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    Wyświetlanie 1-14 z 14
    Tytuł:
    Thermo-Physical Properties of Selected Inconel
    Właściwości termofizyczne wybranych stopów typu Inconel
    Autorzy:
    Krajewski, P. K.
    Piwowarski, G.
    Buraś, J.
    Krajewski, W. K.
    Rutkowski, P.
    Szeliga, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/353970.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    inconel alloy
    LFA method
    thermophysical properties
    stop inconel
    metoda LFA
    właściwości termofizyczne
    Opis:
    The paper brings results of examinations of main thermo-physical properties of selected Inconel alloys, i.e. their heat diffusivity, thermal conductivity and heat capacity, measured in wide temperature range of 20–900°C. Themathematical relationships of the above properties vs. temperature were obtained for the IN 100 and IN 713C alloys. These data can be used when modelling the IN alloys solidification processes aimed at obtaining required structure and properties as well as when designing optimal work temperature parameters.
    Praca dotyczy badań głównych właściwości termofizycznych wybranych stopów typu Inconel, to jest dyfuzji ciepła, przewodności cieplnej i ciepła właściwego, mierzonych w szerokim zakresie temperatury 20–900°C. Matematyczne zależności ww. właściwości w funkcji temperatury dotyczą stopów IN 100 oraz IN 713C. Uzyskane w badaniach dane mogą być wykorzystane podczas numerycznego modelowania krzepnięcia i projektowania stopów typu IN o pożądanej strukturze i właściwościach a także projektowania optymalnych temperaturowych parametrów pracy.
    Źródło:
    Archives of Metallurgy and Materials; 2014, 59, 3; 1055-1058
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mechanism and kinetics oxidation of inconel 617 and 625 alloys
    Autorzy:
    Staszewska, K.
    Scendo, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/134738.pdf
    Data publikacji:
    2016
    Wydawca:
    ADVSEO
    Tematy:
    inconel alloy
    thermogravimetric analysis
    thermodynamic parameters
    parabolic rate constants
    activation energy
    Opis:
    The mechanism and kinetics of oxidation of Inconel 617 and 625 alloys in air atmosphere were investigated. Materials were examined by the thermogravimetric method. The X-ray diffraction spectrometer (XRD) was used to observation change in chemical composition the oxide scales of Inconel alloys specimens. Oxidation kinetics was determined from weight-change measurements. The surface and microstructure of the sample were observed in an optical microscope (OM) and a scanning electron microscope (SEM). The results showed that the oxide scales of the alloys were compact and continuous. The layer were contained as the outer of Cr2O3, and the internal of NiCr2O4 spinel, NiO and other oxides. Oxides’ scales with good adherence were formed on the surface of alloys. The kinetics and thermodynamic parameters of oxides formation were calculated and discussed for both alloys.
    Źródło:
    Technical Issues; 2016, 1; 82-89
    2392-3954
    Pojawia się w:
    Technical Issues
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Theoretical and experimental analysis of roll bending of half ring of gas turbine
    Autorzy:
    Świątoniowski, A.
    Szostak, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/247937.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    roll bending
    gas turbine component
    INCONEL alloy 617
    MES
    Bar Bending Machine
    Opis:
    The article presents an analysis of forming half reinforcement ring housing the gas turbine. The ring is made of INCONEL alloy 617 material, which is based on nickel-chromium-cobalt-molybdenum alloy characterized by high strength and resistance to oxidation at high temperatures as 1100-1200°C. Square bar of dimensions 50x50 roll bending at half ring with a diameter of 1500 mm, an intermediate product is prepared for machining. The forming process is divided into two operation. The first operation is to pre-bending the rod. The second operation is to roll bending to the radius determined by the deflection. The article presents the map of reduced stress of HMH for two operations, obtained from the numerical simulation based on the finite element method. It also presents the load on the tools during the entire process. Physical tests were carried out on the device for roll bending steel profiles DURMA PBH 125. The article sets out the minimum allowances technology needed to complete half of the ring. A comparison of deviations, outside diameter of the ring, was resulting from the spring back in the study of physical and numerical simulations. We also compared the flatness deviation of the ring resulting in the research. The results of theoretical research have confirmed good agreement with physical examinations. The research provided an opportunity to develop technologies forming of half ring on the above machine of bending steel profiles
    Źródło:
    Journal of KONES; 2014, 21, 2; 289-294
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fatigue characteristics of materials used in transport industry applications
    Autorzy:
    Belan, Juraj
    Kuchariková, Lenka
    Mazur, Magdalena
    Tillová, Eva
    Chalupová, Mária
    Powiązania:
    https://bibliotekanauki.pl/articles/88678.pdf
    Data publikacji:
    2019
    Wydawca:
    Stowarzyszenie Menedżerów Jakości i Produkcji
    Tematy:
    fatigue properties
    Inconel alloy
    aluminum alloy
    fatigue fracture
    transportation safety
    właściwości zmęczeniowe
    stop Inconel
    stop aluminium
    pęknięcie zmęczeniowe
    próba zmęczeniowa
    bezpieczeństwo transportu
    Opis:
    Designers have a major interest about fatigue properties of materials used in transport industry. Each component in transport works under alternating stress. From this point of view the fatigue properties are important for single parts lifetime resulting into safety of whole components as cars and airplanes what leads to safety on the roads or air and have influence on human life as well. Therefore this paper deals with fatigue properties of wrought Inconel alloy IN 718 and aluminum cast alloy AlSi9Cu3. Both materials were put on fatigue push – pull test, but Ni – based IN 718 alloy at frequency of loading around 20 000 kHz (High Frequency High Cycles Fatigue) and aluminum alloy AlSi9Cu3 at frequency of loading around 80 Hz (Low Frequency High Cycles Fatigue). These parameters were chosen with respect of usage such materials for production of components used in transport industry applications. Results after fatigue tests are presented as Wohler curve. For prediction of source of fracture the SEM fractography analysis of fatigue fracture surfaces was made.
    Źródło:
    System Safety : Human - Technical Facility - Environment; 2019, 1, 1; 810-818
    2657-5450
    Pojawia się w:
    System Safety : Human - Technical Facility - Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermal efficiency of the Trudisk 4002
    Autorzy:
    Jędrusik, Agnieszka
    Opiekun, Zenon
    Lenik, Magdalena
    Powiązania:
    https://bibliotekanauki.pl/articles/2014093.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Rzeszowska im. Ignacego Łukasiewicza. Oficyna Wydawnicza
    Tematy:
    welding
    Inconel 718 nickel alloy
    thermal parameters
    Opis:
    The article presents the test results of thermal efficiency of the welded thin heatresistant sheets of Inconel 718 nickel alloys using the Trudisk 4002 instalated in the TruLaser 5020 equipment. The thermal efficiency of the laser was determined using a water-cooled calorimeter. Thin sheet metal samples 0,7 and 0,9 mm, installed in the calorimeter were subjected to a laser beam with the power of 400 to 700 W, moved along the line at a constant speed Vs = 25 mm/s. The thermal efficiency was calculated as the quotient of the heat absorber by the welded sheets, determined calorimetrically, to the total amount of heat generated by the laser. The results show that thermal efficiency depends non-linearly on the laser power. The thickness of the plates to be welded does not affect efficiency. As the power of the laser increases from 400 to 600 W, thermal efficiency decreases three times from 21% to 7%, and with the increase of its power to 700 W, thermal efficiency increases to 28%.
    Źródło:
    Physics for Economy; 2021, 4; 29-34
    2544-7742
    2544-7750
    Pojawia się w:
    Physics for Economy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermo-mechanical model of a TIG welding process for the aircraft industry
    Model termo-mechaniczny procesu spawania TIG dla przemysłu lotniczego
    Autorzy:
    Hojny, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/356046.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    deformations
    welding
    finite element modeling
    Inconel 625 alloy
    deformacja
    spawanie
    modelowanie elementów skończonych
    stop Inconel 625
    Opis:
    TIG welding is the most important process, which is used in the aircraft industry. A number of components of airplane are made using this method. Thermo-mechanical models are needed to understand better phenomena involved in this process. In the presented work thermo-mechanical simulations were performed and the possibilities of welding distortion in the investigated process were evaluated. Comparison of the results of numerical simulation with the experimental data confirmed good predictive capabilities of the model and quite good description of the phenomena involved in this process.
    Spawanie metodą TIG jest jedną z ważniejszych metod używanych w przemyśle lotniczym. Wiele komponentów samolotu powstaje dzięki tej metodzie. Model termo-mechaniczny wspomnianego procesu jest konieczny do dokładnej analizy zjawisk powstających podczas procesu. W prezentowanej pracy opracowano model termo-mechaniczny w kontekście analizy deformacji spawanych elementów. Porównanie otrzymanych wyników na drodze symulacji z wynikami eksperymentalnymi wykazało poprawne odwzorowanie zjawisk zachodzących podczas procesu spawania.
    Źródło:
    Archives of Metallurgy and Materials; 2013, 58, 4; 1125-1130
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Microstructure and Properties of Dissimilar Joints of AISI 430 Steel with Inconel 625 Obtained by Electron Beam Welding
    Autorzy:
    Dziekońska, Małgorzata
    Jonda, Ewa
    Sroka, Marek
    Węglowski, Marek Stanisław
    Jung, Tymoteusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2201845.pdf
    Data publikacji:
    2022
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    dissimilar joint
    Inconel 625
    Inconel 625 alloy
    AISI 430
    AISI 430 stainless steel
    electron beam welding
    microstructure
    properties
    Opis:
    Electron Beam Welding (EBM) is a high-energy density fusion process where joint is bombarded to be welded with strongly focused beam of electrons. This method is often used for advanced materials and complex, critical parts, like turbine rotors, but it can also be used for many simpler processes involving large production runs. It is very suitable for butt welding materials of different thicknesses. The aim of this work was to study the microstructure, hardness, and electrochemical corrosion behavior between the dissimilar welds were investigated. Electron Beam Welding of dissimilar steel alloys Inconel 625 and AISI 430 was studied. In welding process there was used only welded materials without filling material. Results showed the microstructure of the weld solidified in dendritic morphology. The microstructure of fusion zone showed that dendrites grew in different directions for each grain. The dendrites and columnar grains are mainly exposed to the fusion boundary with some equiaxed grains. The hardness of the overall joint was non-uniform. The highest hardness of the HAZ/Inconel 625 (the heat-affected zone) was 258 HV, and the lowest weld zone hardness was 178 HV. The decrease in weld hardness may be due to the linear welding energy, which led to grain growth and excessive cooling. HAZ/AISI 430 steel has the lowest current density and the highest corrosion potential. Steel has a more negative corrosion potential and a lower corrosion current density than joints, likely due to higher levels of chromium. In this study, a metallographic investigation of the joints revealed no defects such as microcracks or pores. The melting temperatures of the two materials were quite different, but with the help of gravity, stainless steel acts as a permanent joint, like a rivet.
    Źródło:
    Advances in Science and Technology. Research Journal; 2022, 16, 4; 232--242
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Kształtowanie właściwości mechanicznych stopu niklu Inconel 625 w procesie azotowania jarzeniowego
    Modifying the properies of the Inconel 625 nickel alloy by glow discharge assisted nitriding
    Autorzy:
    Rudnicki, J.
    Borowski, T.
    Garbacz, H.
    Wierzchoń, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/190438.pdf
    Data publikacji:
    2009
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    Inconel 625
    azotowania jarzeniowe
    azotek chromu
    odporność na zużycie przez tarcie
    wytrzymałość zmęczeniowa
    Inconel 625 alloy
    glow discharge nitriding
    chromium nitride layer
    wear resistance
    fatigue strength
    Opis:
    Stopy niklu typu Inconel stosowane w przemysłach: lotniczym, chemicznym, energetycznym, (zawierające powyżej 15% wag. chromu) charakteryzują się dobrymi właściwościami mechanicznymi, plastycznością, dobrą odpornością korozyjną. Wykazują jednak niską odporność na zużycie przez tarcie, co można wyeliminować poprzez zastosowanie obróbek powierzchniowych. W artykule omówiono strukturę i właściwości warstw azotowanych wytworzonych na stopie Inconel 625 (20% wag. Cr, 10% wag. Mo, 5% wag. Fe, 1% wag. Co, Ni – reszta). Stwierdzono znaczny wzrost twardości, odporności na zużycie przez tarcie i wytrzymałości zmęczeniowej stopu niklu z wytworzoną dyfuzyjną warstwą azotku chromu.
    The nickel alloys of the Inconel type (containing above 15wt% of chromium), used in many industrial applications, including the manufacture of aircraft, chemistry, power generation, and material processing, have advantageous mechanical properties, high plasticity and good corrosion resistance, but their frictional wear resistance is poor. This drawback can be obviated by subjecting the alloys to surface treatments. The paper describes the structure and properties of nitrided layers produced on the Inconel 625 nickel alloy (20wt.%Cr, 10wt.%Mo, 5wt%Fe, 1wt%Co, balance-Ni). It was found that the diffusive chromium nitride layers produced on the alloy surface improve the hardness, frictional wear resistance, and fatigue strength of the alloy.
    Źródło:
    Tribologia; 2009, 3; 209-218
    0208-7774
    Pojawia się w:
    Tribologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Laser Welding of TA15 Titanium Alloy and Inconel 718 Dissimilar Metals
    Autorzy:
    An, Qi
    Wu, Dongting
    Liu, Peng
    Zou, Yong
    Powiązania:
    https://bibliotekanauki.pl/articles/2174556.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    TA15 titanium alloy
    Inconel 718 nickel-based alloy
    laser welding
    microstructure
    tensile strength and fracture characteristic
    Opis:
    This paper studied the effect of laser welding technology on dissimilar metal welding joints of TA15 titanium alloy and Inconel 718 nickel-based alloy. The research results indicate that the laser welding of TA15 titanium alloy and Inconel 718 nickel-based alloy directly was difficult to form well, which due to the intermetallic compounds caused the joint brittle. When the pure Cu foil was used as the filling layer, the quality of the welding joints can be improved effectively. The experimental results also indicate that there were brittle intermetallic-compounds in the laser welding seam, and the laser power had an important influence on the performance and mechanical properties of the dissimilar metal joint. The maximum average tensile strength of the welding joint of 2300 W was increased to 252.32 MPa. Scanning electron microscope(SEM) results show that the fracture morphology was river pattern, a typical morphological of cleavage fracture, and the mode was brittle fracture.
    Źródło:
    Archives of Metallurgy and Materials; 2022, 67, 4; 1267--1276
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of machining parameters during end milling of super alloys using grey based taguchi method coupled with entropy measurement technique
    Autorzy:
    Sreenivasulu, Reddy
    Rao, Chalamalasetti Srinivasa
    Powiązania:
    https://bibliotekanauki.pl/articles/95277.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    CNC end milling
    inconel 718 super alloy
    burr height
    surface roughness
    grey based Taguchi method
    entropy measurement
    frezowanie CNC
    superstop Inconel
    chropowatość powierzchni
    metoda Taguchi
    pomiary entropii
    Opis:
    High-quality products include those with better surface quality and texture, close dimensional tolerances and form accuracies at precise level, increase fatigue life and burr-free. Burr formation is one of the most common inevitable facts occurring in all material removal processes, reduces assembly and machined part quality. But, burr formation during milling is a more complex mechanism compare to remaining machining burrs and leads to numerous difficulties during the deburring process. To prevent this, one should optimize the combination of cutting parameters during machining itself. In order to build up a link between quality and productivity and to attain the same in the cost-effective way, the present work concentrate on multi objective optimization of CNC end milling process parameters. Multiple performance characteristics with respect to surface quality and performance index like assembly work have been put up, to assess an equivalent single quality index (called grey relational grade) has been optimized finally by Grey based Taguchi method. After that priority weight of individual quality and performance attributes has been estimated by entropy measurement technique on the basis of relative significance and check the feasibility of the proposed technique has been demonstrated in this context.
    Źródło:
    Journal of Mechanical and Energy Engineering; 2020, 4, 1; 47-56
    2544-0780
    2544-1671
    Pojawia się w:
    Journal of Mechanical and Energy Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cracking of Pad-Welded Inconel 713C Precision Castings
    Autorzy:
    Adamiec, J.
    Łyczkowska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/381898.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Inconel 713C
    nickel alloy
    cracking
    cast repairing
    stop niklu
    pękanie
    naprawa odlewu
    Opis:
    Inconel 713C is a nickel-based casting alloy characterised by improved heat and creep resistance [1]. It is used e.g. in aircraft engine components, mainly in the form of precision castings. Precision casting enables very good reproduction of complex shapes. However, due to major differences in casting wall thickness and the resultant differences in rigidity, defects can form in precision castings. The most common defects in precision castings are shrinkage porosities and microcracks. Inconel 713C is considered to be a difficult-to-weld or even non-weldable alloy. However, the need to repair precision castings requires attempts to develop technologies for their remelting and pad welding which could be used in industrial practice. This article presents the results of tests consisting in TIG pad welding of defects identified in precision castings intended for the aircraft industry. It was found that the main reason behind failed attempts at repairing precision castings by welding technologies was hot cracking in the fusion zone. Such cracks form as a result of the partial melting of intercrystalline regions along the fusion line. The deformations occurring during the crystallization of the melting-affected zone (fusion zone + partially melted zone + heat affected zone) or pad weld lead to the rupture of the intercrystalline liquid film. Hot cracks form within the so-called high-temperature brittleness range (HTBR) of the alloy. Another type of cracks that was identified were ductility dip cracks (DDC), whose formation is related to the partial melting of carbides.
    Źródło:
    Archives of Foundry Engineering; 2018, 18, 2; 215-219
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Structure of Precision Castings Made of the Inconel 713C Alloy
    Autorzy:
    Łyczkowska, K.
    Adamiec, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/382665.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    casting defect
    nickel alloy
    Inconel 713C
    precision casting
    pad welding
    wada odlewu
    stop niklu
    odlewanie precyzyjne
    napawanie
    Opis:
    Inconel 713C alloy belongs to the group of materials with high application potential in the aerospace industry. This nickel alloy has excellent features such as high strength, good surface stability, high creep and corrosion resistance. The paper presents the results of metallographic examinations of a base material and padding welds made by laser beam on the Inconel 713C alloy. The tests were made on precisely cast test plates imitating low - pressure turbine blades dedicated for the aerospace industry. Observations of the macro- and microstructure of the padding welds, heat-affected zone and base material indicate, that the Inconel 713C alloy should be classified as a hard-to-weld material. In the investigated joint, cracking of the material is disclosed mainly in the heat-affected zone and at the melted zone interface, where pad weld crystals formed on partially melted grains. The results show that phases rich with chromium and molybdenum were formed by high temperature during welding process, which was confirmed by EDS analysis of chemical composition.
    Źródło:
    Archives of Foundry Engineering; 2018, 18, 4; 19-24
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Numerical analysis of the influence of lubrication conditions on the filling pattern in a complex process of extruding particular high-melting materials
    Numeryczna analiza wpływu warunków smarowania na wypełnienie wykroju w złożonym procesie wyciskania wybranych materiałów wysokotopliwych
    Autorzy:
    Krawiec, A.
    Chyła, P.
    Bednarek, S.
    Łukaszek-Sołek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/264173.pdf
    Data publikacji:
    2012
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    wyciskanie złożone
    sterowane smarowanie
    stop Inconel 718
    stop Ti6Al4V
    modelowanie numeryczne
    complex extrusion
    controlled lubrication
    InconelŽ718 alloy
    Ti-6Al-4V alloy
    numerical modelling
    Opis:
    In this paper, the process of extrusion was analyzed numerically for a axisymmetric forging model where there is a complex material flow diagram (Fig. 1a). The analysis was performed assuming a different stoke slenderness ratio so you can control how to fill the die impression (direct extrusion, in direct and side - Fig. 1b)-d), using lubricants with different values of friction factor.
    W niniejszej pracy proces wyciskania analizowano numerycznie na modelowej odkuwce osiowosymetrycznej, w której występuje złożony schemat płynięcia materiału. Analizę przeprowadzono, zakładając różną smukłość wsadu, dzięki czemu można było sterować sposobem wypełniania wykroju (wyciskanie współbieżne, przeciwbieżne i boczne), przy zastosowaniu smarów o różnych wartościach czynnika tarcia. Przy precyzyjnym dawkowaniu środka smarującego (sterowane smarowanie) możemy obniżać wartość końcową siły kształtowania. Ten problem był analizowany w niniejszym artykule.
    Źródło:
    Metallurgy and Foundry Engineering; 2012, 38, 1; 13-24
    1230-2325
    2300-8377
    Pojawia się w:
    Metallurgy and Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of direct metal laser sintering ‒ DMLS and heat treatment influence on the Inconel 713C nickel alloy structure
    Autorzy:
    Ciftci, Jakub
    Sitek, Ryszard
    Mizera, Jarosław
    Powiązania:
    https://bibliotekanauki.pl/articles/1819226.pdf
    Data publikacji:
    2021
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    Inkonel 713C
    obróbka cieplna
    spiekanie laserowe metali bezpośrednie
    EOS M100
    stop niklu
    struktura
    Inconel 713C
    heat treatment
    direct metal laser sintering
    nickel alloy
    structure
    Opis:
    The group of nickel-based superalloys produced in the DMLS (Direct Metal Laser Sintering) process is limited to materials, which produced conventionally do not have properties to allow to use them for rotating components of aircraft engines. This work attempts to optimize the technological parameters of the DMLS process for the Inconel 713C nickel superalloy. A heat treatment was performed for selected samples to investigate the effect on the morphology of the Ni3Al phase. The microstructure analysis and hardness tests were carried out. The material after the DMLS process was characterized by the presence of much smaller dendrites than the cast material and exceeded its hardness. Additionally, for the tested variants of heat treatment, the material was characterized by smaller sizes of the Ni3Al phase by more than half. In order to ensure the stability of the microstructure, further optimization of the dedicated heat treatment after the DMLS process is required, as the standard heat treatment for Inconel 713C cast nickel superalloy does not fully recrystallize the material.
    Źródło:
    Welding Technology Review; 2021, 93, 3; 49--56
    0033-2364
    2449-7959
    Pojawia się w:
    Welding Technology Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-14 z 14

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