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tungsten carbide-chromium-carbide-nickel powder

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Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 708-715, May 24–28, 2021,
... of these components, an appreciable degree of surface material degradation may occur. In this study, nickel-chromium-aluminum-yttrium (NiCrAlY) was chosen as a metal matrix material for a coating-based heating system. Pure ceramic powders, namely, alumina and titania, and a cermet powder, tungsten carbide-cobalt (WC...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 259-262, May 25–29, 1998,
... are about 550°C and particle tungsten carbide based materials and nickel-chromium in velocities about 305 mls. A number of studies(2,3,4,5,6.7.8) the case of the chromium carbide based materials. The tungsten carbide/cobalt coatings are useful in air to a have used iron chromite as a substitute erodent...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 1255-1258, May 25–29, 1998,
... Several different bond coats were tried. The bond coats or epoxy matrices. The wear resistant coatings were that worked well were nickel electroplate and electroless plasma sprayed chromium oxide, aluminum oxide, plating, plasma nickel, and plasma deposition of nylon-11, tungsten carbide-cobalt...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 609-617, May 8–11, 2000,
... carbide filler have to be applied. All nickel based coatings with chromium addition show an improved corrosion resistance compared to HVOF-sprayed WC/Co/Cr 86/10/4. For coatings from wires with NiCr 80/20 velum no effect of severe sulphurous corrosion in the DIN 50018 test is observed. HVCW-spraying...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 901-908, September 15–18, 1997,
.... Powder morphology was examined using the Scanning Electron Microscope (SEM) and is shown in Figures 2A through E. As shown in Figure 2A and 2B, the Diamalloy 2001 and 3001 particles are spheroidal and gas atomized. Diamalloy 3006 powder, Figure 2C, shows a fine chromium carbide/nickel chromium powder...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 1117-1125, May 8–11, 2000,
... Spray Fusion is a brazing process. It can be defined as the powder alloys based on nickel-boron-silicon (Ni/B/Si), with application of a self-fusing alloy by a flame spray process, the addition of chromium (Cr) and tungsten carbide (WC) followed by the subsequent melting and fusing of the alloy to have...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 39-47, October 7–11, 1996,
... Figure 6 0-1 N/A C3 Tungsten Carbide 2-4 N/A C4 Chromium Carbide Figure 7 4-7 PI Alumina-Titania ~-2 5-7 P2 Chromium Oxide A 1 Stainless Steel 0-1 A2 Iron-Chromium Alloy 2-4 3-5 41 Figure4 Figure 5 C2 Self Fluxing Alloy Coating 200X C3 Tungsten CarbideCoating 200X Figure6 Figure 7 PI Alumina-Titania...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 561-566, May 8–11, 2000,
... Abstract A new low-cost chromium carbide-nickel chrome powder has been developed. Potential applications for these powders include hard-chrome replacement, boiler tubes and turbine engine components. The erosive and abrasive wear properties of the deposited coatings have been found comparable...
Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 722-731, May 24–28, 2021,
... 35]. Tungsten carbide-chromium carbide-nickel (WC-CrC-Ni) resistance and reducing material loss. coatings are characterized by low wear rates with high oxidation and corrosion resistance; additionally, it can be used Introduction at elevated temperatures [36-39]. However, the behaviour of WC-CrC-Ni...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 243-248, May 25–29, 1998,
.... 243 Cobalt and Nickel Chrome / Chrome Carbide shot prior to coating or plating. HVOF coated on seal surfaces and bearing bores in place of tungsten carbide 17% cobalt was applied as a both chrome and nickel plating. Additional nominal 0.5"x 0.5" patch on one side of the repairs have been instituted...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 199-202, September 15–18, 1997,
... of these elements. high amounts. Overcoming these problems was one of the This leaves more of the alloy's chromium in the dissolved state, where it can provide protection against corrosion. In targets of this powder/alloy development project. Besides the alloys with lower Mo or without Mo addition, a significant...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 1095-1104, May 8–11, 2000,
... Abstract Tungsten Carbide (WC) thermal spray coatings have had increased acceptance in commercial aircraft applications driven by the desire to replace chromium electroplate due to environmental and economic considerations [1]. In order to confidently replace chromium electroplate by WC thermal...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 89-96, October 7–11, 1996,
... wear and corrosion resistance in combination with high temperature stability are required. This system can partially substitute the commercially introduced systems but has also the potential to explore new applications. alloying chromium carbide-nickel chromium corrosion resistance spray...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 471-478, May 8–11, 2000,
... elemental loss of chromium, carbon, agglomerated and sintered tungsten carbide - 17wt% cobalt (A- boron and silicon in self-fluxing alloys, carbide cermets, and 17). Table 1 summarizes the main characteristic of these corrosion resistant alloys during the spray process (1). Hybrid powders including...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 515-522, May 8–11, 2000,
... that is predominately Ni (Cr) with a X-ray diffraction spectra of the two powders are shown in section of carbide attached to the edge. Fig. 9. Peaks matching the characteristic lines of titanium carbide cubic phase and f e e . nickel with chromium in solid The microstructure of powder B (Fig. 8a) appears more solution...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 537-542, May 8–11, 2000,
... Technology, Chemnitz University of Technology [7,8] Table 1: HVOF spraying parameters 538 Table 2 shows a list of the applied composite powders gadget is shown in fig 4. The wear test parameters are shown supplied from the PMRI in Minsk. Cobalt, nickel-chromium in table 4. and iron based matrices...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 429-434, May 8–11, 2000,
... diffuse to the carbide phase, but most of it remained in the r -! ^1,0 matrix. In the metallic matrix, chromium and nickel rich « >] :-i0.8 areas can be distinguished. The role of molybdenum is to 70 -0.6 improve the adherence of carbides/matrix interface and also : ' - ^ 0 . 4 -D to improve...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 175-180, May 25–29, 1998,
...-12%Co coatings where no plastic deformation and abrasive mark was observed. nickel-chromium-silicon-boron alloys plasma spray coating tungsten carbide powder wear resistance Thermal Spray: Meeting the Challenges of the 21st Century: Copyright © 1998 ASM International® Proceedings...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 231-236, May 25–29, 1998,
.... chromium carbide cobalt alloys erosion resistance high velocity oxy-fuel coating nickel alloys thermal sprayed coatings tungsten carbide Thermal Spray: Meeting the Challenges of the 21st Century: Copyright © 1998 ASM International® Proceedings of the 15th International Thermal Spray Conference All...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 97-106, September 15–18, 1997,
... on the erodent particle size, to the erosion impinging angle to some extent and to the corrosion resistance of the cermet matrix. chromium carbide high-velocity oxyfuel coating microstructure slurry erosion resistance slurry erosion test tungsten carbide cobalt Thermal Spray: A United Forum...