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Journal articles on the topic 'Very low pressure plasma spray'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Zhang, Tao, Gilles Mariaux, Armelle Vardelle, and Chang-Jiu Li. "Numerical Simulation of Plasma Jet Characteristics under Very Low-Pressure Plasma Spray Conditions." Coatings 11, no. 6 (2021): 726. http://dx.doi.org/10.3390/coatings11060726.

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Plasma spray-physical vapor deposition (PS-PVD) is an emerging technology for the deposition of uniform and large area coatings. As the characteristics of plasma jet are difficult to measure in the whole chamber, computational fluid dynamics (CFD) simulations could predict the plasma jet temperature, velocity and pressure fields. However, as PS-PVD is generally operated at pressures below 500 Pa, a question rises about the validity of the CFD predictions that are based on the continuum assumption. This study dealt with CFD simulations for a PS-PVD system operated either with an argon-hydrogen

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2

ZHU, LIN, NANNAN ZHANG, RODOLPHE BOLOT, HANLIN LIAO, and CHRISTIAN CODDET. "THERMAL SHOCK PROPERTIES OF YTTRIA-STABILIZED ZIRCONIA COATINGS DEPOSITED USING LOW-ENERGY VERY LOW PRESSURE PLASMA SPRAYING." Surface Review and Letters 22, no. 05 (2015): 1550061. http://dx.doi.org/10.1142/s0218625x15500614.

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Yttria-stabilized zirconia (YSZ) coatings have been frequently used as a thermal protective layer on the metal or alloy component surfaces. In the present study, ZrO 2-7% Y 2 O 3 thermal barrier coatings (TBCs) were successfully deposited by DC (direct current) plasma spray process under very low pressure conditions (less than 1 mbar) using low-energy plasma guns F4-VB and F100. The experiments were performed to evaluate the thermal shock resistance of different TBC specimens which were heated to 1373 K at a high-temperature cycling furnace and held for 0.5 h, followed by air cooling at room t

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3

Zhang, N., F. Sun, L. Zhu, et al. "Measurement of Specific Enthalpy Under Very Low Pressure Plasma Spray Condition." Journal of Thermal Spray Technology 21, no. 3-4 (2012): 489–95. http://dx.doi.org/10.1007/s11666-012-9738-1.

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4

Smith, Mark F., Aaron C. Hall, James D. Fleetwood, and Philip Meyer. "Very Low Pressure Plasma Spray—A Review of an Emerging Technology in the Thermal Spray Community." Coatings 1, no. 2 (2011): 117–32. http://dx.doi.org/10.3390/coatings1020117.

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5

Wen, Jing, Chen Song, Taikai Liu, et al. "Fabrication of Dense Gadolinia-Doped Ceria Coatings via Very-Low-Pressure Plasma Spray and Plasma Spray–Physical Vapor Deposition Process." Coatings 9, no. 11 (2019): 717. http://dx.doi.org/10.3390/coatings9110717.

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Gadolinia-doped ceria (GDC) is a promising electrolyte material for low-temperature solid oxide fuel cells (LT-SOFCs). Many works used ceramic sintering methods to prepare the GDC electrolyte, which was mature and reliable but presented difficulties in rapidly preparing a large area of GDC electrolyte without cracks. The low-pressure plasma spray (LPPS) process has the potential to solve this problem, but few studies have been conducted to date. In this work, submicron GDC powder was agglomerated by a spray drying method to achieve the proper granularity with D50 about 10 μm, and then two dens

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6

Fan, Xiujuan, Geoffrey Darut, Marie Pierre Planche, Chen Song, Hanlin Liao, and Ghislain Montavon. "Preparation and characterization of aluminum-based coatings deposited by very low-pressure plasma spray." Surface and Coatings Technology 380 (December 2019): 125034. http://dx.doi.org/10.1016/j.surfcoat.2019.125034.

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7

Ivchenko, Dmitrii, Tao Zhang, Gilles Mariaux, Armelle Vardelle, Simon Goutier, and Tatiana E. Itina. "On the Validity of Continuum Computational Fluid Dynamics Approach Under Very Low-Pressure Plasma Spray Conditions." Journal of Thermal Spray Technology 27, no. 1-2 (2017): 3–13. http://dx.doi.org/10.1007/s11666-017-0658-y.

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8

Góral, Marek, Tadeusz Kubaszek, Sławomir Kotowski, Jan Sieniawski, and Stanislaw Dudek. "Influence of Deposition Parameters on Structure of TDCs Deposited by PS-PVD Method." Solid State Phenomena 227 (January 2015): 369–72. http://dx.doi.org/10.4028/www.scientific.net/ssp.227.369.

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The paper presents an advanced technology of Thermal Barrier Coatings (TBCs) deposition called Plasma Spray – Physical Vapor Deposition (PS-PVD). The PS-PVD is a low pressure plasma spray technology to deposit coatings out of vapor phase, which enables obtaining of columnar ceramic coatings. In this paper, the influence of various gas mixtures on properties of deposited coatings has been investigated. The measurement of coating thickness was conducted by a light microscopy method, followed by a statistical analysis. All processes had been conducted at a very low feed rate, which additionally a

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9

Torigoe, Taiji, Hidetaka Oguma, Ikuo Okada, et al. "Fundamental Coating Development Study to Improve the Isothermal Oxidation Resistance and Thermal Cycle Durability of Thermal Barrier Coatings." Materials Science Forum 522-523 (August 2006): 247–54. http://dx.doi.org/10.4028/www.scientific.net/msf.522-523.247.

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Thermal barrier coatings(TBCs) are used in high temperature gas turbines to reduce the surface temperature of cooled metal parts such as turbine blades[1]. TBC consist of a bondcoat (e.g. MCrAlY where M is Co, Ni, CoNi, etc.) and a partially stabilized zirconia ceramic topcoat. Usually, the MCrAlY bondcoat is applied by LPPS (low pressure plasma spray) or HVOF(high velocity oxi-fuel spray). The topcoat is applied by APS (atmospheric plasma splay) or EB-PVD (electron beam-physical vapor deposition). High temperature oxidation properties, thermal barrier properties and durability of TBC are very

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10

Wen, Jing, Chen Song, Taikai Liu, et al. "Correction: Wen et al. Fabrication of Dense Gadolinia-Doped Ceria Coatings via Very-Low-Pressure Plasma Spray and Plasma Spray–Physical Vapor Deposition Process. Coatings 2019, 9, 717." Coatings 10, no. 3 (2020): 292. http://dx.doi.org/10.3390/coatings10030292.

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11

Zhang, Tao, Gilles Mariaux, Armelle Vardelle, and Chang-Jiu Li. "Numerical Analysis of the Interactions between Plasma Jet and Powder Particles in PS-PVD Conditions." Coatings 11, no. 10 (2021): 1154. http://dx.doi.org/10.3390/coatings11101154.

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Plasma spray-physical vapor deposition (PS-PVD) refers to a very low-pressure (~100 Pa) deposition process in which a powder is injected in a high-enthalpy plasma jet, and mostly vaporized and recondensed onto a substrate to form a coating with a specific microstructure (e.g., columnar). A key issue is the selection of the powder particle size that could be evaporated under specific spray conditions. Powder evaporation takes place, first, in the plasma torch between the injection location and nozzle exit and, then, in the deposition chamber from the nozzle exit to the substrate location. This

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12

Mrdak, Mihailo, Časlav Lačnjevac, Marko Rakin, Đorđe Janaćković, and Darko Veljić. "Characterization of vacuum plasma spray VPS - W coating deposited on stainless steel substrates." Zastita materijala 62, no. 2 (2021): 106–12. http://dx.doi.org/10.5937/zasmat2102106m.

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In this paper, studied was the melting of W powder particles in plasma, their behavior at oxidation as well as the mechanism of hardening on the surface of the substrate. Tungsten coating layers were deposited with vacuum plasma spray technology (VPS) on the test specimens of steel Č.4171 (X15Cr13 EN10027). VPS technology has advantages over the APS technology due to decreased oxidation of melted powder particles, by producing a coating with a controlled proportion of micro pores and greater uniformity of the deposited layers. Evaluation of mechanical characteristics of the layers was done by

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13

Vaßen, Robert, Emine Bakan, Caren Gatzen, Seongwong Kim, Daniel Emil Mack, and Olivier Guillon. "Environmental Barrier Coatings Made by Different Thermal Spray Technologies." Coatings 9, no. 12 (2019): 784. http://dx.doi.org/10.3390/coatings9120784.

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Environmental barrier coatings (EBCs) are essential to protect ceramic matrix composites against water vapor recession in typical gas turbine environments. Both oxide and non-oxide-based ceramic matrix composites (CMCs) need such coatings as they show only a limited stability. As the thermal expansion coefficients are quite different between the two CMCs, the suitable EBC materials for both applications are different. In the paper examples of EBCs for both types of CMCs are presented. In case of EBCs for oxide-based CMCs, the limited strength of the CMC leads to damage of the surface if standa

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14

Góral, Marek, and Tadeusz Kubaszek. "The Influence of Process Parameters on Structure of Ceramic Coatings Deposited by PS-PVD Method." Solid State Phenomena 267 (October 2017): 243–47. http://dx.doi.org/10.4028/www.scientific.net/ssp.267.243.

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Thermal Barrier Coatings (TBC) is the most advanced system for protection of turbine blades and vanes against high temperature, and oxidation. They are used in most advanced jet engines. In present article the new Plasma Spray Physical Vapour Deposition Technology was used to obtain yttria stabilized zirconia oxide coating with columnar structure. In research the different process parameters were changed. It was observed that powder feed rate had big influence on coating thickness. The large amount of Ar in plasma gasses combined with high powder feed rate resulted in partial evaporation of ce

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15

Jesmin, Tahmina, Md Habibur Rahman, Goalm Muinuddin, Afroza Begum, Ranjit Ranjan Roy, and M. Moazzam Hossain. "Nephrogenic Diabetes Insipidus is a Rare Complication of Chronic Kidney Disease - A Case Report." Bangladesh Journal of Child Health 37, no. 1 (2013): 41–44. http://dx.doi.org/10.3329/bjch.v37i1.15350.

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Nephrogenic Diabetes Insipidus (NDI) may occur as a complication of chronic kidney disease (CKD). The incidence of NDI is very rare. So recognition of this potential complication is very important. In our country, this rare complication is not yet reported. So, to make awareness among the paediatricians, we report a case of NDI as a rare complication of CKD. A 4-year old boy was admitted in the Department of Paediatric Nephrology, Bangabandhu Sheikh Mujib Medical University (BSMMU) with the complaints of failure to thrive, refusal to feed, nausea and vomiting since 18- months of his age. For t

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16

ASAHI, Naotatsu, and Yoshitaka KOJIMA. "Low pressure plasma spray coating." Journal of the Metal Finishing Society of Japan 37, no. 1 (1986): 2–8. http://dx.doi.org/10.4139/sfj1950.37.2.

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17

Young, Elizabeth J., Eli Mateeva, John J. Moore, Brajendra Mishra, and Michael Loch. "Low pressure plasma spray coatings." Thin Solid Films 377-378 (December 2000): 788–92. http://dx.doi.org/10.1016/s0040-6090(00)01452-8.

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18

KOJIMA, Yoshitaka, Hiroshi FUKUI, and Naotatsu ASAHI. "Application of low-pressure plasma-spray coatings." Journal of the Metal Finishing Society of Japan 39, no. 7 (1988): 382–87. http://dx.doi.org/10.4139/sfj1950.39.382.

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19

Guittienne, Ph, D. Grange, Ch Hollenstein, and M. Gindrat. "Plasma Jet-Substrate Interaction in Low Pressure Plasma Spray-CVD Processes." Journal of Thermal Spray Technology 21, no. 2 (2011): 202–10. http://dx.doi.org/10.1007/s11666-011-9702-5.

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20

Ma, W., W. X. Pan, and C. K. Wu. "Preliminary investigations on low-pressure laminar plasma spray processing." Surface and Coatings Technology 191, no. 2-3 (2005): 166–74. http://dx.doi.org/10.1016/j.surfcoat.2004.02.011.

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21

Chen, Dianying, Aaron Pegler, and Mitch Dorfman. "Environmental barrier coatings using low pressure plasma spray process." Journal of the American Ceramic Society 103, no. 9 (2020): 4840–45. http://dx.doi.org/10.1111/jace.17199.

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22

Takigawa, Hiroshi, Mitsuji Hirata, Masamichi Koga, Michihisa Itoh, and Koichi Takeda. "Applications of hard coating by low-pressure plasma spray." Surface and Coatings Technology 39-40 (December 1989): 127–34. http://dx.doi.org/10.1016/0257-8972(89)90047-9.

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23

Bolot, Rodolphe, Dmitri Sokolov, Didier Klein, and Christian Coddet. "Nozzle Developments for Thermal Spray at Very Low Pressure." Journal of Thermal Spray Technology 15, no. 4 (2006): 827–33. http://dx.doi.org/10.1361/105996306x146992.

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24

Yang, De Ming, and Bo Han Tian. "Microstructure and Mechanical Properties of FeAl Coating Deposited by Low Pressure Plasma Spray." Applied Mechanics and Materials 333-335 (July 2013): 1916–20. http://dx.doi.org/10.4028/www.scientific.net/amm.333-335.1916.

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The FeAl intermetallic compound coatings were deposited by low pressure plasma spray, air plasma spray and high velocity oxy-fuel spray. The influence of three kinds of thermal spraying processes on the microstructure, microhardness, elastic modulus and fracture toughness of coatings was investigated. The results show that the FeAl coating deposited by low pressure plasma spray presents special mechanical properties such as higher microhardness and elastic modulus as well as lower fracture toughness, when compared with those by atmospheric plasma spray or high velocity oxy-fuel spray.

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25

Yuan, Kang, Jing Zhu, Wenjing Dong, et al. "Applying Low-Pressure Plasma Spray (LPPS) for coatings in low-temperature SOFC." International Journal of Hydrogen Energy 42, no. 34 (2017): 22243–49. http://dx.doi.org/10.1016/j.ijhydene.2017.04.215.

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26

Hirota, Norihide, Yuhsaku Sugimoto, and Shigeki Yamamoto. "Recent equipments and the characteristics of low pressure plasma spray." Journal of the Japan Welding Society 59, no. 4 (1990): 269–74. http://dx.doi.org/10.2207/qjjws1943.59.269.

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27

Takeda, K., M. Ito, and S. Takeuchi. "Properties of coatings and applications of low pressure plasma spray." Pure and Applied Chemistry 62, no. 9 (1990): 1773–82. http://dx.doi.org/10.1351/pac199062091773.

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28

Weissman, Suzanne H., and William B. Chambers. "Spectroscopic diagnostics for a low-pressure plasma spray deposition system." Journal of Analytical Atomic Spectrometry 3, no. 6 (1988): 857. http://dx.doi.org/10.1039/ja9880300857.

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29

Smith, Mark F., and Ronald C. Dykhuizen. "Effect of chamber pressure on particle velocities in low pressure plasma spray deposition." Surface and Coatings Technology 34, no. 1 (1988): 25–31. http://dx.doi.org/10.1016/0257-8972(88)90085-0.

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30

SONOYA, Keiji, and Tsukasa WAKABAYASHI. "Spray forming of a titanium alloy by low pressure plasma spraying; Plasma spray coatings of Ti-6Al-4V." Journal of Advanced Science 13, no. 3 (2001): 356–59. http://dx.doi.org/10.2978/jsas.13.356.

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31

Chen, Dianying, Aaron Pegler, Gopal Dwivedi, Daniel De Wet, and Mitchell Dorfman. "Thermal Cycling Behavior of Air Plasma-Sprayed and Low-Pressure Plasma-Sprayed Environmental Barrier Coatings." Coatings 11, no. 7 (2021): 868. http://dx.doi.org/10.3390/coatings11070868.

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Yb2Si2O7/Si environmental barrier coatings (EBCs) were produced by air plasma spray (APS) and low-pressure plasma spray (LPPS) processes. The phase composition, microstructure, and bonding strength of APS and LPPS EBCs were investigated. Thermal cycling tests were performed in air and in steam atmosphere respectively at 1316 °C for both APS and LPPS EBCs. There is no coating failure in air atmosphere for both APS and LPPS EBCs after 900 cycles. In contrast, APS EBCs have an average life of 576 cycles in a steam cycling test in 90% H2O + 10% air at 1316 °C while LPPS EBCs survived 1000 cycles w

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32

Yang, De Ming, and Bo Han Tian. "Microstructure of 316L Stainless Steel Coating Deposited by the Low Pressure Plasma Spray." Applied Mechanics and Materials 644-650 (September 2014): 4888–91. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.4888.

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Original equiaxed 316L stainless steel coatings were successfully deposited by the low pressure plasma spray. For comparison, the coatings of 316L stainless steel with normal lamellar structure were also prepared by the air plasma spray (APS). The microstructures were investigated using optical micrograph (OM). The results show that the microstructures of LPPS 316L stainless steel coatings reveal the fine equiaxed microstructures like the solidified stainless steels,which are significantly different from that of APS coatings with lamellar structures.

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33

Kitaguchi, Saburou, Nobuyuki Shimoda, Tohru Saito, Hiroshi Takigawa, and Masamichi Koga. "The application of low pressure plasma spray to functionally gradient materials(FGM)." Journal of the Japan Society of Powder and Powder Metallurgy 37, no. 7 (1990): 918–21. http://dx.doi.org/10.2497/jjspm.37.918.

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34

Niu, Yaran, Hongyan Wang, Hong Li, Xuebin Zheng, and Chuanxian Ding. "Dense ZrB2–MoSi2 composite coating fabricated by low pressure plasma spray (LPPS)." Ceramics International 39, no. 8 (2013): 9773–77. http://dx.doi.org/10.1016/j.ceramint.2013.05.038.

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35

Bartuli, Cecilia, Fabio Carassiti, and Teodoro Valente. "Interfacial reactions in Al/SiC composites produced by low pressure plasma spray." Advanced Performance Materials 1, no. 3 (1994): 231–42. http://dx.doi.org/10.1007/bf00711205.

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36

Ohmori, A., S. Hirano, and K. KamActa. "Spraying TiN by a Combined laser and low-pressure plasma spray system." Journal of Thermal Spray Technology 2, no. 2 (1993): 137–44. http://dx.doi.org/10.1007/bf02652021.

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37

Herman, Herbert. "Plasma Spray Deposition Processes." MRS Bulletin 13, no. 12 (1988): 60–67. http://dx.doi.org/10.1557/s0883769400063715.

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The concept of plasma is central to many scientific and engineering disciplines—from the design of neon advertisement lights to fusion physics. Plasmas vary from low density, slight states of ionization (outer space) to dense, thermal plasmas (for extractive metallurgy). And plasmas are prominent in a wide range of deposition processes — from nonthermal plasma-activated processes to thermal plasmas, which have features of flames and which can spray-deposit an enormous variety of materials. The latter technique, arc plasma spraying (or simply, plasma spraying) is evolving rapidly as a way to de

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38

Gao, Yang, De Ming Yang, and Jianyi Gao. "Characteristics of a Plasma Torch Designed for Very Low Pressure Plasma Spraying." Journal of Thermal Spray Technology 21, no. 3-4 (2012): 740–44. http://dx.doi.org/10.1007/s11666-011-9730-1.

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39

Zhu, Lin, Nannan Zhang, Rodolphe Bolot, Marie-Pierre Planche, Hanlin Liao, and Christian Coddet. "Very low pressure plasma sprayed yttria-stabilized zirconia coating using a low-energy plasma gun." Applied Physics A 105, no. 4 (2011): 991–96. http://dx.doi.org/10.1007/s00339-011-6529-3.

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40

Zhang, Nan-nan, Dan-yang Lin, Ya-li Li, et al. "In-flight particle characterization and coating formation under low pressure plasma spray condition." Journal of Iron and Steel Research International 24, no. 3 (2017): 306–12. http://dx.doi.org/10.1016/s1006-706x(17)30044-4.

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41

Sun, Cheng Qi, and Lian Tong An. "The Coatings Formation and Characteristic of a Low Pressure Thermal Plasma Torch." Key Engineering Materials 871 (January 2021): 107–11. http://dx.doi.org/10.4028/www.scientific.net/kem.871.107.

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Compared with the atmosphere plasma spraying (APS), low pressure plasma spraying (LPPS) has been widely used due to deposit a specific and unique coating. A new low pressure thermal spraying plasma torch was designed according to the plasma spray characteristic in the low pressure environment. The plasma jet characteristic and the coatings microstructure were analyzed. In this study, Kundsen number has a great effect on the heat transfer of feedstock powder. With the increase of current, the plasma torch efficiency will decrease. A equiaxed microstructure of 316L coatings were deposited.

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42

Jinyuan, Mao, Liu Min, Deng Chunming, Mao Jie, and Zeng Dechang. "A Comparative Study of Spray-dried and Mechanically-mixed ZrB2-MoSi2 Composite Coatings Fabricated by Low Pressure Plasma Spray." Rare Metal Materials and Engineering 45, no. 6 (2016): 1386–90. http://dx.doi.org/10.1016/s1875-5372(16)30118-7.

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43

Góral, Marek, and Tadeusz Kubaszek. "Equipment for Low Pressure Plasma Spraying Processes – A Review." Solid State Phenomena 227 (January 2015): 561–64. http://dx.doi.org/10.4028/www.scientific.net/ssp.227.561.

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The paper presents basic methods of plasma spraying at very low pressure (<2 mbar). Described in the text are conditions which influence microstructure of Thermal Barrier Coatings obtained by these methods. A review and characteristics of the LPPS-TF system applied around the world has been provided.

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44

Łatka, Leszek, Lech Pawłowski, Marcin Winnicki, Pawel Sokołowski, Aleksandra Małachowska, and Stefan Kozerski. "Review of Functionally Graded Thermal Sprayed Coatings." Applied Sciences 10, no. 15 (2020): 5153. http://dx.doi.org/10.3390/app10155153.

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The paper briefly describes major thermal spray techniques used to spray functionally graded coatings such as atmospheric plasma spraying, high velocity oxy-fuel spraying, suspension and solution precursor plasma spraying, and finally low and high pressure cold gas spray method. The examples of combined spray processes as well as some examples of post spray treatment including laser and high temperature treatments or mechanical one, are described. Then, the solid and liquid feedstocks used to spray and their properties are shortly discussed. The reviewed properties of functional coatings inclu

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45

Kim, Ho Seok, Bong Guen Hong, and Se Youn Moon. "Thick tungsten layer coating on ferritic-martensitic steel without interlayer using a DC vacuum plasma spray and a RF low pressure plasma spray method." Thin Solid Films 623 (February 2017): 59–64. http://dx.doi.org/10.1016/j.tsf.2016.12.049.

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46

Lin, Qiu Sheng, Ke Song Zhou, Chun Ming Deng, Chang Guang Deng, Zi Qi Kuang, and Wei Zeng. "Cavitation Erosion Resistance of Ti-Ni Intermetallic Coatings Prepared by Low Pressure Plasma Spray Process." Advanced Materials Research 1058 (November 2014): 265–69. http://dx.doi.org/10.4028/www.scientific.net/amr.1058.265.

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In the current work, low pressure plasma spray process (LPPS) was applied to deposit Ti-Ni intermetallic coatings with Ni-clad Ti powder as feedstock. The microstructure and phase transition of LPPS sprayed Ti-Ni coating were investigated. Cavitation erosion resistance was examined using a standard ultrasonic cavitation test. The coating mainly consisted of TiNi phase with a certain amount of Ti2Ni, Ni3Ti phase and a few Ti phase. A few pores concentrated on the boundaries of the sprayed splats. The TiNi coating exhibited excellent cavitation erosion resistance.

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47

Kubo, Yuya, Satoru Maezono, Koji Ogura, Toru Iwao, Shogo Tobe, and Tsuginori Inaba. "Pre-treatment on metal surface for plasma spray with cathode spots of low pressure arc." Surface and Coatings Technology 200, no. 1-4 (2005): 1168–72. http://dx.doi.org/10.1016/j.surfcoat.2005.02.046.

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48

Choi, Soo-Jin, Jae-Jun Choi, and Jack J. Yoh. "Novel control of plasma expansion direction aimed at very low pressure laser-induced plasma spectroscopy." Optics Express 23, no. 5 (2015): 6336. http://dx.doi.org/10.1364/oe.23.006336.

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49

Stranak, V., A. P. Herrendorf, S. Drache, et al. "Highly ionized physical vapor deposition plasma source working at very low pressure." Applied Physics Letters 100, no. 14 (2012): 141604. http://dx.doi.org/10.1063/1.3699229.

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50

Mauer, Georg, Robert Vaßen, and Detlev Stöver. "Thin and Dense Ceramic Coatings by Plasma Spraying at Very Low Pressure." Journal of Thermal Spray Technology 19, no. 1-2 (2009): 495–501. http://dx.doi.org/10.1007/s11666-009-9416-0.

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