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plasma arc remelting

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Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005205
EISBN: 978-1-62708-187-0
... the sources of atmospheric contamination in plasma melting furnaces and their control measures. The equipment used in plasma melting furnaces are also discussed. The article provides a detailed discussion on various plasma melting processes, such as plasma consolidation, plasma arc remelting, plasma cold...
Image
Published: 01 December 2008
Fig. 7 Nitrogen concentrations in various metals as a function of the partial pressure of nitrogen after plasma arc remelting. (a) Iron. (b) 16–25–6 stainless steel. (c) Austenitic stainless steel. Curves A and B, induction heating; minimum and maximum nitrogen concentrations, respectively More
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005202
EISBN: 978-1-62708-187-0
... Abstract The vacuum arc remelting (VAR) process is widely used to improve the cleanliness and refine the structure of standard air melted or vacuum induction melted (VIM) ingots. It is also used in the triplex production of superalloys. This article illustrates the VAR process...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005510
EISBN: 978-1-62708-197-9
... Abstract This article provides an overview of the studies on computational modeling of the vacuum arc remelting (VAR) and electroslag remelting (ESR) processes. These models involve the axisymmetric analysis of the electromagnetic, flow, heat-transfer, and phase-change phenomena to predict...
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
... and Health Administration oz ounce p page p pressure P pearlite P specific load or unit load; pressure Pa Pascal PA plasma arc (spray); prealloyed; polyamide PACVD plasma-assisted chemical vapor deposition PAN polyacrylonitrile...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005647
EISBN: 978-1-62708-174-0
... and Health Administration oz ounce p page P pearlite Pa pascal PAW plasma arc welding PEEM photoemission electron microscopy pH negative logarithm of hydrogen-ion activity PH precipitation hardenable; precipitation hardening PID proportional-integral-differential PM...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0005547
EISBN: 978-1-62708-161-0
... (requires scale LBZ local brittle zone PAW plasma arc welding LCF low-cycle fatigue pH negative logarithm of hydrogen-ion designation, such as HRC for LDH limiting dome height Rockwell C hardness) LDR limiting draw ratio activity HSLA high-strength low-alloy (steel) LF ladle furnace PH precipitation...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005176
EISBN: 978-1-62708-186-3
... recommended for plasma arc cutting and air carbon arc cutting. Special applications of electric arc cutting, including shape cutting, gouging, and underwater cutting, are also discussed. The article provides information on other electric arc cutting methods, namely, the exo-process and oxygen arc cutting...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003690
EISBN: 978-1-62708-182-5
... coatings include portability, ability to seal or topcoat, abrasion and erosion resistance, and lack of curing requirements. Thermal Spray Processes Thermal spray (TS) is a generic term used to describe a group of processes, including flame spraying, plasma spraying, arc metallization, detonation gun...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005646
EISBN: 978-1-62708-174-0
..., and direct back re The momentary recession of the ame prepared edge of a member and a plane per- the shielding gas. pendicular to the surface of the member. arc force The axial force developed by an arc into the welding tip or cutting tip followed by bevel groove weld A type of groove weld. plasma...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005771
EISBN: 978-1-62708-165-8
... , Volume 13 of ASM Handbook , formerly Handbook, 9th edition . Surface Hardening with Arc Lamps Surface hardening with arc lamps is used in applications that involve surface remelting or surface hardening by solid-phase recrystallization. Examples include the surface remelting of cast iron...
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.9781627081740
EISBN: 978-1-62708-174-0
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005199
EISBN: 978-1-62708-187-0
...” in this article. Melt refinement by ESR furnaces is covered in the article “Electroslag Remelting” in this Volume. Furnaces and Refractories Electric arc and induction melting are the most common methods of melting steels. Coreless induction furnaces are also used for melting carbon, low-alloy steels...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0005663
EISBN: 978-1-62708-173-3
... induction melted-vacuum J.LF microfarads J.Lin. microinch RSA rosin superactivated arc remelted J.Lm micrometer (micron) vol volume J.LS microsecond RSEW seam welding vol% volume percent v Poisson's ratio VPPA variable polarity plasma arc 'TT pi (3.141592) RSW resistance spot welding W watt p density WI...
Book Chapter

By P.S. Grant
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005225
EISBN: 978-1-62708-187-0
... and the large amount of remelting distinguish spray casting as a semicontinuous casting process distinct from incremental spray deposition processes such as arc or plasma spraying, where there is little remelting, and discrete droplet deposition events are preserved in the final microstructure...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001287
EISBN: 978-1-62708-170-2
... the electron path length and so increase the ionization probability ( Ref 42 , 43 ). Unfocused, Low-Energy Electron-Beam Heating High-current, low-energy electron beams can be produced by thermionic-emitting surfaces, plasma arcs ( Ref 44 ), or hollow cathodes ( Ref 45 , 46 , 47 , 48 , 49...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005900
EISBN: 978-1-62708-167-2
... be established on a real industrial scale. New melting and refining processes such as vacuum arc remelting (VAR), electron beam melting (EBM), plasma melting, electroslag remelting (ESR), and vacuum degassing of steel were developed in parallel. Vacuum degassing became part of the secondary metallurgy...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005745
EISBN: 978-1-62708-171-9
... arc and plasma spray and HVOF techniques have been successfully used to fill in these voids with appropriate metal. Remachining of the surface completes the salvage. This technique has been used on large machine tool castings, diesel engine block castings, large castings for the process industries...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0004050
EISBN: 978-1-62708-183-2
... °F) by quartz sand/KCl mixture. 1–2, steels; 3–4, diffusion coatings; 5–7, arc-sprayed coatings; 8, combustion arc coating; 9–12, high-velocity oxyfuel (HVOF) coatings; 13, spray and fuse coating; 14, plasma-sprayed coating; 15–19, HVOF coatings. Up arrows indicate material loss greater than 0.30 mm...