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high-pressure cold spray systems

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Published: 01 June 2016
Fig. 4.9 Portable high-pressure cold spray system. Courtesy of ASB Industries, Inc. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460107
EISBN: 978-1-62708-285-3
... Abstract This chapter provides an overview of the state of the art in high-pressure cold spray equipment, including both spray systems and gas supply systems. The chapter describes the commercial cold spray systems developed by companies such as Cold Gas Technology (CGT) GmbH, Plasma Giken...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460227
EISBN: 978-1-62708-285-3
... Abstract High-pressure cold spray repair process has been used on a number of different applications in the defense industry. This chapter describes various applications for cold spray systems that have operating pressures greater than 2.4 MPa (350 psi) and operating temperatures greater than...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460001
EISBN: 978-1-62708-285-3
... technologies, commercial applications and use of cold spray are increasing. Today, the range of equipment and applications for HPCS continues to expand. An example includes the relatively recent development of a high-pressure, portable, handheld system that is part of an emerging line of U.S.-built commercial...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460277
EISBN: 978-1-62708-285-3
... engines ( Ref 11.5 , 11.6 ) without compromising the substrate properties. The repair can be performed both in the shop with a high-pressure stationary system as well as in the field with a portable low-pressure cold spray system ( Ref 11.4 , 11.7 – 11.13 ), depending on the application. Figure 11.5...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460173
EISBN: 978-1-62708-285-3
... Abstract Increasing growth of high-pressure cold spraying applications on the industrial scale have forced global powder producers to face this challenge and develop specific powders for cold spray applications. This chapter provides information on the properties, classification...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040010
EISBN: 978-1-62708-428-4
... excursions of the feedstock particles. Consequently, deleterious effects of high-temperature oxidation, evaporation, recrystallization, residual stresses, and other concerns are minimized or eliminated. Figure 6 is a schematic of a cold spray system. Figure 6 Cold spray system [ 2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040020
EISBN: 978-1-62708-428-4
... processes increase with higher temperatures: waste-to-energy systems, boilers, steam generators and gas turbines, nuclear energy plants, and so on. Coating microstructure design for high wear performance. Development of superhard nanostructured cermet coatings by cold spraying or warm spraying with high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460017
EISBN: 978-1-62708-285-3
... Abstract This chapter reviews the current understanding of high-pressure cold spraying for different materials, covering widely accepted general mechanisms for particle deposition and the processes and parameters involved. It begins by reviewing the mechanisms of bonding. An overview...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040067
EISBN: 978-1-62708-300-3
... Aluminum Lubrication in the cold forging of aluminum is especially important because of the high adhesion between the aluminum and the die material. The lubrication systems used for the cold forging of aluminum are given in Fig. 7.4 . In general, one of three conversion coatings are used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460209
EISBN: 978-1-62708-285-3
... Abstract This chapter discusses the application of high-pressure cold spray to the automotive industry field, with special attention to three applications: additive manufacturing, fabrication methods, and protective coatings. Various studies on the automotive application of cold spray...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040069
EISBN: 978-1-62708-428-4
... engine. Typical locations for abradable application include the fan, low pressure compressor, and high pressure compressor sections. Figure 1 Cutaway view of a PW2000 engine. The yellow highlights are typical locations for abradable coatings. Photo courtesy of Pratt & Whitney, www.pw.utc.com...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030172
EISBN: 978-1-62708-282-2
... alloys in both low- and high-pressure cast form and the introduction of improved high-purity versions of the alloys. Table 6 lists some of the critical contaminant limits defined to date. The iron tolerance for the magnesium-aluminum alloys depends on the manganese present, a fact suggested many years...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460067
EISBN: 978-1-62708-285-3
... Abstract The modeling and simulation activities in the field of high-pressure cold spray can be divided into two main parts: solid mechanics and fluid dynamics. This chapter focuses on these parts of modeling work in cold spray research. The discussion covers the objective, principal concepts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.9781627084284
EISBN: 978-1-62708-428-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040001
EISBN: 978-1-62708-428-4
... strength with extremely dense microstructures. Plasma coatings are also known to have high bond strength with relatively dense oxide-free microstructures when sprayed in either low pressure plasma spray (LPPS) or vacuum plasma spray (VPS) systems. Cold spray is a relatively new process that relies more...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460253
EISBN: 978-1-62708-285-3
... and critical velocities needed to provide high-quality coatings with good deposition efficiencies (~400 to 1100 m/s, or 1300 to 3600 ft/s) ( Ref 10.21 ). Here, the critical and erosion velocity lines correspond to the simulated values for 25 μm cold particles, although both velocities depend not only...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460121
EISBN: 978-1-62708-285-3
... in high-pressure cold spray coating characterization, including residual-stress characterization. The chapter includes some preliminary screening of tool hardness and bond adhesion strength, as well as a distinction between surface and bulk characterization techniques and their importance for cold spray...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240607
EISBN: 978-1-62708-251-8
... interfacial contact and strong reinforcement-to-matrix bonds but also can result in the formation of brittle interfacial layers as a result of interactions with the high-temperature liquid matrix. Liquid-phase processes include various casting processes, liquid metal infiltration, and spray deposition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
... is complete. If cold dies and reinforcements are used along with high pressures, chemical reactions between the liquid metal and reinforcement can be minimized due to the shorter processing cycles. Squeeze casting is one of the most economical processes for fabricating MMCs and allows relatively large...