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slag entrainment

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320103
EISBN: 978-1-62708-332-4
... by a section providing information on the practice of stress relieving. Next, the chapter details various ways of eliminating slag entrainment while designing gating and venting systems. Several factors related to the establishment of the optimum pouring rate and time are then covered. Further, the chapter...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130151
EISBN: 978-1-62708-284-6
... quantities can lead to unique dispersion-strengthened materials. There are essentially two classifications for all inclusions: Exogenous—those derived from external causes Indigenous—those that are native, innate, or inherent in the molten metal treatment process Slag, dross, entrapped mold...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280041
EISBN: 978-1-62708-267-9
... is provided with a series of dams and weirs to trap slag that may have been entrained into the pour stream. Finally, the pouring system itself generally ends in a refractory tub (a tundish) that contains a considerable volume of metal and allows residence time for entrained slag to float to the top...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290023
EISBN: 978-1-62708-306-5
... metal can be supplied by a separate rod or wire if needed. A consumable electrode, however, will not only conduct the current that sustains the arc but also melt and supply filler metal to the joint. Arc welding processes use shielding gases, slag coverings, or both to protect the hot weld metal from...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080259
EISBN: 978-1-62708-304-1
... of 1 to 2 s ( Ref 1 ). Babcock & Wilcox developed the Cyclone furnace for firing coal grades that have a low fusion temperature and are not suitable for pulverized coal firing because of potentially forming a molten slag, thus developing a severe slagging problem in superheaters ( Ref 1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030089
EISBN: 978-1-62708-282-2
... to impingement corrosion downstream of the weld. Alternatively, in low-velocity oil and gas systems where the water content is entrained in the bulk fluid, such excess penetration can cause flow disruption and water dropout, allowing pooling of water downstream of the weld, which can lead to increased corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230071
EISBN: 978-1-62708-298-3
... into a chloride or a fluoride. The processing temperature must be above the melting point of beryllium to have a molten product that can be easily separated from the slag. However, it imposes daunting material problems, forcing a low-temperature reduction. Therefore, a solid beryllium product, intimately mixed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410163
EISBN: 978-1-62708-265-5
... particles. Reoxidation products, such as alumina, are generated i) when the Al remaining in the liquid steel is oxidized by FeO, MnO, SiO 2 and other oxides in the slag and refractory linings, or ii) by exposure to the atmosphere. Slag entrapment, when metallurgical fluxes are entrained in the steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.9781627082679
EISBN: 978-1-62708-267-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820013
EISBN: 978-1-62708-339-3
... lb/h) are higher than GMAW. Deposition efficiencies (80–90%) are lower but operator factors (50%) are similar to GMAW. Equipment cost is moderate. Good out-of-position deposition rates can be achieved with conventional power sources. Welding speeds are moderate to high. Slag and spatter removal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320063
EISBN: 978-1-62708-332-4
... with the drag because of the higher probability of floating slag entrainment. For castings beyond the range of the team of designers, casting engineers, and machining specialists, it is necessary to discuss and decide on the most suitable machine stock. Table 6.10 ( Ref 7 ) provides the machining...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860343
EISBN: 978-1-62708-348-5
... in oxygen systems. Sand, rust, weld slag, and alumina from gas dryers are all found to varying degrees in gaseous oxygen systems. Although traps and filters are used to remove particulates from the flow stream, such measures are rarely 100% effective. Particulates thus become entrained in the flow...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030292
EISBN: 978-1-62708-282-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.9781627082617
EISBN: 978-1-62708-261-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080201
EISBN: 978-1-62708-304-1
... corrosion ( Fig. 7.26 ) ( Ref 63 ). Breakdown of the protective chromium oxide scale results from the sulfides formed over it ( Ref 14 , 61 ). Formation of liquid sulfide slag over the chromium oxide scale is most damaging. Alloying elements, such as manganese, iron, cobalt, nickel, and so forth, diffuse...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
... or soot contamination in oil or aqueous media, also may lead to distortion and cracking. Finally, excessive foaming and air entrainment of the quench media will lead to nonuniform cooling, soft spots, increased residual stresses, and cracking. Therefore, it is essential that the quench bath be well...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.9781627083041
EISBN: 978-1-62708-304-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030215
EISBN: 978-1-62708-282-2
... is challenged to ensure that the welds are as corrosion resistant as the base metals. Generally, the weld metal must equal the base metal in chemical composition and must be virtually free of surface defects, such as porosity, slag inclusions, incomplete penetration, or lack of fusion, for long, maintenance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7