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cold spray

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Published: 01 June 2016
Fig. 5.32 LECO analysis of oxygen and nitrogen at different cold spray gas temperatures in titanium and Ti-64. Source: Ref 5.78 More
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Published: 01 June 2016
Fig. 8.5 Bonding state of aluminum tube and fin coated by cold spray after the brazing process. Source: Ref 8.20 More
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Published: 01 June 2016
Fig. 8.6 Leak test of cold-spray-assisted fabrication of aluminum heat exchanger. (a) Before and (b) after the 500 h corrosion test. Source: Ref 8.20 More
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Published: 01 June 2016
Fig. 9.6 Hydraulic pump pad after the high-pressure cold spray repair has been machined. The transmission has been assembled and is in the engine test stand. Courtesy of the Applied Research Laboratory, The Pennsylvania State University More
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Published: 01 June 2016
Fig. 9.10 High-pressure cold-spray-repaired and machined fastener hole in a forward equipment bay panel. Courtesy of South Dakota School of Mines and Technology More
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Published: 01 June 2016
Fig. 9.19 High-pressure cold-spray-repaired false axle showing both as-deposited and machined state. Courtesy of South Dakota School of Mines and Technology More
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Published: 01 June 2016
Fig. 11.2 Magnesium repair by cold spray in the UH-60 helicopter. (a and b) Corroded transmission housing that was repaired by using (c) a cold-sprayed commercial-purity aluminum/Al-6061 coating. (d) Dented gear box component before and (e) after cold spray coating. (f) Macro More
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Published: 01 June 2016
Fig. 11.5 (Part 1) (a–h) Low-pressure cold spray repair, using a portable unit. (a) Al-7075-T73 helicopter mast with (b) corrosion pits in the lower lip of the snap ring groove. (c) Cross section of the pitted surface. (d) Pitted surface ground and rebuilt to print using the cold-sprayed More
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Published: 01 June 2016
Fig. 11.5 (Part 2) (a–h) Low-pressure cold spray repair, using a portable unit. (a) Al-7075-T73 helicopter mast with (b) corrosion pits in the lower lip of the snap ring groove. (c) Cross section of the pitted surface. (d) Pitted surface ground and rebuilt to print using the cold-sprayed More
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Published: 01 June 2016
Fig. 11.5 (Part 2) (a–h) Low-pressure cold spray repair, using a portable unit. (a) Al-7075-T73 helicopter mast with (b) corrosion pits in the lower lip of the snap ring groove. (c) Cross section of the pitted surface. (d) Pitted surface ground and rebuilt to print using the cold-sprayed More
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Published: 01 June 2016
Fig. 11.9 Composite coatings using the low-pressure cold spray system for repair. (a) Al-SiC coating on steel. (b) Al-Al 2 O 3 coating on cast iron. Source: Ref 11.12 , 11.13 More
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Published: 01 June 2016
Fig. 11.14 Cold spray repair applications, from prototype to the field. Source: Ref 11.2 More
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Published: 01 June 2016
Fig. 11.19 Inconel 738LC cold spray coatings for gas turbine repair. (a) Nitrogen vs. helium in the as-sprayed condition. (b) Nitrogen coatings before and after heat treatment, revealing (c) decrease in porosity, (d) increase in strength and ductility, (e) increase in bond adhesion strength More
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Published: 01 June 2016
Fig. 1.1 The high-pressure cold spray process uses a high-pressure gas heater and a high-pressure powder feeder to inject the spray powder upstream of the nozzle throat. This provides the very high particle velocities that enable this process to deposit a wide range of metals and some other More
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Published: 01 June 2016
Fig. 1.4 The low-pressure cold spray process uses a low-pressure powder feeder to inject the spray powder downstream of the nozzle throat, directly into the supersonic diverging section of the nozzle. The system is lighter and less expensive but more limited in materials. More
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Published: 01 June 2016
Fig. 1.11 Temperature-versus-velocity plot comparing cold spray with traditional thermal spray process technologies. Source: Ref 1.5 More
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Published: 01 June 2016
Fig. 1.12 Early cold spray repair of a Sandia satellite housing. Out-of-tolerance surface was built up with cold spray and then remachined to meet specifications. This is believed to be the first cold-sprayed part to be launched into space. Courtesy of Sandia National Laboratories More
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Published: 01 June 2016
Fig. 4.9 Portable high-pressure cold spray system. Courtesy of ASB Industries, Inc. More
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Published: 01 June 2016
Fig. 4.11 Gas supply systems for cold spray processing. Helium from the tube trailer on the left; nitrogen from the liquid nitrogen pump system on the right. Courtesy of ASB Industries, Inc. More
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Published: 01 June 2022
Figure 6 Cold spray system [ 2 ] More