furanowa
Opis:
The subject of this paper was to compare the influence of selected coatings on bending strength of moulds and cores manufactured in a furan technology. In a range of study, there were used three kinds of coatings - water based coating and two kind of alcohol based coating manufactured by FOSECO. Coating were applicated by brush, overpouring/flow and spraying. For each application method, there were realized different kind of drying- at ambient temperature, in a furnace and by burning. Physicochemical properties of coatings were such selected to accommodate them to the application method and type of coating. Based on the conducted studies it was observed that for water based coating application method doesn’t have an important influence on bending strength and it is necessary to optimize the time and temperature of drying to achieve better results of bending strength. For alcohol based coatings, drying by burning causes significant deterioration of bending strength of the mould and core and drying process at ambient allows to obtain high bending strength of mould/cores in regard to time of drying.
Źródło:
Archives of Foundry Engineering; 2018, 18, 2; 169-172
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Charakterystyka powłoki cynkowej ukształtowanej na powierzchni wyrobów ze stopów Fe-C
Characteristics of the Zinc Coating Layer Formed on a Surface of a Fe-C Alloy Products
Autorzy:
Szczęsny, A.
Siekaniec, D.
Madizhanowa, A.
Kopyciński, D.
Powiązania:
https://bibliotekanauki.pl/articles/380540.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cynkowanie zanurzeniowe
powłoka ochronna
odlew staliwny
odlew żeliwny
hot-dip galvanizing
protective coating
cast steel
iron casting
Opis:
W artykule zawarto wyniki badań powłoki ochronnej ukształtowanej podczas zabiegu cynkowania zanurzeniowego na powierzchni wyrobów ze stali, staliwa oraz żeliwa. Odlewy ze stali i staliwa zostały ocynkowane w warunkach przemysłowych, natomiast odlewy z żeliwa na stanowisku laboratoryjnym w Pracowni Powierzchni Odlewów Katedry Inżynierii Stopów i Kompozytów Odlewanych. W poniższej pracy oceniono jakość i morfologię uzyskanej powłoki ochronnej uzyskanej na poszczególnych wyrobach ze stopów Fe-C oraz odporność na korozję w komorze solnej na próbkach z żeliwa szarego. Na podstawie przeprowadzonych badań stwierdzono, że najcieńsza i najbardziej regularna powłoka cynkowa została ukształtowana na powierzchni stali. Na powierzchni staliwa i żeliwa powłoka miała charakter nieregularny, z wyraźnie zwiększonym udziałem fazy ζ. We wszystkich przypadkach uzyskano zwartą i ciągłą powłokę cynkową.
The article contains the results of the protective coating formed during hot dip galvanizing treatment on the surface of steel, cast steel and cast iron. Zinc coatings are one of the best methods of protection against corrosion of alloys of iron with coal in terms of both economic and ecological aspects. Casts from steel and cast steel were galvanized in industrial conditions, while iron castings in a laboratory at the Laboratory of Surface Engineering Department Casting Alloys and Composites cast. The following study evaluated the quality and morphology of the protective coating on different products obtained from the Fe-C alloys and corrosion resistance in salt spray chamber on samples of cast iron. Based on the studies it was found that the thinnest and most regular zinc coating has been formed on the steel surface. On the surface of cast steel and cast iron coating was irregular, with clearly increased participation phase ζ In all cases obtained compact and continuous zinc coating.
Źródło:
Archives of Foundry Engineering; 2013, 13, 3 spec.; 157-160
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improvement of Operating Performance of a Cast-Iron Heat Exchanger by Application of a Copper Alloy Coating
Autorzy:
Mróz, M.
Orłowicz, A. W.
Tupaj, M.
Jacek-Burek, M.
Radoń, M.
Kawiński, M.
Powiązania:
https://bibliotekanauki.pl/articles/380088.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
vermicular graphite cast iron
CuTi2Cr coating
heat flow rate
heat exchanger
improvement of performance
żeliwo grafitowe wermikularne
powłoka CuTi2Cr
natężenie przepływu ciepła
wymiennik ciepła
poprawa wydajności
Opis:
The paper deals with possibility to improve operating performance of cast-iron heat exchangers by providing them with a copper alloy (CuTi2Cr) with the use of the flame spraying method. A test exchanger was cast of a gray cast iron with vermicular graphite in ferritic-pearlitic matrix obtained in production conditions at KAW-MET Iron Foundry with the wire method used to vermicularize the material. The test samples were two plates cast in sand molds, of which one was given a flame-sprayed CuTi2Cr coat on one side. The operating performance of such model cast-iron heat exchangers, with and without CuTi2Cr coating, was tested on a set-up for determining the heat flow rate (thermal power) transferred by the heat exchanger to environment. The obtained results indicate that the value of the heat flow rate characterizing the CuTi2Cr-coated cast-iron heat exchanger was by 10% higher compared to the flow rate of heat conveyed to environment by the heat exchanger without coating.
Źródło:
Archives of Foundry Engineering; 2019, 3; 84-87
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of ingate size on the lost foam casting process
Autorzy:
Pacyniak, T.
Kaczorowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/382861.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
przemysł odlewniczy
tracona piana
powłoka ochronna
foundry engineering
lost foam
EPS models
protective coating
Opis:
The article presents analysis of the influence of ingate size on the Lost Foam casting process. In particular, analysis of simulation tests has been carried out to determine the ingate size influence on the rate of filling of the mould cavity, pressure in the gas gap and size of the gas gap. A specially prepared mathematical model of the process and an original calculation algorithm were used in simulation tests of full-mould casting. The tests have indicated that the increase of the ingate size results in the increase of filling rate and increase of pressure of gases in the gas gap. However, significant influence on mould cavity filling occurs only when the ingate size is less than [...]1 cm2.
Źródło:
Archives of Foundry Engineering; 2012, 12, 2; 171-174
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The structure of the silumin coat on alloy cast steels
Autorzy:
Szymczak, T.
Powiązania:
https://bibliotekanauki.pl/articles/382899.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
innowacyjne technologie odlewnicze
powłoka zanurzeniowa
staliwo stopowe
silumin
innovative casting technologies
dip coating
alloy cast steel
Opis:
The work presents the analysis results of the structure of the coat obtained by dipping in silumin AlSi5 of two grades of alloy cast steel: GX6CrNiTi18-10 (LH18N9T) and GX39Cr13 (LH14). The temperature of the silumin bath was 750-5 C, and the hold-up time of the cast steel element [...] = 180 s. The absolute thickness of the coat obtained in the given conditions was g = 104 [...] on cast steel GX6CrNiTi18-10 and g = 132 [...] on GX39Cr13. The obtained coat consisted of three layers of different phase structure. The first layer from the base [...] was constructed of the phase AlFe including Si and alloy additives of the tested cast steel grades: Cr and Ni (GX6CrNiTi18-10) and Cr (GX39Cr13). The second layer [...] of intermetallic phases AlFe which also contains Si and Cr crystallizes on it. The last, external layer 'g2' of the coat consists of the silumin containing the intermetallic phases AlFeSi which additionally can contain alloy additives of the cast steel. It was shown that there were no carbides on the coat of the tested cast steels which are the component of their microstructure, as it took place in the case of the coat on the high speed steels.
Źródło:
Archives of Foundry Engineering; 2012, 12, 2; 215-220
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 39

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