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high-velocity oxyfuel thermal spray coating

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Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005712
EISBN: 978-1-62708-171-9
...Abstract Abstract This article focuses on coatings and overlays adopted for use as wear- and corrosion-resistant materials in oil sand processing. It describes the most common application processes for oil sand coatings and overlays, including welding, high-velocity oxyfuel thermal spray, laser...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005706
EISBN: 978-1-62708-171-9
...-fed flame spray, wire- or rod-fed flame spray, electric arc spray, plasma arc spray, vacuum plasma spray, high-velocity oxyfuel spray, detonation gun deposition, and cold spray, and their advantages. It provides details on the microstructural characteristics of thermal spray coatings. The article also...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001282
EISBN: 978-1-62708-170-2
... Plasma spray 16.0 WC-Co Super D-Gun 0.7 WC-Co High-velocity oxyfuel 0.9 ASTM G 65 dry sand/rubber wheel test, 50/70 mesh Ottawa silica, 200 rpm, 30 lb load, 3000-revolution test duration Erosive wear data for selected thermal spray coatings Table 11 Erosive wear data for selected...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005739
EISBN: 978-1-62708-171-9
...Abstract Abstract High-velocity oxyfuel (HVOF)-applied thermal spray coatings are viable candidates for replacement of hard chrome in numerous applications. HVOF thermal spraying can be used to deposit both metal alloy and cermet coatings that are dense and highly adherent to all the commonly...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005718
EISBN: 978-1-62708-171-9
.... 9 High-velocity oxyfuel gun features Fig. 10 Operational principles of several commercially available high-velocity oxyfuel thermal spray guns. (a) HV-2000. (b) JetKote. (c) Diamond Jet (D-J). (d) JP-5000 Fig. 11 Typical high-velocity oxyfuel coating microstructures. (a) Nickel...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0005586
EISBN: 978-1-62708-170-2
... high-resolution electron microscopy (microhardness) HRMF Rockwell microficial (microhardness) HSLA high-strength low-alloy HSS high-speed steel(s) HV Vickers hardness HVOF high-velocity oxyfuel (thermal-spray coating) Hz hertz I intensity...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005734
EISBN: 978-1-62708-171-9
..., plasma spray; OFW, oxyfuel wire spray; HVOF, high-velocity oxyfuel powder spray; OFP, oxyfuel powder spray; HVAF, high-velocity air-fuel powder spray; DG, detonation gun. (b) Contains carbon and forms carbide particles that are not granular, as in the case of cermet coatings There are four...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005713
EISBN: 978-1-62708-171-9
... of the thermal spray processes, applications, and materials growth. Fig. 1 Timeline of thermal spray developments, equipment, processes, and materials. LPPS, low-pressure plasma spray; VPS, vacuum plasma spray; HVOF, high-velocity oxyfuel; RF, radio frequency; TBCs, thermal barrier coatings Feedstock...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003832
EISBN: 978-1-62708-183-2
..., JP5000 (Tafa/Praxair); TG, TopGun HVOF systems (Miller Thermal); and HV, high-velocity flame spray system. Courtesy of TWI, Ltd. Fig. 11 Examples of anodic polarization curves obtained for high-velocity oxyfuel (HVOF)-sprayed coatings of nickel alloy 625 in deaerated artificial seawater...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001462
EISBN: 978-1-62708-173-3
..., applicable. (b) High-velocity oxyfuel Table 2 gives typical characteristics of these thermal spray processes. The combustion flame and the electric arc processes are the main ones used for preserving steel. Recommended feedstock requirements, area coverage, and spray rates for flame and arc...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005743
EISBN: 978-1-62708-171-9
... resistance HVOF, high-velocity oxyfuel, arc, wire arc, plasma, air plasma spray Digesters Blow Tanks Suction Roll Center Press Rolls Yankee Dryer Rolls Calendar Rolls Doctor/Scalping Blades Cutting Equipment Thermal spray coatings, along with certain proprietary sealants...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005749
EISBN: 978-1-62708-171-9
... or HSd Scleroscope hardness number HSS high-speed steel(s) HTSJ High Temperature Society of Japan HV Vickers hardness HVAF high-velocity air fuel HVIF high-velocity impact fusion spraying HVOF high-velocity oxyfuel spraying HV P Vickers hardness at applied...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005735
EISBN: 978-1-62708-171-9
... Postheat Treatments Laser Glazing Detonation Gun Low-Pressure Plasma Spray, High-Velocity Oxyfuel (HVOF), and Cold Processes This section focuses on a rather large group of industries involved in the production of materials. This includes mining, logging, agriculture, and drilling (oil and gas...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005732
EISBN: 978-1-62708-171-9
..., high-velocity oxyfuel (HVOF), twin arc wire, detonation gun, low-velocity oxyfuel (LVOF)-flame, and LVOF-wire/rod. Key differences in processes are related to thermal and kinetic energy. In many cases, processes such as air plasma have been optimized by using vacuum plasma spray/LPPS/air-shrouded...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001442
EISBN: 978-1-62708-173-3
... the oxyacetylene process, but it can be readily welded using gas-tungsten arc welding or the PTA process. It can also be applied using the plasma or high-velocity oxyfuel thermal spray techniques. Although it has excellent metal-to-metal wear resistance and moderate abrasive wear resistance, it possesses poor...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005725
EISBN: 978-1-62708-171-9
... coating layer by indexing the torch after each pass. See text for details. Fig. 3 Thermal spray stream positions. (a) Good. (b) Acceptable. (c) Minimum acceptable. HVOF, high-velocity oxyfuel Fig. 13 The spray pattern, illustrating particle deposition and the effect of size and debris...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003791
EISBN: 978-1-62708-177-1
... affects spray-pattern formation and particle heating differently. Table 1 shows a simple overview comparing heat energy and particle velocity for various thermal spray processes. In general, combustion-flame, combustion-wire, and twin-wire arc sprayed coatings are generated from high heat input plus low...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005737
EISBN: 978-1-62708-171-9
... plasma, low-pressure plasma, shrouded plasma, and high-velocity oxyfuel). The objective of a coating is to protect the base material from oxidation, hot corrosion, erosion, and wear. In addition, the application of heat-resistant and heat-insulating ceramics, called thermal barrier coatings (TBCs...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005717
EISBN: 978-1-62708-171-9
... Ambient HVOF, high-velocity oxyfuel; VPS, vacuum plasma spray Exposure times for various noise levels according to the Occupational Safety and Health Administration (OSHA) and the American Congress on Government and Industrial Hygiene (ACGIH) Table 2 Exposure times for various noise levels...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005733
EISBN: 978-1-62708-171-9
...-Physical Vapor Deposition (PS-PVD) and Low-Pressure Plasma Spray-Thin Film (LPPS-TF) Cold Spray Internal-Diameter High-Velocity Oxyfuel (ID-HVOF) Although thermal spray and EB-PVD techniques currently are considered the standard techniques to deposit layers for TBC applications, the state...