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Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 1201-1205, May 8–11, 2000,
... of this work was to demonstrate that a surface profilometer can be used to understand the deposition efficiency and mechanical properties of thermal spray coatings. Key words: Roughness, Mechanical Properties, DE. coating roughness deposition efficiency elastic modulus hardness thermal spray coating...
Proceedings Papers

ITSC 2004, Thermal Spray 2004: Proceedings from the International Thermal Spray Conference, 259-261, May 10–12, 2004,
... Abstract This article discusses the relation between hardness of substrate and WC-Co coating destruction by HVOF. This research uses the indentation test of a hard ball to study WC-Co coating destruction by HVOF thermal spray system. By adjusting the hardness of substrate, the article...
Proceedings Papers

ITSC 2013, Thermal Spray 2013: Proceedings from the International Thermal Spray Conference, 660-665, May 13–15, 2013,
... Abstract In this study, finite element analysis and experimental observation are used to evaluate the effect of substrate hardness and spray angle on the deposition of cold-sprayed Ti particles. It is found, in the case of Cu substrates, that both the particle and substrate deform during impact...
Proceedings Papers

ITSC 2017, Thermal Spray 2017: Proceedings from the International Thermal Spray Conference, 235-238, June 7–9, 2017,
... of wire materials, low carbon steel (0.07 wt.%C) and high carbon steel (0.80 wt.%C) were deposited by twin wire arc spray process using two kinds of process gas (i.e., compressed air and nitrogen) in order to elucidate effects of carbon contents of ferrous coating and process gas type on the hardness...
Proceedings Papers

ITSC 2019, Thermal Spray 2019: Proceedings from the International Thermal Spray Conference, 867-871, May 26–29, 2019,
... Abstract This study assesses the effect of different alloying elements on the microstructure, oxygen content, hardness, and corrosion resistance of stainless steel coatings produced by atmospheric plasma spraying. SUS836L stainless steel powder with Si, Mn, and B additions served as the base...
Proceedings Papers

ITSC2012, Thermal Spray 2012: Proceedings from the International Thermal Spray Conference, 515-520, May 21–24, 2012,
... diffraction (XRD), scanning electron microscopy (SEM), and Vickers micro-hardness testing were conducted on the cold-sprayed coatings. Image analysis was used to determine the WC content in the coatings. XRD profiles showed that no decarburization or oxidation of the WC reinforcing particles occurred in any...
Proceedings Papers

ITSC2016, Thermal Spray 2016: Proceedings from the International Thermal Spray Conference, 310-315, May 10–12, 2016,
... Abstract This study evaluates the possibility of depositing hard B 4 C and TiC reinforcing particles in a Ni matrix using low-pressure cold spraying. It also investigates the effect of particle velocity and kinetic energy on deposition efficiency, microstructure, hardness, and wear resistance...
Proceedings Papers

ITSC 2001, Thermal Spray 2001: Proceedings from the International Thermal Spray Conference, 699-704, May 28–30, 2001,
... Abstract Hardness and microstructure of Cr 3 C 2 -NiCr coating formed by vacuum plasma spraying process (VPS coating) were investigated in compare with that formed by High Velocity Oxygen Fuel Spraying process (HVOF coating). The results are as follows. (1) The hardness of VPS coatings...
Proceedings Papers

ITSC 2022, Thermal Spray 2022: Proceedings from the International Thermal Spray Conference, 534-542, May 4–6, 2022,
.... The electrical resistivity values were higher for all the HEA coatings compared to flame-sprayed Ni-20Cr and NiCrAlY coatings and AlCoCrFeNi HEA thin film, which may be attributed to the characteristics of HEAs, such as severe lattice distortion and solute segregations. The combined interaction of high hardness...
Proceedings Papers

ITSC 2008, Thermal Spray 2008: Proceedings from the International Thermal Spray Conference, 732-737, June 2–4, 2008,
... Abstract Deposition of a dense coating with solid particles by cold spraying requires sufficient deformation of impacting particles and previously deposited underlying particles. The cermet particles and subsequent coating with a high hardness are difficult to deform upon impact. To increase...
Proceedings Papers

ITSC 2011, Thermal Spray 2011: Proceedings from the International Thermal Spray Conference, 553-556, September 27–29, 2011,
... Abstract The effect of the hardness in the substrate surface blasted by a grit blasting process on the adhesive strength of Zn-Al sprayed coatings is investigated to find the adhesive strength is improved by work hardening of the substrate surface. The adhesive strength between a substrate...
Proceedings Papers

ITSC 2011, Thermal Spray 2011: Proceedings from the International Thermal Spray Conference, 1098-1103, September 27–29, 2011,
... as the function of annealing temperature. The effect of annealing temperature on the contribution of different strengthening mechanisms to coating hardness was discussed. alloy powder annealing ceramic powder cold spraying cubic boron nitride hardness microstructure nanocomposites nickel-chromium...
Proceedings Papers

ITSC 2009, Thermal Spray 2009: Proceedings from the International Thermal Spray Conference, 963-967, May 4–7, 2009,
... Abstract This study shows how the impact resistance of WC-Cr 3 C 2 -Ni coatings can be improved by as much as an order of magnitude through the addition of an undercoat with suitable hardness. It also investigates the effect of powder modifications and substrate hardness. Undercoats...
Proceedings Papers

ITSC 2009, Thermal Spray 2009: Proceedings from the International Thermal Spray Conference, 986-991, May 4–7, 2009,
... ASM International® All rights reserved. www.asminternational.org Influence of Powder Structure on the Micro-hardness and Fracture Toughness of Cold-sprayed WC-12Co Deposit P.-H. Gao, G.-J. Yang,* C.-J. Li, C.-X. Li State Key Laboratory for Mechanical Behavior of Materials, Xi an Jiaotong University...
Proceedings Papers

ITSC 2009, Thermal Spray 2009: Proceedings from the International Thermal Spray Conference, 1036-1040, May 4–7, 2009,
... (soft) substrates and that the limiting factor for endurable Hertz pressure is the fatigue strength of the coating. endurable Hertz pressure high velocity oxyfuel spraying rolling contact fatigue surface hardness tungsten carbide-cobalt coating Thermal Spray 2009: Proceedings...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 439-444, October 7–11, 1996,
... Abstract The gas tunnel type plasma spraying enables to produce high quality ceramic coatings. Moreover a high hardness coating was obtained at a short spraying distance in the case of alumina coating. A high hardness zirconia (ZrO 2 ) coating could also be obtained at an atmospheric pressure...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 493-499, October 7–11, 1996,
... of this investigation is to study the effect of type of abrasive, table speed, and depth of cut on the surface finish and hardness of WC-Co. Thermally sprayed WC-12 wt % Co and WC-17 wt % Co produced using the high velocity oxygen fuel (HVOF) process, have been ground using silicon carbide and diamond wheels under...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 217-224, May 25–29, 1998,
... a needle shape with finer distributions. Possible thermal history during each coating process is discussed. Based on microstructural observation, the hardness, wear resistance, and corrosion behaviors are reported. As expected, the alloy properties are directly related to their constituents...
Proceedings Papers

ITSC2014, Thermal Spray 2014: Proceedings from the International Thermal Spray Conference, 866-873, May 21–23, 2014,
... deformation increases with increasing gas temperature and substrate hardness. accelerating gas temperature cold spraying nanopowders stainless steel substrate hardness tungsten carbide-cobalt International Thermal Spray Conference & Exposition (ITSC 2014) May 21 23, 2014, Barcelona, Spain...
Proceedings Papers

ITSC 2010, Thermal Spray 2010: Proceedings from the International Thermal Spray Conference, 816-820, May 3–5, 2010,
... characteristics of coatings, which can be observed by improved hardness. In this paper three parameters, substrate temperature, substrate roughness and spray distance are selected and experiments are designed using Taguchi methods. Each parameter has three levels and a total of nine experiments are performed...