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dgs gun

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ITSC 2019, Thermal Spray 2019: Proceedings from the International Thermal Spray Conference, 886-892, May 26–29, 2019,
... Abstract This study compares the microstructure of Al 2 O 3 coatings produced by detonation gun spraying (DGS) and laser stereolithography (SLA). The SLA samples mostly consisted of alumina and voids, while the DGS-deposited alumina contained additional features such as splats, pores, cracks...
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ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 1149-1154, May 25–29, 1998,
... 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 injection. All...
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ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 909-915, September 15–18, 1997,
... 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 investigated...
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ITSC 2018, Thermal Spray 2018: Proceedings from the International Thermal Spray Conference, 521-527, May 7–10, 2018,
... the D-gun spraying. It was established that the coating produced with the DGS method had sublayer morphology of alternate flattened and partially melted grains with wide range of Al content from 39 up to 63 at.%. Partial melting of the individual powder particles brought about the appearance...
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ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 122-130, May 24–28, 2021,
... 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 type...
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ITSC 2003, Thermal Spray 2003: Proceedings from the International Thermal Spray Conference, 681-685, May 5–8, 2003,
... surface area were evaluated. The experiments for deposition of coatings by high velocity spraying processes (HVS), detonation gun (DG) spraying and High Velocity Oxy-Fuel (HVOF) spraying were carried out. Comparison abrasive erosion wear tests of sprayed coatings were performed. composite coatings...
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ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 729-734, October 7–11, 1996,
... 20-45 APS(DGS) 20-63 Powder Characteristics. The powders showed good flowability and their introduction from the powder feeders Plasma spray experiments were performed with a DC to the combustion or plasma flame was problem-free. In plasma torch type (PT A-3000S with F4 gun/Sulzer Metco, each spray...
Proceedings Papers

ITSC 2002, Thermal Spray 2002: Proceedings from the International Thermal Spray Conference, 847-849, March 4–6, 2002,
.... It is observed that with increasing amounts of fuel gas and decreasing detonation frequency, the proportion of FeAl phases decreases and variations in microhardness throughout the coating become irregular. Paper includes a German-language abstract. detonation gun spraying firing frequency iron-aluminum...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 97-106, October 7–11, 1996,
... of these powders the wear resistance was nearly equal for the DGS and HVOF coatings. Other powders show significant differences with respect to their processabilities in these spray processes. APS coatings from all powders, obtained with an Ar/H2 plasma showed inferior microstructures and significant lower wear...
Proceedings Papers

ITSC 2006, Thermal Spray 2006: Proceedings from the International Thermal Spray Conference, 1289-1294, May 15–18, 2006,
... or substantially soften it whereupon it impacts on the surface to be coated and the droplets flow into thin lamellar splats. The predominant thermal spray processes include flame spray, electric arc wire spray, plasma spray (PS), high velocity oxyfuel (HVOF), detonation gun (DG), and cold spray. The major...
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ITSC1999, Thermal Spray 1999: Proceedings from the United Thermal Spray Conference, 128-133, March 17–19, 1999,
... maRgeschneidert werden. Introduction TiC-based coatings sprayed by different processes, such as detonation gun spraying (DGS), high velocity oxy-fuel spraying (HVOF), atmospheric plasma spraying (APS) and vacuum plasma spraying (VPS), using agglomerated and sintered powders have been actively developed over...
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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...
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ITSC 2008, Thermal Spray 2008: Proceedings from the International Thermal Spray Conference, 147-154, June 2–4, 2008,
... Abstract The paper is devoted to gaseous detonation spraying and presents the state of current knowledge, as well as the following research and development needs: gaseous detonation as spraying heat source; operation cycle of detonation guns and its possible versions; operating frequency...
Proceedings Papers

ITSC 2002, Thermal Spray 2002: Proceedings from the International Thermal Spray Conference, 727-732, March 4–6, 2002,
... Phasengleichgewichte und der metallurgischen Reaktionen in der Pulvermetallurgie. Der Einfluss der Legierungselemente Molybdän und Stickstoff auf die Mikrostruktur von TiC-Ni(Co)-haltigen Spritzpulvern und -Schichten wird beschrieben. Diese Pulver können durch die Verfahren HVOF, DGS und APS mit vergleichbaren...
Proceedings Papers

ITSC 2017, Thermal Spray 2017: Proceedings from the International Thermal Spray Conference, 805-808, June 7–9, 2017,
... The substrate samples are made from 300M steel which is machined into 20mm×10mm×5mm (type I, for morphology), 60mm×60mm×5mm(type II, for corrosion test), 25.4mm×7.7mm(type III, for bonding test). WC10Co4Cr powder ( DG-WC10Co4Cr,10 m 45 m , Agglomerated & Sintered, Chengdu Daguang Ltd., China) was bought...
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ITSC 2004, Thermal Spray 2004: Proceedings from the International Thermal Spray Conference, 36-40, May 10–12, 2004,
... the estimated repartition by thermal spraying techniques. The followings introduce the thermal spray equipment which is produced by China and see Table.1 as reference also. Flame Spray 30% DGS 2% Plasma 10% HVOF 6% Wire Arc 20% Spray & Fuse 30% PTA 2% Figure.2. Estimated repartition by Thermal spraying...
Proceedings Papers

ITSC 2013, Thermal Spray 2013: Proceedings from the International Thermal Spray Conference, 707-711, May 13–15, 2013,
... than the optimal spray angle of 90° (Ref 4 The negative influence of a spray angle reduction was already determined elsewhere (Ref 3, 6). On the other hand the limited dynamic and kinematic of the robot play an important role with regard to a constant gun velocity. Time consuming reorientations...
Proceedings Papers

ITSC 2005, Thermal Spray 2005: Proceedings from the International Thermal Spray Conference, 1337-1344, May 2–4, 2005,
... system of equations were used [1]: d dl 3 = 8 dg R ( g pg ); p pp (1) T t = a 2T r 2 p 2 + r T , r = ; (2) T p p r = (T g T ); p p Tp (rp )t=0 = Tp0 Tp rp )r=0 = 0 , (3) (4) L p pm d dt = 2 T 2 r p 1...
Proceedings Papers

ITSC 2009, Thermal Spray 2009: Proceedings from the International Thermal Spray Conference, 492-498, May 4–7, 2009,
... movement path of the spray gun. In this paper, a novel approach for computing coating distribution on arbitrarily complex freeform surfaces is presented. In contrast to approaches that implement symmetric deposition models, the presented concept is based on a rotationally asymmetric model, making...
Proceedings Papers

ITSC 2007, Thermal Spray 2007: Proceedings from the International Thermal Spray Conference, 489-494, May 14–16, 2007,
... -alumina occured in the coating due to defined process parameters. The comparison of APS, high-power plasma spray (HPPS) and detonation gun spray (DGS) showed minor differences in phase composition [6]. HPPS was the process which resulted in coatings with the highest -phase content and DGS lead...