Mar m 247 additive manufacturing. In this, CM 247 is not a normal super alloy.
Mar m 247 additive manufacturing Lower Zr Lower Ti Tightly Si control > S MAR M 247 . 3—Temperature-induced gradient of the surface tension and the resulting Marangoni convection with qualitative presentation of the temperature T, the surface tension F, and the shear stress s. Besides a defect-free processing, EBM process capabilities offer unique opportunities to tailor the microstructure according to material requirements for high-temperature Apr 28, 2022 · Additive manufacturing is a technology that continuously layers powder or wires and is capable of manufacturing parts with complex geometry [14,15]. Jun 13, 2020 · Electron beam welding of Mar-M 247 has been simulated on the basis of a thermal “heat source” model . 0% to about 8. 5 wt% Al and Ti being less weldable [9] Apr 1, 2023 · Additive manufacturing K. Additive Manufacturing Research Apr 1, 2022 · Additive Manufacturing of Powdery Ni-Based Superalloys Mar-M-247 and CM 247 LC in Hybrid Laser Metal Deposition Article 05 July 2018 Laser Cladding of Ni-Based Superalloys high temperature/strength (Mar -M-247) Used AMES alloy design expertise to modify AMES Materials Preparation Center made precision alloys for tests and atomization runs ORNL made AM builds with AMES alloy powder and commercial powder batch of AMES alloy. [1, 2], or of IN713LC alloy [5] in literature. 54 mm. DEHOFF, 8 and S. In his PhD work, McNutt, 2015 carried out laser cladding experiments of CM247LC for repair applications but could not fully suppress welding cracks, even when pre-heating at 800 °C. Start: Q1 2024 . 07% microstructure, carbide stabil- Jul 1, 2018 · Asymmetric Cracking in Mar-M247 Alloy Builds During Electron Beam Powder Bed Fusion Additive Manufacturing Show authors by Yousub Lee, Michael M Kirka, Seokpum Kim, Fnu Niyanth S, Alfred O Okello, Ryan R Dehoff, Sudarsanam Suresh Babu Download scientific diagram | Composition of Mar-M247 reference alloy in at. These two samples were fabricated using E values of 26. Weldability depends on the γ ′-phase volume fraction, with alloys containing over 4. 0% to about 11. OKELLO, R. Jan 18, 2023 · Additive manufacturing of high gamma prime (γ’) Nickel-based superalloys are challenging due to their hot cracking tendency. 50 mm x 5. The feasibility of 20kHz pulsed DCEN TIG repair welding was investigated. Our success is a reflection of the Beehive team’s unrelenting drive to find solutions through traditional metallurgy and through innovative ideas. This includes the grain size and orientation as well as the investigation of size, shape, and distribution of the γ′ precipitates and carbides. If this alloy is to be used, then additive is essential, because building the head through traditional assembly would not be possible. 015 0. Additive Manufacturing of Powdery Ni-Based Superalloys Mar-M-247 and CM 247 LC in Hybrid Laser Metal Deposition ANDRE´ SEIDEL, THOMAS FINASKE, ARIANE STRAUBEL, HORST WENDROCK, TIM MAIWALD, MIRKO RIEDE, ELENA LOPEZ, FRANK BRUECKNER, and CHRISTOPH LEYENS The present paper addresses the phenomena of hot cracking of nickel-based superalloys in the perspective of hybrid Laser Metal Deposition Mar 1, 2023 · Abstract In this contribution it will be shown how the metal powder bed fusion technology electron beam melting (EBM) enables a successful crack- and defect-free processing of the non-weldable Ni-based superalloy Alloy 247. At 982 °C, although LW 4275 showed better UTS than Rene 80, it was inferior compared to MAR-M-247 and IN 738. Welds were inspected for flaws and their microstructures were characterised. This makes LMD a promising approach for the processing of advanced materials, such as intermetallics. This includes an extract of relevant theoretical … Jul 31, 2021 · In this study, we investigate the viability of four hot cracking criteria published in the literature for the numerical development of crack-resistant alloys. Super alloy Mar M 247™ is a nickel-based super alloy. The chemistry changes and objectives are summarized as follows: Table I. Mar 1, 2021 · RENÉ 108, commonly known as CM247LC or Mar M 247, is a Ni-based superalloy with a γ’ volume fraction higher than 60% that is prone to internal cracking when processed by powder bed fusion techniques [14], [15]. like Titanium, Nickel, Copper, Aluminum, Stellite, Corrosion resistant steels etc. 05 Bal . The spherical form of the alloy powder, achieved through advanced gas atomization techniques, ensures excellent flowability, packing density, and consistency, making it ideal for additive manufacturing (3D printing), thermal spraying, and powder metallurgy. 0 0. Unknown/Risk: investigated if Mar-M- 247 could be made AM-compatible with modification. BABU 9 10 In the electron beam powder bed fusion (EB-PBF) process, a substantial number of Mar 1, 2020 · Globally, there is a lack of published data related to welding, fusion defects or repairing on CM247LC (or Mar-M 247). an “additive manufacturing-friendly” nickel-based superalloy is achieved, in part, by providing a carbon content that is below the existing elemental ranges for the traditional high carbon baseline Mar-M-247 composition (see, for example, U. Jul 5, 2018 · Laser Powder Bed Fusion or Direct Energy Deposition of the nickel-based superalloy MAR-M247 poses a challenge in additive manufacturing due to its poor weldability. The work examined effects of build orientation and subsequent heat treatments on the evolution of microstructure to tailor monotonic strength and ductility of the alloy. 0 6. The aluminide layer of 20 µm was obtained through the chemical vapor deposition (CVD) process in the hydrogen protective atmosphere for 8 h at the temperature of 1040 °C and internal pressure of 150 mbar. S. (a) SEM image of the MARM-247 powder, and (b) optical microscopy of the MAR-M247 powder cross-section after polishing. The PDAS of different sizes results from the uneven distribution of the cooling Jan 5, 2025 · This study investigates the oxidation kinetics of a newly designed L1 2-strengthened medium entropy alloy (MEA) and high entropy alloy (HEA) produced by additive manufacturing and compares them with commercially available IN718 and MAR-M247 alloys. 100392 (Open in a new window) Google Scholar Aug 21, 2024 · Hybrid additive manufacturingAdditive manufacturing plays a crucial This alloy has a modified chemical composition from the MAR-M-247 superalloy and was Additive Manufacturing of Powdery Ni-Based Superalloys Mar-M-247 and CM 247 LC in Hybrid Laser Metal Deposition durch magnetofluiddynamische Maßnahmen beim Additive Manufacturing of Powdery Ni-Based Superalloys Mar-M-247 and CM 247 LC in Hybrid Laser Metal Deposition Authors: André Seidel, Thomas Finaske, Ariane Straubel, Horst Wendrock, Tim Maiwald, Mirko Riede, Elena Lopez, Frank Brueckner, Christoph Leyens Sep 4, 2019 · DM 247 is based on MAR M247, which is non-weldable and often used in applications that deal with elevated temperatures, such as material for turbine blades. The material composition affects the choice of technological parameters for the formation of defect-free samples in additive manufacturing. components made of Mar-M-247; Additive Manufacturing Forms Available: Inert Gas Atomized Spherical Powder Particle Size Distribution: -106/+45 µm -45/+5 µm In this work, we demonstrate powder bed fusion-based additive manufacturing of MAR-M247 onto like-chemistry substrates through scanning laser epitaxy (SLE). Hence Explore millions of resources from scholarly journals, books, newspapers, videos and more, on the ProQuest Platform. Its application areas range from seawater applications and chemical processing equipment to the nuclear industry and aerospace. SRIDHARAN, A. 8% chromium, about 5. Apr 27, 2021 · The additive manufacturing (AM) technique, laser metal deposition (LMD), combines the advantages of near net shape manufacturing, tailored thermal process conditions and in situ alloy modification. superalloy MAR M-247 by means of high Sep 5, 2019 · DM 247 is based on the non-weldable MAR M247, which is widely used as material for turbine blades and in other applications with elevated temperatures. 1016/j. lO% max 150 ppm max Lower C MAR M 247 CM 247 LC - Improve carbide . The ability to manufacture components out of high-performance metals through additive manufacturing technologies attracts industries that wish to develop more complex parts, but require components to maintain earlier published CM work on MAR M 247 alloy (11, 12). from publication: Numerical Alloy Development for Additive Manufacturing towards Reduced Cracking Susceptibility | In Dec 18, 2023 · Mar-M 247; Mar M-247 was originally an internal challenge, an aspirational goal. This study comprises an understanding of microstructural evolution Apr 18, 2022 · In a recent paper, we have reported successful additive manufacturing of cobalt-based superalloy Mar-M-509® via laser powder bed fusion. is an additive manufacturing method which involves local laser melting of powder Jun 18, 2018 · Additive manufacturing enables the design of components with intricate geometries that can be manufactured with lead times much shorter when compared with conventional manufacturing. 4,461,659 earlier published CM work on MAR M 247 alloy (11, 12). KIRKA, S. Member Report 854/2006 Laser Additive Manufacturing as a Key Enabler for the · PDF fileo Inconel 625/718, 738, MAR M 247, Hastelloy X, Single Crystal • Testing and Analysis o Density, surface roughness, 247 8. Pirch W. Furthermore, the direct energy deposition (DED) processes can be used for repair Hybrid manufacturing, which, e. The SLE process was conducted on rectangular EQ MAR-M247 substrates having dimensions of 31. In this, CM 247 is not a normal super alloy. %. Description: Nickel-based superalloys are pivotal hightemperature materials, playing a central- role in aviation and energy production. Both publications connect carbides with low elongation values. Dec 20, 2019 · Processing of nickel based superalloy MAR M-247 by means of High-Temperature Selective Laser Melting (HT-SLT) Y. Consequently, additive manufacturing of these alloys is particularly challenging. Although optimised post processing techniques allow improvements in already outstanding mechanical properties and stability of this alloy [11], boundary cracking problems during directional solidification [12] and tendency to hot Mar 1, 2023 · Alloy 247 as a non-weldable alloy is highlighted in the regime for poorly weldable alloys. 7 10. 84 3J/mm Additive manufacturing Ni-superalloy Laser powder bed fusion Transmission electron microscopy MAR-M-247 [8], and Rene 80 [9] for the direct replacement of existing parts such as blade Know 3D Metal Powder Printing materials properties used by DM3D technology for creating single / multi-material metal parts in Aerospace, Aviation, etc. The present paper addresses the phenomena of hot cracking of nickel-based superalloys in the perspective of hybrid Laser Metal Deposition (combined application of induction and laser). single weld bead manufactured via LMD by means of Mar-M-247 powder material and a Mar-M-247 ingot substrate material. (a) SEM image of the MAR-M247 powder and (b) OM image of the powder cross-section. Materialia . The following table outlines the chemical composition of Mar M 247™. Hagedorn J. 0 1. 此外，解决了热等静压和热处理以及在高温下的拉伸测试。进一步的研究包括x射线ct测量，电子背散射衍射（ebsd），扫描电子显微镜（sem）以及光学显微镜的评估。基本结果证明了高性能合金mar-m-247和247合金的可靠加工性能，并详细描述了工艺固有的微观结构。 Aug 1, 2015 · But Mar-M 247, which is even better than Inconel at retaining its strength at high temperatures, might permit a more compact or efficient design. Similar behavior was observed in YS between IN 738 and LW 4275 at 927 °C and 982 °C, as reported earlier. Larson-Miller-Parameter creep comparisons of CM247LC, Mar-M-247, IN738 nickel-based superalloy, as well as SLM fabricated IN738LC (data from references [25,35,137 May 25, 2017 · MAR-M247 is a nickel-base superalloy developed at the Martin Marietta Company in the 1970s [1]. Jul 5, 2018 · Request PDF | Additive Manufacturing of Powdery Ni-Based Superalloys Mar-M-247 and CM 247 LC in Hybrid Laser Metal Deposition | The present paper addresses the phenomena of hot cracking of nickel Download scientific diagram | 2. Risse N. g. Request PDF | On Mar 1, 2025, Lidong Gu and others published Corrigendum to “Machine learning in additive manufacturing——NiTi alloy’s transformation behavior” [Mater. Login Sign up The results provide a potential pathway based on spatially varying beam scanning strategies to reduce the cracking tendency during additive manufacturing of complex geometries on the overhang structure in high-gamma prime nickel-based superalloys. The fundamental results prove the reliable processibility of the high-performance alloys Mar-M-247 and Alloy 247 LC and describe in detail the process inherent microstructure. Additive manufacturing is a technology that continuously layers powder or wires and is capable of manufacturing parts with complex geometry [14, 15]. Aug 29, 2020 · On the other hand, CM247LC ®, Footnote 1 a superalloy derived from Mar M 247 TM Footnote 2 for directionally solidified (DS) blade and vane applications , contains 67 vol. 0% cobalt, about 8. In this paper, the influence of process parameters on the porosity, crack formation and microstructure of additively manufactured CM247LC nickel-based alloy is analysed. , combines additive manufacturing with conventional machining processes, can be a way of overcoming limitations currently encountered in additive manufacturing. Meiners R. Scanning laser epitaxy (SLE) is a metal powder bed fusion-based additive manufacturing process that creates equiaxed (EQ), directionally solidified (DS) and single-crystal (SX) structures in nickel-base superalloys through controlled laser melting of alloy powders onto like chemistry substrates. Poprawe, Processing of nickel based superalloy MAR M-247 by means of high temperature - selective laser melting (HT - SLM The results also establish that MAR-M247 is an attractive material for the LPBF-based AM processes. Because it has been manufactured using additive manufacturing. A microstructure of the The present paper addresses the phenomena of hot cracking of nickel-based superalloys in the perspective of hybrid Laser Metal Deposition (combined application of induction and laser). MAR-M-247 creep assessment through a modified theta projection model. Due to its high creep and corrosion resistant is the forAM 247LC a good candidate for high temperature applications like aerospace and Semantic Scholar extracted view of "MAR M 247 Derivations - CM 247 LC DS Alloy and CMSX Single Crystal Alloys: Properties & Performance" by K. 0% . Milenkovic [2] connected directly cooling rate with carbides fraction and carbide size. 120 A subtractive process such as CNC can be combined with additive processes to avoid limitations like tool accessibility, low accuracy, surface quality, and low build speed. In this regard, selective electron beam melting (SEBM) and selective laser melting (SLM) of nickel-based superalloys do provide distinct advantages. 4,461,659 Dec 1, 2023 · AsymmeTric Cracking in Mar-M247 alloy builds during electron beam powder bed fusion additive manufacturing. Jan 5, 2021 · In this paper, mechanical properties of the as-received and aluminide layer coated MAR 247 nickel based superalloy were examined through creep and fatigue tests. KIM, N. No. Pat. Besides a defect-free processing, EBM process capabilities offer unique opportunities to tailor the microstructure according to material requirements for high-temperature Mar 2, 2018 · Images of gas atomized MAR-M-247 powder, sample1, size range: 45–106um [ref 15] Some defects found in parts built using AM are related to processing parameters or to the composition of alloys optimised for more conventional, slow-cooling manufacturing process. Topic: Unleashing the potential of MAR-M247 through advanced aging heat treatment via Hot Isostatic Pressing (HIP) after additive manufacturing. 5% to about 10. R. Nos. Repairs to CMSX-10 single crystal blades and Mar-M247 vanes were investigated. Feb 24, 2019 · The combination of additive and subtractive manufacturing processes may pose difficulties from the geometrical standpoint because hybridization affects the fabrication of functional parts with complicated shapes. Jan 1, 1984 · PDF | CM 247 LC is a chemistry modified superalloy derived in late 1978 from the MAR M 247 composition, specifically designed for directionally | Find, read and cite all the research you need Mar 1, 2021 · Additive Manufacturing (AM) enables the design of complex part geometries for high-temperature applications. 7% aluminum, about 2. Jul 5, 2018 · The fundamental results prove the reliable processibility of the high-performance alloys Mar-M-247 and Alloy 247 LC and describe in detail the process inherent microstructure. So, CM 247 is normally a derivative super alloy. The ability to manufacture components out of high-performance metals through additive manufacturing technologies attracts industries that wish to develop more complex parts, but require components to maintain Explore millions of resources from scholarly journals, books, newspapers, videos and more, on the ProQuest Platform. As shown in Tables 1 and it is obvious that progressive remelting can reduce the cooling rate by an order of magnitude. May 7, 2022 · Nickel-based alloys are known as non-weldable materials due to their complex characteristics. Figure 1. 15% . doi: 10. 84 mm x 2. Considering the available AM methods, powder bed fusion (PBF) processes, using either laser or electron beams as high energy sources, have the potential to print complex geometries with a high level of Feb 4, 2024 · Maggiani G, Roy M, Colantoni S, et al. Jun 1, 2018 · Innovative designs for turbines can be achieved by advances in nickel-based superalloys and manufacturing methods, including the adoption of additive manufacturing. 1007/s11661-018-4777-y Corpus ID: 140000219; Additive Manufacturing of Powdery Ni-Based Superalloys Mar-M-247 and CM 247 LC in Hybrid Laser Metal Deposition @article{Seidel2018AdditiveMO, title={Additive Manufacturing of Powdery Ni-Based Superalloys Mar-M-247 and CM 247 LC in Hybrid Laser Metal Deposition}, author={Andr{\'e} Seidel and Thomas Finaske and Ariane Straubel and Horst 增材制造（am）可以设计用于高温应用的复杂零件几何形状。镍基高温合金mar-m247的激光粉末床熔合或直接能量沉积由于其可焊性差而在增材制造中提出了挑战。粘结剂喷射在堆积过程中不利用热源和与液态金属的相互作用，因此有可能克服这一限制。 Jan 1, 2014 · CM 247 LC is a chemistry modified superalloy derived in late 1978 from the MAR M 247 composition, specifically designed for directionally solidified (DS) blade and vane applications. Pricing. A detailed comparison of MAR-M-247 with other superalloys follows, focusing on its superior properties such as creep resistance and temperature stability. It has more tensile strength and ductility advantage than MAR M 247. AB - Scanning laser epitaxy (SLE) is a laser powder bed fusion (LPBF) based additive manufacturing (AM) process developed for the repair and manufacture of gas turbine hot-section components made of nickel-base superalloys. 8% to about 3. 3% to about 5. 3(a) and 3(b) show two representative OM images of the SLE deposited MAR-M247 on EQ cast MAR-M247 substrates. 247 (2024 Figure 2. mtla. This includes the grain size and orientation as well as the investigation of size, shape, and distribution of the γ' precipitates and carbides. 3,720,509, 3,677,747, and 3,526,499) and also below the newer low-carbon version of Mar-M-247 (see, for example, U. Chemical Composition. 2019. 15 0. This includes an extract of relevant theoretical considerations and the deduction of the tailored approach which interlinks material–scientific aspects with state-of-the-art manufacturing engineering. Poprawe K. Metal additive manufacturing (AM) has unlocked unique opportunities for making complex Ni-based superalloy parts with reduced material waste, development costs, and production lead times. Aug 22, 2024 · Additive Manufacturing of Powdery Ni-Based Superalloys Mar-M-247 and CM 247 LC in Hybrid Laser Metal Deposition Search or ask a question. The SLE deposited MAR-M247 followed the polycrystalline morphology of the underlying MAR-M247 substrate. Wissenbach Materials Science, Engineering Oct 1, 2021 · On the other hand, a 60% gamma prime in MAR-M-247 showed better UTS than all the compared alloys. 03% 1. Isothermal oxidation tests at 900 °C to 1100 °C, a cyclic oxidation test at 1100 °C, and Dec 20, 2023 · CM247 is a nickel based super alloy which is derived from another super alloy named MAR M 247. This work will discuss the advantages and limitations associated with binder jetting of γ' Ni-based superalloy RENÉ 108. Results and discussion Deposit characteristics Figs. Laser Powder Bed Fusion or Direct Energy Deposition of the nickel-based superalloy MAR-M247 poses a challenge in AM due to its poor weldability. This includes the grain size and orientation as well as the investigation of size, shape, and distribution of the g' precipitates and carbides. The SLE fabricated MAR-M247 samples are investigated using optical microscopy, scanning electron microscopy, x-ray diffraction, and Vickers microhardness measurements. LEE, M. Wissenbach, R. The temperature Feb 14, 2021 · Additive Manufacturing (AM) enables the design of complex part geometries for high-temperature applications. 5% tungsten, about 9. Mar 1, 2021 · Additive Manufacturing (AM) enables the design of complex part geometries for high-temperature applications. 51 J/mm3 and 26. Fig. Over the past several decades, this alloy has been extensively used in the production of several gas turbine hot-section components such as high-pressure turbine blades and blade rings because of its excellent thermo-mechanical properties [2]. 3 Asymmetric Cracking in Mar-M247 Alloy Builds 4 During Electron Beam Powder Bed Fusion Additive 5 Manufacturing 6 7 Y. 2019;7:100392. Harris et al. The feasibility of the direct laser deposition Mentioning: 10 - Additive Manufacturing of Powdery Ni-Based Superalloys Mar-M-247 and CM 247 LC in Hybrid Laser Metal Deposition - Seidel, André, Finaske, Thomas nickel-base superalloy MAR-M247 fabricated using a laser-powder bed fusion (LPBF)-based additive manufacturing (AM) process, scanning laser epitaxy (SLE). Additionally, LMD allows the composition of a powder blend to be modified in situ. 3% tantalum Mar 1, 2023 · Abstract In this contribution it will be shown how the metal powder bed fusion technology electron beam melting (EBM) enables a successful crack- and defect-free processing of the non-weldable Ni-based superalloy Alloy 247. Glowing EBM powder bed and specimens before recoating of a new powder layer (left). Mar-M247 was chosen as the reference material due to its relevance in the industry and recently growing interest in additive manufacturing of this alloy and its derivatives. DM 625 is an Inconel 625-grade. The datasheet given below provides an overview of Mar M 247™. The alloy contains a high amount of ÿ ( Ni3(Al, Ti) ) volume fraction and refractory elements such as Ta, W and Mo. Apr 28, 2022 · As a result, the number of studies attempting to manufacture Ni-based superalloy with additive manufacturing (AM) has risen significantly over the last decade [13]. Presented results showing reduction of mechanical properties of MAR-M-247 alloy are similar to published results of MAR-M-247 alloy, e. Where do you see the greatest potential for additive manufacturing? Jun 18, 2018 · Additive manufacturing enables the design of components with intricate geometries that can be manufactured with lead times much shorter when compared with conventional manufacturing. 07% microstructure, carbide stabil- <p>The present paper addresses the phenomena of hot cracking of nickel-based superalloys in the perspective of hybrid Laser Metal Deposition (combined application of induction and laser). gas atomized, and spherical powder for additive manufacturing. 0 3. Des. For example, a nickel-based superalloy includes, on a weight basis of the overall superalloy: about 9. Sep 5, 2023 · CM 247 LC is chemistry the modified version of MAR M 247 superalloy [9] designed for directionally solidified applications to achieve single crystal casting [10]. Laser Powder Bed Fusion or Direct Energy Deposition of the nickel-based superalloy MAR Sep 10, 2018 · Request PDF | Additive Manufacturing of powdery Ni-based superalloys Mar-M-247 and CM 247 LC in Hybrid Laser Metal Deposition | The presentation addresses the phenomena of hot cracking of nickel Nov 1, 2024 · The cooling rate of Mar-M247 alloy fabricated in original SLM process is much higher than that of additive manufacturing Ni-based superalloys. 0 10. The work examined effects of build orientation and an “additive manufacturing-friendly” nickel-based superalloy is achieved, in part, by providing a carbon content that is below the existing elemental ranges for the traditional high carbon baseline Mar-M-247 composition (see, for example, U. Jul 5, 2018 · DOI: 10. 121 For . M. % of γ′ in the fully heat-treated condition and is considered non-weldable because of its high Al + Ti level . Next, we present the findings of our investigation into the properties of MAR-M-247 produced via metal binder jetting versus traditional casting methods. Dec 15, 2023 · However, the rapid growth of the dispersed phase in additive manufacturing process lead to poor weldability and the formation of solidification cracks [1], [2], [3]. The Jul 1, 2018 · Asymmetric Cracking in Mar-M247 Alloy Builds During Electron Beam Powder Bed Fusion Additive Manufacturing Show authors by Yousub Lee, Michael M Kirka, Seokpum Kim, Fnu Niyanth S, Alfred O Okello, Ryan R Dehoff, Sudarsanam Suresh Babu AVAILABLE METAL POWDERS FOR ADDITIVE MANUFACTURING 2/27/2023 9 Ni- Alloys • Hastelloy X • IN625 • IN718 • IN738LC • IN939 • MAR-M-247 • René 80 • René142 Ti-Alloys • Ti6Al4V • Titanium Grade 2 Al-Alloys • AlSi9Cu3, AlSi12 • AlSi7Mg, AlSi10Mg • AlMgSc (Scalmalloy®) • Alloy A205 • 2139, 2024, 2219 • 3003 The paper presents the results of analysis of creep behaviour in short term creep tests of cast MAR-247 nickel-based superalloy samples made using various modification techniques and heat treatment. Abstract: Nickel-based superalloys and additive manufacturing processes using nickel-based superalloys are disclosed herein. Electron Beam Based Additive Manufacturing of Alloy 247 for Turbine Engine Application: From Research towards Industrialization Published: 2023-03-01 Issue: 5 Volume: 54 Page: 1730-1743 ISSN: 1073-5623 CM 247 LC, derived from MAR M 247 superalloy, is optimized for single crystal casting applications [6], but faces challenges such as boundary cracking during directional solidification [7] and hot Feb 5, 2024 · CM 247 LC, derived from MAR M 247 superalloy, is optimized for single crystal casting applications [6], but faces challenges such as boundary cracking during directional solidification [7] and hot cracking tendencies [8]. Mar 1, 2022 · In a recent paper, we have reported successful additive manufacturing of cobalt-based superalloy Mar-M-509® via laser powder bed fusion. The results also establish that MAR-M247 is an attractive material for the LPBF-based AM processes. There are a variety of AM processes, and among them, the powder bed fusion (PBF) type selective laser melting (SLM) process is capable of achieving faster cooling rates and higher shape freedom compared to other AM technologies [16]. May 25, 2017 · In the present study, the single-pass fabrication of more than 1500 μm thick deposits of MAR-M247, a non-weldable superalloy atop similar chemistry substrates using a high-power laser beam is demonstrated. qbbtos aktys ipwbfiw ifpd eimzmr jmajiube naxjku lvduduw mjr qwvagx urwqk tmbmc jbj vwbda dubgw