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tungsten-nickel alloys

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Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 1271-1276, May 25–29, 1998,
... and coating have been demonstrated reduction in laborious machining . to add increased performance to spray formed components . In fabricating tungsten components During this investigation, VPS forming was alloying additions of rhenium, nickel or iron have made used to fabricate material for evaluation...
Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 115-121, May 24–28, 2021,
... fracture toughness RF plasma spraying tungsten-nickel alloys Thermal Spray 2021: Proceedings from the International Thermal Spray Conference Copyright © 2021 ASM International® May 24 28, 2021 All rights reserved. F. Azarmi, X. Chen, J. Cizek, C. Cojocaru, B. Jodoin, H. Koivuluoto, Y. Lau, R...
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

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 1461-1467, May 25–29, 1998,
... in spraying material, Powders of stainless steel, nickel alloys, molybdenum, kg/h 1-4 tungsten carbide and cobalt were used as spraying Deposition efficiency 1.0-5 materials. Properties of the powders are given in Table 3. Installation overall dimensions, 0.25-2.5 One of the primary characteristics...
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

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 609-617, May 8–11, 2000,
..., when the same weight loss is measured. For arc-sprayed eutectic tungsten carbide reinforced coatings no influence of the matrix composition can be observed. The linear wear rate of coatings from the wire with pure nickel velum (DURMAT AS 751 s) and with NiCr 80/20 velum (DURMAT AS 761) is identical...
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

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 103-109, May 25–29, 1998,
... of the surface, the corrosion resistant electroplated coatings include nickel, composition and microstructure of the impacting particles, cadmium, and a few alloys such as nickel-chromium. The the velocity, size, shape and mass of the particles, and the autocatalytic coatings such as nickel-phosphorous may...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 1007-1012, May 25–29, 1998,
... their life. In fact, rolls rolls were coated with nickel based alloys and with the coated with type D alloy allowed a duration about 40 % alloy type D containing tungsten carbide, were installed on higher than the cast iron ones. the rolling plant and their behaviour and duration compared with those of cast...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 901-908, September 15–18, 1997,
... carbide coatings had higher hardnesses than the three metallic Results and Discussion alloy coatings. Microstructure and Hardness. SEM micrographs of the The Diamalloy 2001 self fluxing nickel-chromium based cross-sections ofeach candidate Cr-replacement coating are shown coating had the highest hardness...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 373-377, May 25–29, 1998,
... process was used to obtain an adherent powder layer on the material surface. In this paper, tape casting of NiCu particles is described and the different organic additives used to obtain a homogeneous nickel copper film on cast iron and AG3 aluminum alloys are presented. The first results of the treatment...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 1033-1038, May 25–29, 1998,
... of a typical coatings have been evaluated for these applications to replace tungsten carbide coating is shown in Figure 1. The coating is nickel and chromium electroplate. The effect of coatings on a mixture of tungsten carbide particles in a ductile cobalt rich fatigue strength is quantified by a strain limit...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 935-942, September 15–18, 1997,
.... With powder B the presence of tungsten will lower the adiabatic temperature (Tad) and this may hinder the transfer of titanium to the liquid phase, which after solidification contains only about 1% titanium, as can be seen in Table VII, ie it is chiefly nickel. As with powder A, in powder B a titanium rich...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 163-168, May 25–29, 1998,
... resistant than Type 316 stainless steel Arc-Sprayed Coatings. The wires coatings. Improvement in slurry erosion resistance, selected includes austenitic stainless steel Type 31 6 particularly at the impact angle of 90°, was achieved by (stainless steel #1), nickel-based alloy containing fine laser melting...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 427-434, September 15–18, 1997,
... documented. The use of nickel based alloys has reduced the cost of Unique fine microstructure gives superior wear overlays as has additions of carbides. properties for same alloy in many applications The traditional GTAW method with stick Readily automated due to size and control. consumable is being...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 1127-1132, May 25–29, 1998,
... investigates the wear behavior of stellite coatings, based on cobalt or nickel alloys, applied to aluminum titanate pads. The coatings are assessed in terms of friction coefficient, contact temperature, and wear as compared to cermet coated steel discs. friction performance railway braking stellite...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 39-47, October 7–11, 1996,
... used in Coated R.od boilers andturbines for high temperatureerosionprotection. The coatings areoften exposedto combustionproductswith high sulfur contents in these applications. An alternative HP/HVOF tungsten carbide coating with a nickel matrix rather than cobalt (C3) provides improvedperformance...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 199-202, September 15–18, 1997,
... in comparison to conventional alloys, when tested under comparable conditions. corrosion resistance fused coating hardness microstructure nickel-boron-silicon alloys wear resistance Thermal Spray: A United Forum for Scientific and Technological Advances: Copyright © 1997 ASM International®...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 1105-1116, May 8–11, 2000,
... occurred (Figure 13b). Although the microstructures of refractory metals typically show 1 % or less porosity, the theoretical density is 93-96% for rhenium and tungsten. To evaluate the material properties of spray formed refractory alloys, compression testing was conducted 1110 'f * >. treatment...
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...