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1

White, Susan M., and Douglas Burleigh. "Infrared thermographic techniques for arc-jet testing." Journal of Spacecraft and Rockets 30, no. 4 (1993): 477–83. http://dx.doi.org/10.2514/3.25553.

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2

Savino, Raffaele, Mario De Stefano Fumo, Diego Paterna, and Di Maso Andrea. "Arc-Jet Testing of Ultra-High-Temperature-Ceramics." Open Aerospace Engineering Journal 3, no. 1 (2010): 20–31. http://dx.doi.org/10.2174/1874146001003010020.

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The article deals with arc-jet experiments on different Ultra High Temperature Ceramics models in high enthalpy hypersonic non equilibrium flow. Typical geometries for nose tip or wing leading edges of interest for hypersonic vehicles, as rounded wedge, hemisphere and cone are considered. Temperature measurements have been performed using pyrometers, an IR thermocamera and thermocouples. Spectral emissivity has been evaluated by suitable experimental techniques. The details of the experimental set-up, the tests procedure and the measurements are discussed in the text. The UHTC materials have b
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3

Savino, Raffaele, Mario De Stefano Fumo, Diego Paterna, Andrea Di Maso, and Frederic Monteverde. "Arc-jet testing of ultra-high-temperature-ceramics." Aerospace Science and Technology 14, no. 3 (2010): 178–87. http://dx.doi.org/10.1016/j.ast.2009.12.004.

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4

Choe, Mun Seok, Kwon Se Kim, and Doo Seuk Choi. "Study on Flame Propagation Characteristics According to New Ignition- Source in a Constant Volume Combustion Chamber." Defect and Diffusion Forum 391 (February 2019): 142–51. http://dx.doi.org/10.4028/www.scientific.net/ddf.391.142.

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This study has the purpose to consider a new ignition source in order to increase the inflammable limit of a gasoline engine at its lean region. To analyze flame propagation characteristics, a CVCC (constant volume combustion chamber) was produced, and three types of devices – conventional type, arc type, and jet type – were manufactured to conduct combustion testing. Experimental variables were the air/fuel ratio from 1.0 to 1.8 and charging pressure from 2 bar to 4 bar. The result of flame propagation analysis showed that the spread for jet type was faster than that of conventional type by 1
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5

Yang, Sungmo, Ilsung Choi, and Gisu Park. "Development of combined hypersonic test facility for aerothermodynamic testing." PLOS ONE 19, no. 2 (2024): e0298113. http://dx.doi.org/10.1371/journal.pone.0298113.

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In this study, a combined test facility was developed using a combination of an arc-jet tunnel and a shock tunnel for aerothermodynamic testing. The performance validation of individual parts was performed, and results were obtained from the combined test. A small-scale Huels-type arc-jet tunnel was used to preheat the test model by aerodynamic heating before conducting the experiments in the shock tunnel to duplicate the hot surfaces of flight objects encountered during hypersonic flight. The high-enthalpy flow in the arc-jet tunnel provided a heat flux of 1.99±0.03 MW/m2 for a flat-faced mod
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6

Mazaheri, Alireza, Walter E. Bruce, Nathaniel J. Mesick, and Kenneth Sutton. "Methodology for Flight-Relevant Arc-Jet Testing of Flexible Thermal Protection Systems." Journal of Spacecraft and Rockets 51, no. 3 (2014): 789–800. http://dx.doi.org/10.2514/1.a32721.

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7

Cinquegrana, Davide, Raffaele Votta, Carlo Purpura, and Eduardo Trifoni. "Continuum breakdown and surface catalysis effects in NASA arc jet testing at SCIROCCO." Aerospace Science and Technology 88 (May 2019): 258–72. http://dx.doi.org/10.1016/j.ast.2019.03.026.

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8

Savino, Raffaele, Mario De Stefano Fumo, Laura Silvestroni, and Diletta Sciti. "Arc-jet testing on HfB2 and HfC-based ultra-high temperature ceramic materials." Journal of the European Ceramic Society 28, no. 9 (2008): 1899–907. http://dx.doi.org/10.1016/j.jeurceramsoc.2007.11.021.

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9

Dickstein, Dylan, Arian Ghazari, Warren Nadvornick, et al. "Mass loss, sublimation, and surface damage of lanthanum hexaboride in an arc jet plasma." Journal of Applied Physics 133, no. 5 (2023): 055101. http://dx.doi.org/10.1063/5.0130131.

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An experimental and simulation-based approach is used to determine the effects of an arc jet plasma on the refractory ceramic material lanthanum hexaboride ([Formula: see text]). Experiments are performed at the High Energy Flux Test facilitY (HEFTY) located at UCLA. An SG-100 plasma jet generates an argon plasma into a vacuum chamber and imparts a maximum heat flux of 19.5 MW/[Formula: see text] onto [Formula: see text] disks. Heat flux results are calibrated using a combination of thermocouple data as well as multiphysics numerical simulations in COMSOL, which aim to replicate the testing en
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10

Hei, Li Fu, Fan Xiu Lu, Cheng Ming Li, Wei Zhong Tang, Guang Chao Chen, and Jian Hua Song. "A Review on Mechanical Properties of Freestanding Diamond Films." Advanced Materials Research 490-495 (March 2012): 3059–64. http://dx.doi.org/10.4028/www.scientific.net/amr.490-495.3059.

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As an emerging brand new type of engineering material for a variety of important high technology applications, the deep understanding of the mechanical behavior of freestanding diamond films has become an emergent task of vital importance. Of the many deposition methods dc arc plasma jet has been regarded as the most promising technique for large area high quality and low cost production of freestanding diamond films. In the present paper, recent progress in mechanical properties of freestanding diamond films mainly by high power dc arc plasma jet with rotating arc root and gas recycling is re
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11

Gulli, S., and L. Maddalena. "Arc-Jet Testing of a Variable-Transpiration-Cooled and Uncoated Carbon–Carbon Nose Cone." Journal of Spacecraft and Rockets 56, no. 3 (2019): 780–88. http://dx.doi.org/10.2514/1.a34176.

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12

Han, Jie Cai, Ping Hu, Xing Hong Zhang, and Song He Meng. "Characteristics and Mechanisms of Dynamic Oxidation for ZrB2-SiC Based UHTC." Key Engineering Materials 368-372 (February 2008): 1722–26. http://dx.doi.org/10.4028/www.scientific.net/kem.368-372.1722.

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The present study focuses on the dynamic oxidation resistance of five representative ZrB2-SiC based ultra-high temperature ceramics (UHTCs): ZrB2-SiC, ZrB2-SiC-Si3N4, ZrB2-SiC-TiB2, ZrB2-SiCHfB2 and ZrB2-SiC-ZrC using oxyacetylene torch and arc jet testing. The effects of second phase incorporation (Si3N4, TiB2, HfB2, ZrC) on oxidation resistance were compared and analyzed. The mechanism of oxidation based on experimental results and thermodynamic calculations were explored. Some approaches to improvement of oxidation resistance and future directions of UHTC are also presented.
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13

Di Maso, A., R. Savino, M. De Stefano Fumo, L. Silvestroni, and D. Sciti. "Arc-Jet Testing on HfB - TaSi Models: Effect of the Geometry on the Aerothermal Behaviour." Open Aerospace Engineering Journal 3, no. 1 (2010): 10–19. http://dx.doi.org/10.2174/1874146001003010010.

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Arc-jet experiments in high enthalpy hypersonic (Mach 3) non equilibrium flow were carried out on a HfB2 composite with addition of 15 vol% TaSi2, at temperatures exceeding 2000 K. The aerothermal behaviour was tested considering models having two different geometries, i.e. hemispheric and cone-shaped. The surface temperature and emissivity of the material were evaluated during the tests. Numerical computations of the nozzle flow were carried out in order to identify the flow conditions around the model and to analyze the details of thermal heating. The chemicalphysical modifications were anal
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14

Ritt, P. J., P. A. Williams, S. C. Splinter, and J. H. Perepezko. "Arc jet testing and evaluation of Mo–Si–B coated Mo and SiC–ZrB2 ceramics." Journal of the European Ceramic Society 34, no. 15 (2014): 3521–33. http://dx.doi.org/10.1016/j.jeurceramsoc.2014.06.011.

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15

Savino, Raffaele, Mario De Stefano Fumo, Diego Paterna, and Di Maso Andrea. "Arc-Jet Testing of Ultra-High-Temperature-Ceramics~!2009-10-05~!2009-12-03~!2010-04-20~!" Open Aerospace Engineering Journal 3, no. 2 (2010): 20–31. http://dx.doi.org/10.2174/1874146001003020020.

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16

Purwar, Anupam, Venkateswaran Thiruvenkatam, and Bikramjit Basu. "Experimental and computational analysis of thermo-oxidative-structural stability of ZrB2-SiC-Ti during arc-jet testing." Journal of the American Ceramic Society 100, no. 10 (2017): 4860–73. http://dx.doi.org/10.1111/jace.15001.

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17

Gaganpreet Singh Sandhu, Hazoor S. Sidhu, and Sukhpal Singh Chatha. "Erosion Behaviour of Chromium Based Hardfacing Alloy." Asian Review of Mechanical Engineering 2, no. 2 (2013): 72–74. http://dx.doi.org/10.51983/arme-2013.2.2.2333.

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In the present study commercial available chromium based hardfacing alloy (CPET 071) was deposited on SS304 steel by manual metal arc welding process to investigate the erosion behaviour. Solid particle erosion study was carried out using air jet erosion tester rig. Erosion testing was done at room and 400°C temperature at different impingement angles i.e. 30° and 90°. Optical microscopy technique is used to analyse the microstructure. Microstructure of the deposited hardfacing alloy has been formed to be free from defect such as crakes and porosity, with typical dendritic structure. Erosion r
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18

Zhang, Xing-Hong, Ping Hu, and Jie-Cai Han. "Structure evolution of ZrB2–SiC during the oxidation in air." Journal of Materials Research 23, no. 7 (2008): 1961–72. http://dx.doi.org/10.1557/jmr.2008.0251.

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The structure evolution and oxidation behavior of ZrB2–SiC composites in air from room temperature to ultrahigh temperature were investigated using furnace testing, arc jet testing, and thermal gravimetric analysis (TGA). The oxide structure changed with the increasing temperature. SiC content has no apparent influence on the evolution of structure during the oxidation of ZrB2–SiC below 1600 °C. However, the evolution of structure for ZrB2–SiC above 1800 °C was significantly affected by the SiC content. The formation of the SiC depleted layer in the ZrB2–SiC system not only depends on the surr
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19

Darian, Leonid A., Vladimir P. Polistchook, and Alexey V. Shurupov. "Testing of models of explosion protection system for highvoltage oil-filled electrical equipment." Journal of Energy - Energija 63, no. 1-4 (2022): 156–65. http://dx.doi.org/10.37798/2014631-4174.

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Explosions of high voltage oil-filled electrical equipment (OFEE) lead to a significant material damage. These explosions occur under action of an arc discharge (AD) which arises after internal short circuit. Modernization of OFEE design and protection systems is the possible way to achieve significant reduction of potential explosion and substantial reduction of material losses. Examination of perspective explosion-proof OFEE designs and new explosion protection systems demands the effective test methods. In present work results of development and application of an arcless source of pulse pre
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20

Maso, A. Di, R. Savino, M. De Stefano Fumo, L. Silvestroni, and D. Sciti. "Arc-Jet Testing on HfB2 - TaSi2 Models: Effect of the Geometry on the Aerothermal Behaviour~!2009-09-21~!2009-11-06~!2010-04-20~!" Open Aerospace Engineering Journal 3, no. 2 (2010): 10–19. http://dx.doi.org/10.2174/1874146001003020010.

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21

Chamkaur Jindal and Hazoor Singh Sidhu. "Erosion Resistance Behavior of SS304 Steel Hardfaced By SMAW With Addition of Molybdenum." Asian Review of Mechanical Engineering 2, no. 2 (2013): 61–65. http://dx.doi.org/10.51983/arme-2013.2.2.2343.

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In this work the degradation of the steel SS304 used in pulverized coal burner nozzle is studied under the solid particle erosion conditions. Steel is hardfaced by tubular hardfacing electrodes of high chromium type and further Molybdenum content is added in the hardfacing electrode powder. The hardfacing is done by shielded metal arc welding process. Erosion test is conducted using Air Jet Erosion Testing Rig by varying the working temperatures (room temperature and 400°C) and impact angle of 30° and 90°. It is observed that by increasing the molybdenum content the degradation by erosion redu
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22

Soares, CJ, JC Pereira, SJB Souza, MS Menezes, and SR Armstrong. "The Effect of Prophylaxis Method on Microtensile Bond Strength of Indirect Restorations to Dentin." Operative Dentistry 37, no. 6 (2012): 602–9. http://dx.doi.org/10.2341/11-459-l.

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SUMMARY The aim of this study was to evaluate the effect of different materials used for dentin prophylaxis on the microtensile bond strengths (μTBS) of adhesively cemented indirect composite restorations. Sixty bovine incisors had the buccal surface ground with wet #600-grit silicon carbide abrasive paper to obtain a flat exposed superficial dentin and were submitted to different prophylaxis protocols, as follows: 3% hydrogen peroxide (HydP); 0.12% chlorhexidine (Chlo); sodium bicarbonate jet (SodB); 50-μm aluminum oxide air abrasion (AirA); pumice paste (PumP), and control group–water spray
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23

Devoino, O. G., A. V. Gorbunov, A. S. Volod’ko, O. K. Yatskevich, and V. A. Gorbunova. "Characterization of opportunity for upgrading of the system based on arc plasma torch for thermal spaying of ceramic materials, by means of use of fuel vortex intensifier. Part II. Thermal engineering estimation and experimental testing." Proceedings of the National Academy of Sciences of Belarus, Physical-Technical Series 67, no. 1 (2022): 7–16. http://dx.doi.org/10.29235/1561-8358-2022-67-1-7-16.

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The main trends in the field of improving thermal spraying processes for ceramic coatings formation is, along with enhancement of coating properties, also the reducing the energy consumption for the process. In this regard, one of the important directions for improving these technologies with plasma is the development of their new versions, using the principle of adding inexpensive fuel-oxidizing mixtures based on hydrocarbons (natural gas, liquefied gas) with air. This type of plasma-fuel type of spraying will be promising for application at the present time, first of all, in order to obtain
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24

Savino, Raffaele. "Editorial: Ultra High Temperature Ceramics for Aerospace Applications." Open Aerospace Engineering Journal 3, no. 1 (2010): 9. http://dx.doi.org/10.2174/1874146001003010009.

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Improved interest in ultra-high-temperature ceramics (UHTCs) is being animating the scientific community. This emerging attention is driven by the demand of developing re-usable hot structures as thermal protection systems of aerospace vehicles, able to re-enter in planetary atmospheres at relatively high speed (order of 8-11 Km/s). In contrast to traditional blunt capsules or Shuttle-like vehicles, characterised by poor gliding capabilities and complex thermal protection systems, the future use of UHTCs opens new horizons for the development of spaceplanes with slender fuselage noses and shar
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25

Savino, Raffaele, Stefano Mungiguerra, and Martino Giuseppe D. Di. "Testing ultra-high-temperature ceramics for thermal protection and rocket applications." November 19, 2018. https://doi.org/10.1080/17436753.2018.1509175.

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This work deals with experimental characterisation of ultra-high-temperature ceramic materials for aerospace applications. Current research activities are focused on development and testing of new-class ultra-high-temperature ceramic matrix composites for near-zero ablation Thermal Protection Systems and near-zero erosion rocket nozzles. To investigate materials behaviour in atmospheric re-entry conditions, relevant tests are carried out on samples with different shapes with a supersonic arc-jet facility, with specific total enthalpies higher than 20 MJ kg−1 and temperatures over 2000 K
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26

Iyinomen, D. O. "Plasma preheating technology for replicating planetary re-entry surface temperatures." Aeronautical Journal, August 19, 2021, 1–19. http://dx.doi.org/10.1017/aer.2021.72.

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Abstract Arc-jet facilities have been the norm for ablation experiments used to calibrate computational models to date. However, the arc jet has a few major limitations and challenges, including non-uniform enthalpy distribution, non-equilibrium state, change of surface quality during testing and the extent of oxidation, to name but a few. A novel plasma technique for preheating axisymmetric heatshield samples in hypersonic impulse facilities is presented herein. The major aim of this innovative work is to help reduce the large variations of ablation rate predictions, space vehicle materials a
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27

Hu, Ya-Hao, Su-Rong Sun, Xian Meng, He-Ji Huang, and Hai-Xing Wang. "Experimental study on the life and performance of an improved DC arc plasma torch." Journal of Physics D: Applied Physics, February 2, 2024. http://dx.doi.org/10.1088/1361-6463/ad256b.

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Abstract A novel DC arc plasma torch is designed in this paper in order to reduce the electrode erosion, and a series of experiments are carried out to investigate how to improve the lifetime and performance of the nitrogen DC arc plasma torch. The analysis of voltage characteristics of the plasma torch indicates that the interelectrode insert can increase the average arc voltage and the sudden expansion structure can reduce the voltage fluctuation, which is helpful to improve the working stability to some extent. The spectrum characteristics at the plasma torch outlet and the cold flow simula
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28

Brune, Andrew J., and Chelsey C. Morrow. "Uncertainty Analysis of Slug Calorimeters in the NASA HyMETS Arc-Jet Facility." Journal of Thermophysics and Heat Transfer, February 23, 2024, 1–18. http://dx.doi.org/10.2514/1.t6883.

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The objective of this work is to perform an uncertainty analysis of the deduced stagnation heat flux environment on a slug calorimeter in the Hypersonic Materials Environmental Test System arc-jet facility located at NASA Langley Research Center. Analytical solutions are developed for boundary-value problems on the slug sensor accounting for nonideal effects, including spatial variation in the slug heat flux, multidimensional thermal conduction, and backface losses, which depart from the state-of-the-art method derived from the American Society of Testing and Materials. The analytical solution
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29

Zhu, Xiaojun, Jianqiang Tu, and Rongguo Zhang. "Sophisticated testing technology for thermal protection of local structures in interference zone." Physics of Fluids 37, no. 3 (2025). https://doi.org/10.1063/5.0250463.

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In order to simulate the complex aerodynamic heating environment in the local interference zone of an aircraft, this paper establishes a sophisticated experimental simulation technology for the interference zone based on the arc heating flat plate free jet test technology. A water-cooled interference device is installed locally on the flat plate model, leaving a certain gap between the interference device and the flat plate model, therefore a strip-shaped local interference flow thermal environment is established. Experimental research has found that a diagonal shock wave is formed near the in
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30

Sciti, D., A. Vinci, L. Zoli, et al. "Elevated temperature performance: Arc-Jet testing of carbon fiber reinforced ZrB₂ bars up to 2200 °C for strength retention assessment." Journal of Advanced Ceramics, December 2024. https://doi.org/10.26599/jac.2024.9221022.

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31

Kirschner, M., T. Wobst, B. Rittmeister, and Ch Mundt. "Erosion Testing of Thermal Barrier Coatings in a High Enthalpy Wind Tunnel." Journal of Engineering for Gas Turbines and Power 137, no. 3 (2014). http://dx.doi.org/10.1115/1.4028469.

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One of the major problems facing the users of aircraft engines and stationary gas turbines in dusty and dirty environments is erosion, causing engine performance deterioration. Thermal barrier coatings (TBCs) are often applied on metal engine components as combustor heat shields or tiles as well as turbine blades allowing enhanced operating temperatures and resulting in increased thermal efficiency of the turbine and also reduced fuel consumption and gaseous emission. Erosive attack by airborne dust or fly ash, coarse particles causes coating degradation resulting in lifting issues of engine c
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32

Savino, Raffaele, Luigi Criscuolo, Martino Giuseppe Daniele Di, and Stefano Mungiguerra. "Aero-thermo-chemical characterization of ultra-high-temperature ceramics for aerospace applications." June 1, 2018. https://doi.org/10.1016/j.jeurceramsoc.2017.12.043.

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Ultra-High-Temperature Ceramic (UHTC) materials, because of their high temperature resistance, are suitable as thermal protection systems for re-entry vehicles or components for space propulsion. Massive UHTC materials are characterized by poor thermal shock resistance, which may be overcome using C or SiC fibers in a UHTC matrix (UHTCMC). The University of Naples “Federico II” has a proven experience in the field of material characterization in high-enthalpy environments. A hypersonic arc-jet facility allows performing tests in simulated atmospheric re-entry conditions. The A
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33

Mungiguerra, Stefano, Martino Giuseppe D. Di, Anselmo Cecere, et al. "Ultra-High-Temperature Testing of Sintered ZrB2-based Ceramic Composites in Atmospheric Re-entry Environment." September 7, 2020. https://doi.org/10.1016/j.ijheatmasstransfer.2020.119910.

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An experimental campaign has been carried out to characterize a new class of Ultra-High-Temperature Ceramic Matrix Composites for near-zero ablation Thermal Protection Systems. Small-sized specimens, with ZrB<sub>2</sub>-based matrix and different carbon fiber architectures, were exposed to a simulated air supersonic flow generated by an arc-jet wind tunnel, achieving specific total enthalpies up to 20 MJ/kg and cold wall fully catalytic heat fluxes over 5 MW/m<sup>2</sup>, in an aero-thermo-chemical environment representative of atmospheric re-entry. Ablation rates were estimated by means of
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34

Yuan, Wuhan, Yu Shen, Y. C. Francis Thio, et al. "Development of a triple-path, low-inductance, low-voltage spark gap switch." Review of Scientific Instruments 96, no. 6 (2025). https://doi.org/10.1063/5.0257985.

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We report on the development and testing of a triple-path, low-inductance, low-voltage, high-current, field-distortion spark gap switch as one of the key technologies in developing the next-generation coaxial plasma gun for plasma jet driven magneto-inertial fusion. The gas chamber of the spark gap switch has been designed to harbor three electrically isolated, parallel electrical paths to achieve low inductance, while synchronization improvement is achieved through the use of radiation from the arc discharges when any of the gaps break down. Paschen’s breakdown curve of the triple-path spark
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35

Balushok, Konstantin, та Sergey Chigileychik. "Ремонт деталей авіаційних двигунів із жароміцних нікелевих сплавів із застосуванням адитивних плазмових технологій". Aerospace Technic and Technology, № 5 (25 жовтня 2024). http://dx.doi.org/10.32620/aktt.2024.5.04.

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In order to improve the maintainability of aircraft engine parts, the article examined the use of additive technologies in repairs. The article establishes that the use of additive technologies by the method of plasma surfacing in the repair of aircraft engine parts, such as turbine blades, sealing discs, NA parts, is very promising and will significantly increase the percentage of parts and assemblies restored after operation, which have a significant area of damage. Turbine blades are made of nickel heat-resistant alloys with a polycrystalline structure (ЖС6К-ВИ, ЖС6У-ВИ), or from alloys wit
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