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carbon pickup

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Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005256
EISBN: 978-1-62708-187-0
...Abstract Abstract The Replicast process is developed to overcome the formation of lustrous carbon defects and carbon pickup observed in conventional evaporative pattern casting processes. This article provides a discussion on the pattern production, process capabilities, advantages...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005197
EISBN: 978-1-62708-187-0
... rate, temperature, and carbon pickup with the same amount of coke, or alternatively, the amount of coke used to melt a ton of iron can be reduced for the same melt rate, temperature of the iron exiting the cupola, or greater carbon pickup. Early blast air heating systems could preheat the incoming air...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001429
EISBN: 978-1-62708-173-3
... welding (OAW) and submerged arc welding (SAW). Oxyacetylene welding is not recommended because of the possibility of carbon pickup from the flame, whereas submerged arc welding is not recommended because of its high heat input, chromium loss across the arc, and silicon pickup from the welding flux...
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: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003622
EISBN: 978-1-62708-182-5
..., nitrogen, sulfur, and selenium. Carbon is normally present in amounts ranging from less than 0.03% to over 1.0% in certain martensitic grades. Metallurgical Factors Stainless steel base metals and thus the welding filler metals used with them are almost invariably chosen on the basis of adequate...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001409
EISBN: 978-1-62708-173-3
... of niobium and/or titanium to match the carbon, nitrogen, and oxygen contents (intermediate-purity Group III alloys). For these reasons, every precaution must be taken and welding procedures must be selected that optimize gas shielding and cleanliness to avoid pickup of carbon, nitrogen, oxygen, and hydrogen...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005259
EISBN: 978-1-62708-187-0
... double that of iron. The chilling ability of a material is roughly equal to the product of its mass multiplied by its specific heat. Graphite is nonreactive with most molten metals. In casting phosphorus bronze, graphite molds are not burned into as iron molds are. Carbon pickup is negligible in casting...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001463
EISBN: 978-1-62708-173-3
... and cover. The resulting increases in weld-metal oxygen and carbon contents cause concern as to the use of a flux coating that contains carbonates for hyperbaric welding. Carbon pickup in the weld metal results in an increase in cracking susceptibility. Ferrosilicon additions to the flux did reduce weld...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006337
EISBN: 978-1-62708-179-5
... the cupola melting method changes the chemistry of the metal by adding carbon to the melted iron, the cupola is ideal for melting cast iron. This carbon pickup and other alloying mechanisms allow the cupola to melt a wide variety of ferrous scrap materials. The amount of carbon pickup and other metallurgical...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006057
EISBN: 978-1-62708-175-7
... has a similar effect on magnetic properties. The small amount of contamination does not seriously affect magnetic induction because the amount of iron available for magnetization is the controlling factor ( Fig. 10 ). Fig. 9 Effect of carbon pickup on induction. Source: Ref 13 Fig. 10...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006111
EISBN: 978-1-62708-175-7
...–600 570–1110 Refining (reduction of iron oxide) 750–1000 (b) 1380–1830 (b) Carbon diffusion 900–1050 1650–1920 Diffusion of alloy additions 1050–1300 1920–2370 Carbon pickup by the atmosphere (in some cases) 1000–1300 1830–2370 Carbon restoration 1050–800 1920–1470...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001432
EISBN: 978-1-62708-173-3
..., or in certain submerged arc welds where the use of excessive arc voltage and active fluxes results in high manganese and/or silicon pickup from the flux (see the section “Submerged Arc Welding” in this article). Fig. 1 Schematic showing location of hydrogen-induced cracks in carbon steel weldments...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... was heated by a copper heater coil ( Fig. 5e ). The pits resulted from deposition of copper ions from the heater element. Nonmetallic Conductors Less frequently recognized is the influence of nonmetallic conductors as cathodes in galvanic couples. Carbon brick in vessels is strongly cathodic...
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...
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
... electric heat to a ladle of molten metal to either maintain the temperature or raise the temperature of the melt. For numerous steel grades, especially those with extremely low carbon contents, plasma arc ladle heating is an alternative to heating with graphite electrodes and the risk of carbon pickup...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005252
EISBN: 978-1-62708-187-0
... lots of the same resin or different resins of the same type. Resins that have a low melting point have the fastest sand pickup and thus form shell molds rapidly and to greater thickness. Low-melting resins are slower curing, however, and are more likely to cause “peelback” (delamination...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... recognized is the influence of nonmetallic conductors as cathodes in galvanic couples. Carbon brick in vessels is strongly cathodic to the common structural metals and alloys. Impervious graphite, especially in heat-exchanger applications, is cathodic to the less noble metals and alloys. Carbon-filled...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006329
EISBN: 978-1-62708-179-5
... properties are important because they affect hot blast penetration and carbon pickup. Experience has shown that performance is optimized when coke size is consistent. Fine particles of coke should be screened out of the coke portion of the charge, because they fill the interstitial spaces between the coke...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005798
EISBN: 978-1-62708-165-8
... mm (0.006 in.) accurately represents the carbon profile of the piece parts. Carbon step bars cooled with parts under atmosphere may experience carbon loss or carbon pickup from the atmosphere during cooling. Some furnaces are designed to move the load from the carburizing chamber to a separate...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005294
EISBN: 978-1-62708-187-0
.... Because the cupola melting method changes the chemistry of the metal by adding carbon to the melted iron, the cupola is ideal for melting cast iron. This carbon pickup and other alloying mechanisms allow the cupola to melt a wide variety of ferrous scrap materials. The amount of carbon pickup and other...