Relevant bibliographies by topics / Alloy-nozzle interaction

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  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Alloy-nozzle interaction'

Author: Grafiati
Published: 28 June 2021
Last updated: 29 July 2025

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Journal articles on the topic "Alloy-nozzle interaction"

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Lebedeva, Yu E., A. N. Afanasev-Hodikin, G. M. Prokopchenko, A. A. Shavnev та D. I. Serebryakov. "OBTAINING OF EXPERIMENTAL CONSTRUCTIONALLY SIMILAR SAMPLE OF THE NOZZLE ASSEMBLY SECTOR AND CARRYING OUT ITS TESTS AT TEMPERATURE OF 1500 °С". Proceedings of VIAM, № 10 (2020): 51–62. http://dx.doi.org/10.18577/2307-6046-2020-0-10-51-62.

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The interaction of the SiC–SiCw–B4C–AlN system ceramic composite material (CCM) with the EP648 alloy in the process of high-temperature brazing was studied. The smallest erosion activity both in relation to CCM, and to the EP648 alloy, has HMP solder VPr50. An experimental constructionally similar sample of the nozzle assembly sector was made using uncooled nozzle blade prototypes from CCM. Tests of an experimental constructionally similar sample of the nozzle assembly sector at a temperature of 1500 °C were carried out. No traces of material ablation from the surface of the CMC were found.
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Schricker, Klaus, Andreas Baumann, and Jean Pierre Bergmann. "Local Shielding Gas Supply in Remote Laser Beam Welding." Journal of Manufacturing and Materials Processing 5, no. 4 (2021): 139. http://dx.doi.org/10.3390/jmmp5040139.

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The use of shielding gases in laser beam welding is of particular interest for materials interacting with ambient oxygen, e.g., copper, titanium or high-alloy steels. These materials are often processed by remote laser beam welding where short welds (e.g., up to 40 mm seam length) are commonly used. Such setups prevent gas nozzles from being carried along on the optics due to the scanner application and a small area needs to be served locally with inert gas. The article provides systematic investigations into the interaction of laser beam processes and parameters of inert gas supply based on a
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Bogdan-Chudy, Marta. "TRIBOLOGICAL ANALYSES OF A TiCN-Al2O3-COATED CEMENTEDCARBIDE-Ti6Al4V ALLOY CONTACT UNDER VARIABLECOOLING AND LUBRICATION CONDITIONS." Tribologia 309, no. 3 (2024): 39–48. https://doi.org/10.5604/01.3001.0054.9071.

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The paper presents the results of tribological studies on the Ti6Al4V titanium alloy-TiCN-Al2O3-coatedcemented carbide contact. The experiments were conducted using a pin-on-disc tribometer, enabling theanalysis of the tribological pair interaction in a sample-counter-sample system. The tribological investigationsincluded conditions of dry friction, minimal quantity lubrication (MQL), and cooling using a nozzle. Theresults of the studies focused on the coefficient of friction and temperature at the contact area of the tribologicalpair. Additionally, the evolution of the surface layer structure
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Arun, A., S. Santosh, and K. Rajkumar. "Investigations on the interaction of laser parameters for efficient microdrilling of NiTiV smart alloy system." Laser Physics 34, no. 8 (2024): 085101. http://dx.doi.org/10.1088/1555-6611/ad552e.

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Abstract Ni–Ti shape memory alloys (SMAs) are popular in current research due to their usefulness and mechanical properties. At different temperatures, Ni–Ti alloys transition from austenite to martensite. To restore high-temperature memory in nickel-titanium SMAs, vanadium (V) is added as an alloying element. For Ni–Ti-based SMAs, the fiber laser is one of the best machining procedures for bio-implants, actuators, and aircraft engine parts. Using a Box–Behnken design to experiment with laser power, nozzle distance, cutting speed, and frequency, this study examines fiber laser micro-drilled Ni
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Qin, W. Y., X. Y. Chen, Z. L. Jiang, Z. D. Lin, and H. M. Chen. "Study on the Magnetic Properties and Domain Structure of NdFeNbZrB Nanocomposite Permanent Magnets." Materials Science Forum 539-543 (March 2007): 3303–8. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.3303.

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A new kind of nanocomposite rare-earth magnets of Nd2Fe14B/ α-Fe were prepared by melt-spinning method. Effects of alloying element and processing parameter on the microstructure and magnetic properties of nanocomposite materials have been investigated. Zr is effective to enhance coercivity of alloys because of a refinement of grains, so that in alloy of Zr content with 1.0 at% (Zr1.0) has the smallest grain size of 17 nm and therefore causes the highest intrinsic coercivity . Addition of Zr can also enhance the ability of amorphous-forming. The combination of adding of Zr and using a smaller
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Diegel, Christian, Thorsten Mattulat, Klaus Schricker, et al. "Interaction between Local Shielding Gas Supply and Laser Spot Size on Spatter Formation in Laser Beam Welding of AISI 304." Applied Sciences 13, no. 18 (2023): 10507. http://dx.doi.org/10.3390/app131810507.

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Background. Spatter formation at melt pool swellings at the keyhole rear wall is a major issue for laser deep penetration welding at speeds beyond 8 m/min. A gas nozzle directed towards the keyhole, that supplies shielding gas locally, is advantageous in reducing spatter formation due to its simple utilization. However, the relationship between local gas flow, laser spot size, and the resulting effects on spatter formation at high welding speeds up to 16 m/min are not yet fully understood. Methods. The high-alloy steel AISI 304 (1.4301/X5CrNi18-10) was welded with laser spot sizes of 300 μm an
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Flögel, Karsten, and Fabian Faltin. "Waterjet Turning of Titanium Alloys." Advanced Materials Research 769 (September 2013): 77–84. http://dx.doi.org/10.4028/www.scientific.net/amr.769.77.

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Titanium alloys offer outstanding properties with regard to its strength to density ratio and a good corrosive resistance in air atmospheres. Substantial advancements could be made by using titanium alloys, in particular for applications in the aerospace industry and medical engineering. However, no product innovation is possible without an appropriate machining technology. For example, low thermal conductivity and hot hardness lead to limitations regarding the applicable machining parameters, particularly for continuous cutting operations. Turning of high performance materials sets high deman
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Dubovyk, Viktor, Olexandr Puzyrov, Yuriy Nevdakha, and Viktor Pukalov. "Experimental Studies of a Two-jet Method of Protection of Molten Metal During Surfacing in CO2." Central Ukrainian Scientific Bulletin. Technical Sciences 1, no. 5(36) (2022): 154–60. http://dx.doi.org/10.32515/2664-262x.2022.5(36).1.154-160.

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In the industry of restoration of details and production of designs from low-carbon and low-alloy steels the technology of welding by an electrode of continuous section which melts in the environment of carbon dioxide has become widespread. Welding and surfacing in shielding gases ranks first in terms of the amount of weld metal and manufactured products among other mechanized arc welding methods. Today, the need for wires for welding in shielding gases is about 200 thousand tons. Today's requirements indicate that welding technologies in shielding gases will occupy a leading position for the
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Кухтин, Юрий Петрович, Петр Петрович Варварук та Вячеслав Михайлович Меркулов. "ЗНИЖЕННЯ РІВНЯ ДИНАМІЧНИХ НАПРУГ У РОБОЧИХ ЛОПАТКАХ ТУРБІНИ ЗА РАХУНОК ВИБОРУ ГЕОМЕТРІЇ СОПЛОВОГО АПАРАТУ". Aerospace technic and technology, № 7 (10 листопада 2018): 40–47. http://dx.doi.org/10.32620/aktt.2018.7.06.

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Interacting between the next rows of the turbine creates a circumferential flow non-uniformity, which leads to origination of resonance dynamic stresses on rotor bladings with frequencies z·fn, where fn - a rotor rotation frequency, z - number of stator vanes. At projection and development of the engine is not always possible detuning from a resonance as the spectrum of eigenfrequencies of rotor blades can be wide enough in relation to a band of working rotor speed. Reduction of exterior exciting forces can be one of ways of a reduction of dynamic stresses in rotor blades. For attenuation of t
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Nag, Akash, Amit Rai Dixit, Jana Petrů, Petra Váňová, Kateřina Konečná, and Sergej Hloch. "MAXIMIZATION OF WEAR RATES THROUGH EFFECTIVE CONFIGURATION OF STANDOFF DISTANCE AND HYDRAULIC PARAMETERS IN ULTRASONIC PULSATING WATERJET." Facta Universitatis, Series: Mechanical Engineering, July 31, 2024, 165. http://dx.doi.org/10.22190/fume220523045n.

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A pulsating waterjet is a technological modification of a conventional waterjet that utilizes ultrasonic vibrations to generate a modulated jet, resulting in repetitive fatigue loading of the material. The erosion efficiency of the ultrasonic pulsating waterjet is majorly determined by the hydraulic factors and its interaction with standoff distance. However, the dependency of the wear rates on different hydraulic factors and formulation of an implicit prediction model for determining effective standoff distance is still not present to date. Therefore, in this study, the combined dependency of
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Dissertations / Theses on the topic "Alloy-nozzle interaction"

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Klepárníková, Eliška. "Interakce poloroztavené slitiny s pevným materiálem při vzájemném pohybu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-442481.

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This thesis is deals with the suitability of Ag-Sn-Sb alloy for extrusion and selection of suitable materiál for the extruder nozzle. The theoretical part of this thesis deals with the general possibilities of 3D metal printing, especially the metal printing in the semi-solid phase and with it‘s problems. The experimental part describes the development of semi-solid alloys testing device and the research od the alloy and its interactions with solid materials in mutual motion. Analyzis of mechanical and chemical influence between alloy and solid material were performed by visual investigation a
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Conference papers on the topic "Alloy-nozzle interaction"

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Murugan, Muthuvel, Fei Xu, Yuri Bazilevs, et al. "Computational Investigation and Design Study of Adaptive Axial-Flow Turbomachinery Rotor Blade." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12147.

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Gas turbine blades of conventional rotorcraft engines are generally optimized to operate at nearly a fixed speed with fixed blade geometries for the design operating condition. When the operating condition of the engine changes, then the flow in the compressor or turbine may need to be guided to more optimum direction. Articulating the pitch angle of turbine blades in coordination with adjustable nozzle vanes can improve performance by maintaining flow incidence angles within the optimum range at all operating conditions of a gas turbine engine. Maintaining flow incidence angles within the opt
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Rudland, David, Frederick W. Brust, D. J. Shim, and G. Wilkowski. "PWSCC Crack Growth Mitigation With Inlay." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57954.

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Primary water stress corrosion cracking (PWSCC) is an issue of concern in the dissimilar metal welds (DMW) connecting vessel nozzles and stainless steel piping in PWR nuclear power plants. PWSCC occurs due to the synergistic interaction of several factors including tensile weld residual stresses, a corrosion sensitive weld metal (usually Alloy 82/182 weld metal) and a corrosive environment. Several mechanical mitigation methods to control PWSCC have been developed in order to alter the weld residual stresses on the nozzle. These methods consist of applying a weld overlay repair (WOR), using a
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Nishimura, Satoshi, Izumi Kinshita, Ken-Ichiro Sugiyama, Ryohei Okada, and Nobuyuki Ueda. "Thermal Interaction Between Molten Metal and Sodium: Examination of the Fragmentation Mechanism of Molten Jet." In 10th International Conference on Nuclear Engineering. ASMEDC, 2002. http://dx.doi.org/10.1115/icone10-22552.

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In order to clarify the mechanism of thermal fragmentation of a molten jet dropped into a sodium pool at instantaneous contact interface temperatures below its freezing point, a basic experiment was carried out using molten copper and sodium. Copper was melted in a crucible with an electrical heater and was dropped through a short nozzle into a sodium pool, in the form of a jet column. Thermal fragmentation originating inside the molten copper jet with a solid crust was clearly observed in all runs. It is verified that a small quantity of sodium, which is locally entrained inside the molten je
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Narayanan, K. S., S. K. Das, A. Jasmin Sudha, et al. "Assessment of Thermal and Hydrodynamic Fragmentation in Molten Fuel Coolant Interaction With Simulant System." In 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/icone14-89404.

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In the Safety analysis of Fast Breeder Reactor, assessment of Molten Fuel Coolant Interaction (MFCI) assumes importance for two aspects, namely the characterization of the debris and severity of pressure pulses generation. An attempt has been made to investigate the debris generation characteristics with molten Woods Metal (Alloy of Bi 50% Pb 25% Sn 12.5% & Cd 12.5% & melting point of 346 K) - Water simulant system. Liquid Woods metal and liquid Uranium dioxide physical properties (Density, Surface tension & Kinematic viscosity) are similar. Experimental studies were conducted for
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Qian, F., B. Farouk, R. Mutharasan, and N. Macken. "Heat Transfer From a Liquid Bath due to an Impinging Gas Jet: Effect of Liquid Prandtl Number." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0070.

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Abstract There have been extensive heat transfer studies of impinging gas jets on solid surfaces, but few investigations of gas jet/liquid bath interaction. Here we report on the effects of liquid Prandtl number on air-jet induced transport in a bath. Two different liquids having widely different Prandtl numbers (silicone oil and a molten metal alloy, Amalloy-203®) were used. Both numerical calculations and experiments were carried out to characterize the jet induced flow and heat transfer in the liquid. The mixing and thermal behavior of the heated bath were determined as functions of the air
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Calkins, F. T., J. H. Mabe, and R. T. Ruggeri. "Overview of Boeing’s Shape Memory Alloy Based Morphing Aerostructures." In ASME 2008 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2008. http://dx.doi.org/10.1115/smasis2008-648.

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The Boeing Company has a goal of creating aircraft that are capable of continuous optimization for all flight conditions. Toward this goal we have developed morphing-capable, adaptive structures based on Shape Memory Alloy (SMA) technology that enable component and system level optimization at multiple flight conditions. The SAMPSON Smart Inlet program showed that fully integrated SMA wire bundles could provide a fighter aircraft with a Variable Engine Inlet capability. The Reconfigurable Rotor Blade program demonstrated the ability of highly robust, controlled 55-Nitinol tube actuators to twi
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Ren, Yan, Jinju Sun, Rongye Zheng, Peng Song, and Ke Wang. "Investigation of Impeller Strength for a Cryogenic Liquid Turbine." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-23125.

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A single stage cryogenic liquid turbine is designed for a large-scale internal compression air-separation unit to replace the Joule-Thompson valve and recover energy from the liquefied air during throttling process. It includes a 3-dimensional impeller, variable geometry nozzle, and asymmetrical volute. Strength evaluation of such a liquid turbine is both essential and complicated, which involves a proper evaluation of stress acting on the components and mechanical property of the chosen materials at low temperature. For metals under low temperatures, brittle fracture of the metal may occur pr
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Penso, Jorge A., Radwan Hazime, Stephen Nungesser, and Avraham Benatar. "Comparison of Creep-Fatigue Fitness for Service Assessment Methods for Ferritic-Austenitic Dissimilar Welds." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57280.

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The metallurgical characteristics of the damage observed in both service and laboratory test samples indicate that creep rupture is the dominant failure mode for Dissimilar Metal Welds (DMW) in some high temperature service conditions. However, it has also been observed that temperature cycling contributes significantly to damage and can cause failure even when primary stress levels are relatively low. Therefore, a creep-fatigue assessment procedure is required as part of a remaining life calculation. API 579-1/ASME FFS-1 2007 Fitness-For-Service standard includes a compendium of consensus met
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Iwasawa, Yuzuru, Yutaka Abe, Akiko Kaneko, et al. "Effect of Solidification on Molten Material Jet Behavior in Coolant." In 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-30036.

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For the safety design of a Fast Breeder Reactor (FBR), if a Core Disruptive Accident (CDA) occurred hypothetically, it is required to suppress the rapid energy release due to a prompt criticality. Even if the rapid energy release does not occur, there is a possibility that a large amount of fuel melts. Therefore it is important to achieve Post Accident Heat Removal (PAHR). In order to achieve PAHR, it is strongly required that the molten material which is released from a core region gets cool and solidifies in the sodium coolant in a reactor vessel by breaking up. It is considered that the mol
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