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plasma-transferred arc welding

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Published: 01 August 2013
Fig. 2 Deposition of powder using plasma-transferred arc welding. Courtesy of Alberta Innovates—Technology Futures More
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Published: 01 August 2013
Fig. 32 Plasma-transferred arc weld overlay process More
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Published: 15 June 2020
Fig. 3 Schematic of (a) nontransferred and (b) transferred plasma arc welding processes More
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006391
EISBN: 978-1-62708-192-4
... processes. The arc welding processes include shielding metal arc welding, gas metal arc welding/flux cored arc welding, gas tungsten arc welding, submerged arc welding, and plasma transferred arc welding. The article also reviews various factors influencing the selection of the appropriate hardfacing...
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Published: 31 December 2017
Fig. 2 Microstructures of materials used for wear-protection applications. (a) Hot work tool steel X40CrMoV5-1 in the quenched and tempered condition. (b) NiCrBSi alloy processed by plasma-transferred arc welding. (c) G-X500Cr30 alloy in the plasma-transferred-arc-welded condition. (d More
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Published: 01 January 1993
Fig. 9 Effect of welding process on the microstructure of an ERCoCr-A hardfacing alloy. (a) Oxyfuel gas welding. (b) Plasma transferred arc welding. (c) Gas-tungsten arc welding. (d) Flux-cored open arc welding. (e) Submerged arc welding. (f) Shielded metal arc welding. Source: Ref 1 More
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Published: 01 August 2013
Fig. 8 Low-stress abrasion test data for tungsten-carbide-base overlays, deposited using plasma-transferred arc welding (PTAW) and gas metal arc welding (GMAW). The coupons underwent the modified version of the ASTM G65 standard, whereby two tests are conducted on the same sample. Courtesy More
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Published: 31 December 2017
Fig. 11 Micrograph of titanium carbide-based composite deposited by plasma transferred arc welding. Original magnification: 35× More
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Published: 31 December 2017
Fig. 5 Micrograph showing the typical structure of a tungsten carbide metal-matrix composite deposited by plasma transferred arc welding. Original magnification: 100× More
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Published: 31 December 2017
Fig. 7 Scanning electron micrograph showing a typical tungsten carbide powder, sized for plasma transferred arc welding deposition. Original magnification: 100× More
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Published: 31 December 2017
Fig. 12 Micrograph of composite overlay containing both diamonds and spherical tungsten carbides deposited by plasma transferred arc welding. Original magnification: 200× More
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
... on the type of alloy applied; the base metal; the size and shape of the component, including accessibility; and the need for automation. The most common application processes for oil sand coatings and overlays are plasma-transferred arc welding, gas metal arc welding, submerged arc welding, flux-cored arc...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003817
EISBN: 978-1-62708-183-2
... on the environmental cracking resistance of the cobalt alloys. Three welding processes that are used for hardfacing with the high-carbon Co-Cr-W alloys, namely, oxyacetylene, gas tungsten arc, and plasma-transferred arc are also discussed. The article examines the effects of various modes of high-temperature corrosion...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001362
EISBN: 978-1-62708-173-3
... Abstract Plasma-metal inert gas (MIG) welding can be defined as a combination of plasma arc welding (PAW) and gas-metal arc welding (GMAW) within a single torch, where a filler wire is fed through the plasma nozzle orifice. This article describes the principles of operation and operating modes...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005598
EISBN: 978-1-62708-174-0
... and argon-carbon dioxide are used when welding steels. Argon-hydrogen is used when welding stainless steels or when surfacing with them. Procedure Process Operating Procedure The plasma arc is ignited using a pilot arc in a fashion similar to that of a PAW system. The main arc is transferred from...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005597
EISBN: 978-1-62708-174-0
... Abstract The shielding gas used in an arc welding process has a significant influence on the overall performance of the welding system. These gases are argon, helium, oxygen, hydrogen, nitrogen, and carbon dioxide. This article discusses the shielding gas selection criteria for plasma arc...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001340
EISBN: 978-1-62708-173-3
.../oxidation potential, surface tension, gas purity, and gas density. It describes the characteristics of the components of a shielding gas blend. The article discusses the selection of shielding gas for gas-metal arc welding (GMAW), gas-tungsten arc welding (GTAW), and plasma arc welding (PAW), as well...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005636
EISBN: 978-1-62708-174-0
... and mass transfer in the weld pool is whether to directly simulate the arc plasma. For simplicity, the majority of the models published in the literature rely on prescribing heat flux distribution on the weld pool surface instead of direct arc plasma simulation. A Gaussian profile is typically used...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005582
EISBN: 978-1-62708-174-0
... Abstract Plasma arc welding (PAW) can be defined as a gas-shielded arc welding process where the coalescence of metals is achieved via the heat transferred by an arc that is created between a tungsten electrode and a workpiece. This article focuses on the operating principles and procedures...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001336
EISBN: 978-1-62708-173-3
... shape and shielding gas composition in the GTAW process. arc welding cathode tip shape electron discharge gas tungsten arc welding heat transfer nonthermionic emission shielding gas composition thermionic emission THE GAS-TUNGSTEN ARC WELDING (GTAW) process is performed using a welding...