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detonation gun spraying

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Proceedings Papers

ITSC 2002, Thermal Spray 2002: Proceedings from the International Thermal Spray Conference, 847-849, March 4–6, 2002,
... oxide detonation gun spraying iron-aluminum binary alloys microhardness microstructure X-ray diffractometry Thermal Spray 2002: Proceedings from the Copyright © 2002 Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH® International Thermal Spray Conference All rights reserved 04 March...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 729-734, October 7–11, 1996,
...Abstract Abstract Hardmetal-like coatings on the base of titanium carbide as a hard phase and nickel as a metal binder were prepared from agglomerated and sintered powders by plasma spray, detonation gun spray and high-velocity oxygen-fuel spray processes. The powders used in the spray...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 909-915, September 15–18, 1997,
...Abstract Abstract Agglomerated and sintered TiC-Ni based powders were sprayed by detonation gun spray (DGS) and high-velocity oxy-fuel (HVOF) spray processes. Influence of the binder content (20 and 27 vol.-%) and some alloying elements, such as Mo, Co and N on the coating properties were...
Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 122-130, May 24–28, 2021,
...Abstract Abstract Three different coatings were deposited using the Detonation Gun Spraying (DGS) technology from steel powders alone, and steel powers mixed with Fe3C and SiC particles, respectively. The microstructural characteristics of these coatings were examined and the hardness of each...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 1149-1154, May 25–29, 1998,
...Abstract Abstract Oxide-bonded silicon nitride (OBSN) powders have been developed to address thermal spray problems associated with high temperatures. This paper examines how such powders perform when applied via detonation gun (DGS) and atmospheric plasma spraying (APS) with axial powder...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 111-116, May 25–29, 1998,
... the crystalline-to-amorphous transition by lowering the solute content in Fe-Cr solid solution phase. Keywords : microstructure, wear-resistance, Fe-Cr-B alloy, amorphization, detonation gun composition detonation gun spraying energy dispersive spectroscopy friction coefficient iron-chromium-boron...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 585-593, October 7–11, 1996,
... of the gas mixture leads to a detonation numerous parameters such as type of sprayed material, effect and formation of a high pressure ultrasonic wave, gas mixture composition, firing frequency, and which leads propagation of the hot gas stream and geometry of the detonation gun. accelerates the powder...
Proceedings Papers

ITSC 2002, Thermal Spray 2002: Proceedings from the International Thermal Spray Conference, 1020-1023, March 4–6, 2002,
... the following: D-gun production of Surface Ad- vanced Technology Company, oxygen pressure ~ 8,5 of defects are presented on the Fig. 2, a, b. Longitudi- MPa, propane - butane pressure ~ 1,5 MPa, nitrogen nal and transverse cross-sections of Al2O3/TiO2 coat- ing, obtained by detonation spraying were made after...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 129-133, October 7–11, 1996,
... for HVOF. NfSC Pittsbwg, PA May 1991 believed that a tighter powder mnge would increase DE values butincrease process costs. (4) Niemi, K Lugscheider, E. Wear Characteristics of Oxide coatings deposited byplasma, high power plasma Microh~ spraying and Detonation Gun Spraying. NfSC, Houston 1995. Many...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 763-767, September 15–18, 1997,
...Abstract Abstract The role of surface roughness in coating adhesion mechanism is studying for detonation spraying. Roughness was produced by conventional grit blasting, D-gun blasting and was formed as a result of spraying of high-adhesive thin layer of detonation coating. Cermet and alloy...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 309-316, May 8–11, 2000,
... resistant coatings obtained utilizing continuous detonation spray applications especially under conditions wherein operating (CDS) and detonation gun spraying (DCS) exhibited higher temperatures are likely to be higher than SOO^C . The hardness and higher abrasion wear resistance as compared performance...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 457-460, May 25–29, 1998,
... with allowance for pressure variation on the boundary of the pulsed source. The calculation of gas-dynamic fields of velocities and pressures is carried out, the volumetric density of potential and kinetic energies and its concentration on the surface under treatment are defined. detonation gun spraying...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 1475-1483, May 25–29, 1998,
... by the detonation gun «Ob» were established and samples were produced. Experimental data on detonation coating properties are presented to prove the theoretical results. detonation gun detonation spraying flow process modeling Thermal Spray: Meeting the Challenges of the 21st Century: Copyright © 1998...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 1485-1488, May 25–29, 1998,
... significantly exceeding those for self-sustaining Chapman-Jouguet's detonation, conventionally used for detonation spraying. This makes it possible to design a micro-gun and, as a consequence, the equipment for internal surface coating. detonation spraying overdriven detonation Thermal Spray: Meeting...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 59-63, September 15–18, 1997,
... high wear resistance is particularly important. The Linde Detonation Gun, CD-Gun'), has until recent times been the predominant system for applying these hard faced coatings. However, the advent of a number of new HVOF systems approximately 5 years ago, allowed Gas Turbine Repair and Overhaul bases...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 89-96, October 7–11, 1996,
... of process temperature and particle velocity in different thermal spray processes. FS-tlame spraying. ARC-arc spraying. VPS-vacuum plasma spraying. APS-atmospheric plasma spraying. DGS-detonation gun spraying. HVOF-high velosity oxy- fuel spraying Fig.5c Microstructure of an alloyed agglomerated...
Proceedings Papers

ITSC 2002, Thermal Spray 2002: Proceedings from the International Thermal Spray Conference, 727-732, March 4–6, 2002,
..., ings and similar to that of DGS coatings. Czech Republic. 5 Coating properties and applications 4.2 Detonation gun spraying TiC-based powders are characterised by large proc- Detonation gun spraying was intensively employed ess windows in the spray processes and very high when development...
Proceedings Papers

ITSC 2002, Thermal Spray 2002: Proceedings from the International Thermal Spray Conference, 529-533, March 4–6, 2002,
... layers of superalloys, copper, and steel with the high frequency pulse detonation spray gun are shown in this paper. The advantages of the layers produced in this way are compared with those produced with conventional or cold spray processes. The result is interesting novel materials and surface coating...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 751-755, May 25–29, 1998,
... and plasma spraying is mainly used for composition 18% Chromium 2,8% Carbon and Iron as oxides and carbides with or without addition of metal balance. powders. HVOF- and detonation gun spraying have been The diameter ofthe wire used was 2,0 mm. The Gun Typ developed for materials showing undesirable phase LD...
Proceedings Papers

ITSC 2002, Thermal Spray 2002: Proceedings from the International Thermal Spray Conference, 253-257, March 4–6, 2002,
.... 71 (1995), pp. 53/9. [9] Li, C. J. and Ohmori, A.: The lamellar structure of a detonation gun sprayed Al2O3 coating. Surf. Co- at. Technol. 82 (1996), pp. 254/58. Copyright © 2002 Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH. All rights reserved. 2002 Verlag für Schweißen und...