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macrosegregation

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420429
EISBN: 978-1-62708-310-2
... solute at an advancing interface because it is more soluble in the liquid than the solid. As freezing progresses, there is a buildup of the solute in the liquid that freezes last, such as at the center of the casting. Such long range variations in composition are called macrosegregation. Normal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120065
EISBN: 978-1-62708-269-3
... Joint Design Criteria and Limitations Precautions in Welding Practice Fusion Welding Practice Arc Welding Electron Beam, Laser Beam, and Resistance Spot Welding Some Fusion Welding Process Comparisons Solid-State Welding Practice Brazing Practice Macrosegregation in Weldments...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240095
EISBN: 978-1-62708-251-8
... in the liquid than the solid. As freezing progresses, there is a buildup of the solute in the liquid that freezes last, such as at the center of the casting. Such long-range variations in composition are called macrosegregation. Normal segregation frequently occurs when the direction of growth is inward...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220129
EISBN: 978-1-62708-259-4
.... continuous casting hot cracking ingot casting macrosegregation microporosity nonmetallic inclusions solidification shrinkage steel Modern steelmaking and refining processes are capable of producing large masses of highly homogeneous steel, both chemically and thermally. However, these liquid...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230253
EISBN: 978-1-62708-298-3
... Grain Refinement in Beryllium ,” Report NYO-7788, AEC Contract AT(30–1)-1836, Aeroprojects, Inc . Mehrabian R. , Keane M. , and Flemings M.C. , 1970 . Interdendritic Fluid Flow and Macrosegregation; Influence of Gravity , Met. Trans. , Vol 1 ( No. 5 ), p 1209 – 1220 10.1007...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850001
EISBN: 978-1-62708-260-0
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720021
EISBN: 978-1-62708-305-8
..., producing macrosegregation. Microsegregation is a natural result of dendritic solidification because the dendrites are purer in composition than the interdendritic matter. Macrosegregation manifests itself in a variety of forms–centerline segregation, negative cone of segregation, A-and V-type...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740001
EISBN: 978-1-62708-308-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400049
EISBN: 978-1-62708-258-7
... dendrites (a portion of the manganese and chromium will also be in the dendrites themselves). The resulting microstructure will reveal these regions, called microsegregation and macrosegregation. Microsegregation is represented by the segregation of alloying elements between the dendrite branches or arms...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260187
EISBN: 978-1-62708-336-2
... control (SPC). MMC billets are homogenized prior to extrusion, as are regular alloy billets, to reduce macrosegregation and achieve a fine distribution of matrix secondary phases. Brusethaug et al. ( Ref 24 ) investigated the use of SiC reinforced in AlSi7Mg alloys for automotive applications...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740047
EISBN: 978-1-62708-308-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000023
EISBN: 978-1-62708-312-6
... those in gas atomization, both are sufficient to produce powders free of macrosegregation and which, after processing, yield homogenous microstructures. These advantages, when combined with consolidation to full density, can in some alloy systems produce properties superior to those attainable...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240279
EISBN: 978-1-62708-251-8
..., such as plates, bars, and sheet. Large plastic deformation in combination with heat is very effective in refining the microstructure, breaking up macrosegregations, collapsing and sealing porosity, and refining the grain size. This product may be suitable for its intended application, but in many cases...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410163
EISBN: 978-1-62708-265-5
.... , Physical Metallurgy Principles , 2nd ed. , D. Van Nostrand Company , New York , 1973 , p 568 – 608 9.45 Flemings M.C. and Nereo G.E. , Macrosegregation Part I , Trans. TMS-AIME , Vol 239 , 1967 , p 1449 – 1461 9.46 Rappaz M. , Farup I. , and Drezet J.-M...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280117
EISBN: 978-1-62708-267-9
... —the reduced machining costs are about offset by the higher cost of powder) Improved property uniformity and alloy-development flexibility, due to the elimination of macrosegregation and the development of finer grain size Reduced energy requirements and shorter delivery time, because the P/M process...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060175
EISBN: 978-1-62708-261-7
... and abrasion resistance. Manganese has less of a tendency toward macrosegregation than any of the common elements. Steels with more than 0.60% Mn cannot be readily rimmed. Manganese is beneficial to surface quality in all carbon ranges (with the exception of extremely low-carbon rimmed steels). Silicon...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400023
EISBN: 978-1-62708-258-7
... with a “treelike” branching pattern); (b) coarse microstructures; and (c) micro- and macrosegregation of the elements contained in the steel (carbon, manganese, sulfur, phosphorus, etc.). First, we must look at the dendritic structure of steel. A dendrite is shown schematically in Fig. 2.40 . The main “trunk...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130255
EISBN: 978-1-62708-284-6
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230523
EISBN: 978-1-62708-298-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060013
EISBN: 978-1-62708-261-7