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Wyświetlanie 1-15 z 16
Tytuł:
Mathematical modeling of heat and mass transfer process under heat treatment of grain materials in dense layer
Matematicheskoe modelirovanie teplomassoobmennykh processov pri termoobrabotke zernovykh materialov v plotnom sloe
Autorzy:
Kotov, B.
Kalinichenko, R.
Spirin, A.
Powiązania:
https://bibliotekanauki.pl/articles/792105.pdf
Data publikacji:
2016
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
mass transfer
heat transfer
grain
harvesting process
heat treatment
mathematical modelling
temperature field
moisture content
Źródło:
Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2016, 16, 4
1641-7739
Pojawia się w:
Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Microstructural and Mechanical Characterization of Al-0.80Mg-0.85Si-0.3Zr Alloy
Autorzy:
Kahrıman, F.
Zeren, M.
Powiązania:
https://bibliotekanauki.pl/articles/380758.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
solidification process
heat treatment
mechanical properties
proces krzepnięcia
obróbka cieplna
właściwości mechaniczne
Opis:
In this study, Al-0.80Mg-0.85Si alloy was modified with the addition of 0.3 wt.-% zirconium and the variation of microstructural features and mechanical properties were investigated. In order to produce the billets, vertical direct chill casting method was used and billets were homogenized at 580 °C for 6 h. Homogenized billets were subjected to aging practice following three stages: (i) solution annealing at 550 °C for 3 h, (ii) quenching in water, (iii) aging at 180 °C between 0 and 20 h. The hardness measurements were performed for the alloys following the aging process. It was observed that peak hardness value of Al-0.80Mg-0.85Si alloy increased with the addition of zirconium. This finding was very useful to obtain aging parameters for the extruded hollow profiles which are commonly used in automotive industry. Standard tensile tests were applied to aged profiles at room temperature and the results showed that modified alloy had higher mechanical properties compared to the non-modified alloy.
Źródło:
Archives of Foundry Engineering; 2017, 17, 4; 73-78
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of heat treatment on corrosion properties of non-alloy steel in acidic environment
Autorzy:
Polasz, Sylwia
Powiązania:
https://bibliotekanauki.pl/articles/243175.pdf
Data publikacji:
2019
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
corrosion process
non-alloy steel
corrosion preventive coatings
heat treatment
corrosion allowance
Opis:
The article presents the influence of heat treatment on corrosion properties of non-alloy steel. This steel is used in machine elements. Heat treatment has a major impact on corrosion resistance of steel materials. Laboratory methods for measuring the corrosion rate consist of Electrochemical Impedance Spectroscopy and polarization curves. Instead of these types, there are also industrial methods of velocity corrosion measurements like researches in natural conditions and coupons corrosimetry. These days the most popular techniques of corrosion measurements are electrochemical measurements. In order to conduct impact assessments influent of heat treatment to corrosion properties there is need to proceed few steps like prepare samples, carry out heat treatment, hardness measurements, metallographical examination, prepare samples for corrosion and proceed corrosion researches by potentiodynamic method. An important element during researches is corrosion allowance, which has an impact influent on corrosion properties. This is the most popular and efficient method of corrosion protection. These days for corrosion protection are use paints or zinc coatings, cathode protection or stainless.
Źródło:
Journal of KONES; 2019, 26, 3; 181-188
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Evolution of Microstructure and Magneto-structural Properties of Heat Treated Ni-Mn-Sn-In Heusler Alloys Sintered by Vacuum Hot Pressing
Autorzy:
Maziarz, W.
Wójcik, A.
Chulist, R.
Szczerba, M. J.
Kowalczyk, M.
Czaja, P.
Cesari, E.
Dutkiewicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/947530.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Ni-Mn-Sn metamagnetic shape memory alloys
sintering process
heat treatment
electron microscopy
Opis:
In this work, vacuum hot pressed Ni-Mn-Sn-In Heusler alloys with different concentration of In (0, 2 and 4 at.%), were investigated. The magneto-structural behaviour and microstructure dependencies on chemical composition and on heat treatment were examined. It was found that the martensite start transformation temperature increases with growing In content and to a lesser extent with increasing temperature of heat treatment. The high energy X-ray synchrotron radiation results, demonstrated that both chemical composition as well as temperature of heat treatment slightly modified the crystal structures of the studied alloys. Microstructural investigation performed by transmission electron microscopy confirmed chemical composition and crystal structure changes in the alloys.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 2; 727-732
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heat Treated AZ61 Magnesium Alloy Obtained by Direct Extrusion and Continuous Rotary Extrusion Process
Autorzy:
Bigaj, M.
Boczkal, S.
Żelechowski, J.
Gawlik, M.
Mitka, M.
Powiązania:
https://bibliotekanauki.pl/articles/351751.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
AZ61
heat treatment
Mg17Al12
continuous rotary extrusion process
direct extrusion
Opis:
The results of studies carried out on the heat treated AZ61 magnesium alloy extruded by two methods, i.e. direct extrusion and continuous rotary extrusion, were presented. As part of the work, parameters of the T6 heat treatment were proposed and aging curves were plotted. The solution heat treatment process was accompanied by the grain growth. During artificial aging, due to the decomposition of solid solution, the β-Mg17Al12 phase was precipitated from the supersaturated α solution. It precipitated in a coagulated form at the grain boundaries and in the form of fine-dispersed plates arranged in a preferred direction relative to the grain orientation. Rods obtained by continuous rotary extrusion, unlike those made by the direct process, exhibited a low degree of texturing and lack of anisotropic properties.
Źródło:
Archives of Metallurgy and Materials; 2016, 61, 1; 405-410
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of heating time of a bundle of steel bars
Badanie czasu nagrzewania wiązki prętów stalowych
Autorzy:
Aghbalyan, S.
Bagdasaryan, V.
Wyczółkowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/28766072.pdf
Data publikacji:
2022
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
steel bar
heating time
thermal conductivity
effective thermal conductivity
energy balance
heat treatment
process optimization
Źródło:
Acta Scientiarum Polonorum. Architectura; 2022, 21, 3; 25-30
1644-0633
Pojawia się w:
Acta Scientiarum Polonorum. Architectura
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ściskanie obrobionych termicznie gorących nasion łubinu
A compression of thermally processed hot lupine seeds
Autorzy:
Andrejko, D.
Oszczak, Z.
Powiązania:
https://bibliotekanauki.pl/articles/287804.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Inżynierii Rolniczej
Tematy:
łubin żółty
nasiona
obróbka termiczna
zgniatanie
odwzorowanie matematyczne
lupine
seeds
squeezing process
heat treatment
mathematical representation
Opis:
W pracy przedstawiono metodę doboru funkcji odwzorowania matematycznego procesu ściskania obrobionych termicznie gorących próbek nasion łubinu przeznaczonych do śrutowania oraz płatkowania. Metoda została oparta na modelowaniu matematycznym funkcji jednostkowych sił zgniotu oraz jednostkowej energii w zależności od temperatury w komorze suszarni i czasu podgrzewania surowca. Metodę zilustrowano przykładem przygotowania i testowania próbek nasion łubinu poddanych procesowi podgrzewania w suszarce uniwersalnej SUP-4 oraz zgniatania gorących nasion na maszynie do badań wytrzymałościowych Instron 4302.
The paper presents a procedure of selecting a mathematical representation of the compression process of thermally processed hot samples of lupine seeds intended for grinding and flaking. The method was based on mathematical modeling of unit step functions of squeeze forces and unit energy depending on the temperature in the drying chamber and raw material heating time. The method was illustrated by example of preparation and testing of lupine seed samples put to heating In the universal drier SUP-4 and squeezing of hot seeds on the testing machine Instron 4302.
Źródło:
Inżynieria Rolnicza; 2007, R. 11, nr 5 (93), 5 (93); 7-12
1429-7264
Pojawia się w:
Inżynieria Rolnicza
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling of phenomena in solid state for the steel casting cooled by liquid
Autorzy:
Kulawik, A.
Powiązania:
https://bibliotekanauki.pl/articles/381245.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
heat treatment
phase transformation
convection
cooling process
liquid coolant
obróbka cieplna
przemiana fazowa
konwekcja
stygnięcie odlewu
płyn niskokrzepnący
Opis:
In this paper a mathematical model of cooling process for steel castings is presented. Effect of convective motion of the coolant on material structure after cooling process is investigated. Mathematical and numerical model based on Generalized Difference Method for axysimmertric elements is used. To solve the Navier-Stokes equation the characteristic based split scheme (CBS) has been applied. The solution of the heat transport equation with the convective term has been obtained by a stabilized meshless method. To determine of the phase transformation the macroscopic model built on the basis of Time Temperature Transformation diagrams for continuous cooling of medium-carbon steel has been used. The temporary temperature fields, the phase transformation, thermal and structural strains for the cooled element and the fields of temperature and velocity for the coolant have been determined.
Źródło:
Archives of Foundry Engineering; 2011, 11, 2 spec.; 135-138
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Artificial Neural Network to the Control of the Parameters of the Heat Treatment Process of Casting
Autorzy:
Wróbel, J.
Kulawik, A.
Bokota, A.
Powiązania:
https://bibliotekanauki.pl/articles/382692.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
heat treatment
moving heat source
artificial neural network
numerical modelling
control system
heating process
obróbka cieplna
źródło ciepła ruchome
sztuczna sieć neuronowa
modelowanie numeryczne
system sterowania
proces nagrzewania
Opis:
In the paper the use of the artificial neural network to the control of the work of heat treating equipment for the long axisymmetric steel elements with variable diameters is presented. It is assumed that the velocity of the heat source is modified in the process and is in real time updated according to the current diameter. The measurement of the diameter is performed at a constant distance from the heat source (Δz = 0). The main task of the model is control the assumed values of temperature at constant parameters of the heat source such as radius and power. Therefore the parameter of the process controlled by the artificial neural network is the velocity of the heat source. The input data of the network are the values of temperature and the radius of the heated element. The learning, testing and validation sets were determined by using the equation of steady heat transfer process with a convective term. To verify the possibilities of the presented algorithm, based on the solve of the unsteady heat conduction with finite element method, a numerical simulation is performed. The calculations confirm the effectiveness of use of the presented solution, in order to obtain for example the constant depth of the heat affected zone for the geometrically variable hardened axisymmetric objects.
Źródło:
Archives of Foundry Engineering; 2015, 15, 1; 119-124
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Zr on AlSi9Cu1Mg Alloy Cast in Ceramic
Autorzy:
Matejka, M.
Kuriš, M.
Bolibruchova, D.
Pastirčák, R.
Powiązania:
https://bibliotekanauki.pl/articles/382580.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
solidification process
heat treatment
aluminium alloys
properties
zirconium
ceramic mould
proces krzepnięcia
stop aluminium
wpływ cyrkonu
obróbka cieplna
forma ceramiczna
Opis:
The article focuses on the analysis of the effect of Zr on the properties of the aluminium alloy AlSi9Cu1Mg. The effect of Zr was evaluated depending on the change in mechanical properties and heat resistance during a gradual addition of Zr with an increase of 0.05 wt. % Zr. Half of the cast experimental samples from each variant were heat treated by precipitation hardening T6 (hereinafter HT). The measured values in both states indicate an improvement of the mechanical properties, especially in the experimental variants with a content of Zr ≥ 0.20 wt. %. In the evaluation of Rm, the most significant improvement occurred in the experimental variant with an addition of Zr 0.25 wt. % after HT and E in the experimental variant with addition of Zr 0.20 wt. % after HT. Thus, a difference was found from the results of the authors defining the positive effect of Zr, in particular at 0.15 wt. %. When evaluating the microstructure of the AlSi9Cu1Mg alloy after Zr alloying, Zr phases are already eliminated with the addition of Zr 0.10 wt. %. Especially at higher levels of Zr ≥ 0.20 wt. %, long needle phases with slightly cleaved morphology are visible in the metal matrix. It can be stated that a negative manifestation of Zr alloying is expressed by an increase in gassing of experimental alloys, especially in variants with a content of Zr ≥ 0.15 wt. %. Experimental samples were cast into ceramic moulds. The development of an experimental alloy AlSi9Cu1Mg alloyed with Zr would allow the production of a more sophisticated material applicable to thin-walled Al castings capable of operating at higher temperature loads.
Źródło:
Archives of Foundry Engineering; 2020, 20, 2; 13-18
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of the production process and heat processing parameters on the fatigue strength of high-grade medium-carbon steel
Autorzy:
Lipiński, T.
Wach, A.
Powiązania:
https://bibliotekanauki.pl/articles/382766.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
obróbka cieplna
metalografia
stal
wytrzymałość zmęczeniowa
trwałość zmęczeniowa
proces produkcji
heat treatment
metallography
steel
fatigue strength
fatigue durability
production process
Opis:
The experimental material consisted of semi-finished products of high-grade, medium-carbon constructional steel with: manganese, chromium, nickel, molybdenum and boron. The experimental material consisted of steel products obtained in three metallurgical processes: electric and desulfurized (E), electric and desulfurized with argon-refined (EA) and oxygen converter with vacuum degassed of steel (KP). The production process involved two melting technologies; in a 140-ton basic arc furnace with desulphurisation and argon refining variants, and in a 100-ton oxygen converter. Billet samples were collected to analyze: relative volume of impurities, microstructure and fatigue tests. The samples were quenched and austenitized at a temperature of 880 C for 30 minutes. They were then cooled in water and tempered by holding the sections at a temperature of 200, 300, 400, 500 and 600 C for 120 minutes and air-cooled. Fatigue tests were performed with the use of a rotary bending machine at a frequency of 6000 cpm. The results were statistical processed and presented in graphic form. This paper discusses the results of microstructural analyses, the distribution of the relative volume of impurities in different size ranges, the fatigue strength characteristics of different production processes, the average number of sampledamaging cycles and the average values of the fatigue strength coefficient for various heat processing options.
Źródło:
Archives of Foundry Engineering; 2012, 12, 2; 55-60
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heat Treatment of the SiMo Iron Castings - Case Study in the Automotive Foundry
Autorzy:
Cygan, B.
Stawarz, M.
Jezierski, J.
Powiązania:
https://bibliotekanauki.pl/articles/379738.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
heat treatment
solidification process
SiMo cast iron
exhaust manifold
automotive parts
obróbka termiczna
proces krzepnięcia
żeliwo SiMo
kolektor wydechowy
części samochodowe
Opis:
Silicon – molybdenum cast iron commonly called SiMo due to its unique properties has becoming more and more interesting engineering material. The history and development of this alloy is relatively long but, due to the significant difficulties during the manufacturing process resulting in the lower final quality than expected, it has not been applied to often in practice. The biggest challenge is its brittleness as a result of the carbides precipitations. During last few years, thanks to the many important researches made and the general foundry technology development, the interest in SiMo iron has been rapidly growing, especially for the castings for heavy duty applications like corrosion, high temperature and wear abrasion resistant parts. In the article the heat treatment attempts to improve the microstructure of SiMo castings has been presented. The goal was to destroy or at least to refine and uniformly distribute the carbides precipitations to improve mechanical properties of the exhaust manifold castings for the cars. The experiments were carried out for the alloy contains approx. 4% Si, 1% Mo and 3.2%C. The range of the research included: hardness measuring, standard mechanical properties and microstructure for as-cast state and after that the subsequent heat treatment process with another properties check. The result of the heat treatment was the elimination of pearlite from the metal matrix. Moreover, the changes of the carbide molybdenum – rich phase morphology were observed. The dispersion of the carbides precipitations in the carbides area was observed. The experiments proved the possibility to control the microstructure and the mechanical properties of the SiMo castings by means of heat treatment but only to some extent.
Źródło:
Archives of Foundry Engineering; 2018, 18, 4; 103-109
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zastosowanie metod teorii ograniczeń i dynamicznego grupowania zadań do wspomagania planowania procesów obróbki cieplnej
Application of theory of constraints and dynamic tasks grouping to support heat treatment processes planning
Autorzy:
Mleczko, Janusz
Powiązania:
https://bibliotekanauki.pl/articles/339673.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Zarządzania Produkcją
Tematy:
production process planning
heat treatment
theory of constraints
dynamic task grouping
planowanie procesów produkcyjnych
obróbka cieplna
teoria ograniczeń
dynamiczne grupowanie zadań
Opis:
Support of planning heat treatment processes in small batch production is very complex. In the analysed case, the bottlenecks of the processes were located on heat treatment. The difficulty in planning is due to necessity of adapting available resources to changing demand requirements. In the conditions of unit production crucial role plays changeovers time, availability of resources and cost of processing. Due to NP- difficult nature of optimization a simplified method was used. It was a complex of theory of constraints and dynamic task grouping. This is one of the attempts to solve the supporting process production problem with a method enabling its practical use.
Źródło:
Zarządzanie Przedsiębiorstwem; 2019, 22, 4; 7-13
1643-4773
Pojawia się w:
Zarządzanie Przedsiębiorstwem
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mathematical Model of the Drying Process of Wet Materials
Model matematyczny procesu suszenia materiałów wilgotnych
Autorzy:
Pavlenko, Anatoliy
Piotrowski, Jerzy Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/1811536.pdf
Data publikacji:
2020
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
thermal insulation material
mathematical modelling
heat treatment
thermal conductivity
thermal process
materiał termoizolacyjny
modelowanie matematyczne
obróbka cieplna
przewodnictwo cieplne
proces termiczny
Opis:
The problem of heat treatment of wet materials contains the question of the heat and mass inside the body transfer (an internal problem) and in the boundary layer at the interface between phases (an external problem). The amount of removable moisture depends on the degree of each of these processes development. When heated, the moisture content on the surface decreases, creating a concentration difference across the body. Therefore, a flow of moisture occurs in the body from deep layers to the surface, towards which the flow of heat is directed. Thus, when wet materials are heated, complex processes of moisture and heat exchange occur, mutually affecting the enthalpy and moisture content of both the heated material and the environment. The features of mathematical model construction of heating and drying of wet materials process are considered in the article. The drying process is defined as a thermal process with effective heat transfer coefficients with consideration of mass transfer. It makes it possible to obtain analytical dependencies that are convenient for engineering calculations, with which you can determine the temperature field and evaluate the kinetics of wet materials drying.
Problem obróbki cieplnej wilgotnych materiałów obejmuje zagadnienia transferu ciepła i masy wewnątrz komponentu (problem wewnętrzny) i w warstwie granicznej z przemianą fazową (problem zewnętrzny). Ilość usuwanej wilgoci zależy od stopnia rozwoju każdego z tych procesów. Po podgrzaniu zawartość wilgoci na powierzchni zmniejsza się, tworząc różnicę koncentracji w całym materiale. Dlatego w materiale występuje przepływ wilgoci z głębokich warstw na powierzchnię, na którą skierowany jest przepływ ciepła. Oznacza to, że gdy ogrzewane są wilgotne materiały, zachodzą złożone procesy wymiany wilgoci i ciepła, wpływając wzajemnie na entalpię i zawartość wilgoci zarówno ogrzewanego materiału, jak i środowiska.W artykule omówiono cechy budowy modelu matematycznego procesu ogrzewania i suszenia materiałów zawilgoconych. Proces suszenia definiuje się jako proces termiczny o efektywnych współczynnikach przenikania ciepła z uwzględnieniem transferu masy. Umożliwia uzyskanie zależności analitycznych dogodnych do obliczeń inżynierskich, za pomocą których można określić pole temperatury i ocenić kinetykę suszenia wilgotnych materiałów.
Źródło:
Rocznik Ochrona Środowiska; 2020, Tom 22, cz. 1; 347-358
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena składowych zużycia procesów tribologicznych w środowisku ścierno-korozyjnym
The valuation of wear constituents of tribological processes in abrasive corrosion medium
Autorzy:
Nadolny, K.
Selech, J.
Powiązania:
https://bibliotekanauki.pl/articles/335533.pdf
Data publikacji:
2007
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Maszyn Rolniczych
Tematy:
korozja
zużycie
proces tribologiczny
warstwa wierzchnia
test ścierno-korozyjny
obróbka cieplna
obróbka cieplno-chemiczna
corrosion
wear
tribological process
heat treatment
thermochemical treatment
surface layer
Opis:
W pracy zaprezentowano wyniki badań dotyczące składowych zużycia całkowitego przeprowadzonych w warunkach modelowych. Na drodze obróbek cieplnych i cieplno-chemicznych zmodyfikowano stan warstwy wierzchniej próbek otrzymując inne charakterystyczne dla każdej z obróbek własności warstwy wierzchniej. Następnie otrzymane próbki poddano zużyciowym testom ścierno-korozyjnym i oszacowano składowe zużycia całkowitego.
The paper presents results of total wear constituents of modelled elements in friction nodes. Using heat and thermochemical treatment, the condition of surface layers in samples has been modified, and alternative properties of surface layer, characteristic for different treatments, have been arrived at. Then, the samples were put to abrasive and corrosive wear tests.
Źródło:
Journal of Research and Applications in Agricultural Engineering; 2007, 52, 2; 5-15
1642-686X
2719-423X
Pojawia się w:
Journal of Research and Applications in Agricultural Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
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