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lamellar graphite iron

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Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006300
EISBN: 978-1-62708-179-5
... untransformed volume. The article describes the austenite decomposition to ferrite and pearlite in spheroidal graphite irons and lamellar graphite irons. It provides a discussion on modeling austenite decomposition to ferrite and pearlite. austenite decomposition austenite-to-pearlite transformation...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006304
EISBN: 978-1-62708-179-5
... micrographs of sand-cast lamellar graphite (LG) irons at room temperature. (a) Parallel graphite (Gr) platelets at the γ/liquid interface in low-sulfur LG iron. Reprinted with permission from Elsevier. Source: Ref 68 . (b) Fracture surface showing tiled-roof configuration of graphite platelets in a graphite...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006307
EISBN: 978-1-62708-179-5
... 0.20 1432 −178 4.66 177 25.7 0.11 0.68 0.21 SGI 2.4% Si 0.21 977 −211 4.27 170 24.7 0.13 0.12 0.75 SGI 3.7% Si 0.13 701 −77 4.20 159 23.1 0.11 0.89 0.00 ADI 350 °C (660 °F), 2 h 0.1 1600 … … … … 0.12 Ausferrite … LGI, lamellar graphite iron; CGI...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006343
EISBN: 978-1-62708-179-5
.... , and Diószegi A. , Quantification of Dendritic Austenite after Interrupted Solidification in a Hypoeutectic Lamellar Graphite Iron , Metallogr., Microstruct., Anal. , Vol 5 ( No. 1 ), 2016 , p 28 – 42 18. Diószegi A. , Fourlakidis V. , and Lora R. , Austenite Dendrite...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006330
EISBN: 978-1-62708-179-5
.... Source: Ref 16 Fig. 14 Austenite grain structure in a direct austempering after solidification treated lamellar graphite iron. The continuous line indicates the transition between the columnar and equiaxed grain zones. Source: Ref 19 Fig. 15 Experimental assembly including force...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006294
EISBN: 978-1-62708-179-5
... Lamellar Gr + Fe 3 C P Mottled Solidification Malleable iron Temper graphite F, P Silver-gray Heat treatment Austempered ductile iron Spheroidal graphite At Silver-gray Heat treatment (a) P, pearlite; F, ferrite; A, austenite; M, martensite; At, austempered (bainite). (b) White...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0009206
EISBN: 978-1-62708-161-0
... for obtaining common commercial cast irons Classification Principles of the Metallurgy of Cast Iron Gray Iron (Flake or Lamellar Graphite Iron) Ductile Iron (Spheroidal Graphite Iron) Compacted Graphite Irons Malleable Irons Special Cast Irons References References 1...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006311
EISBN: 978-1-62708-179-5
...: Ref 9 Fig. 5 Room-temperature eutectic grain structure in lamellar graphite iron. Original magnification: 14×. Source: Ref 10 Fig. 6 Pearlitic gray iron showing type A graphite and fine pearlite Fig. 7 Transmission electron microscopy image of a fractured graphite...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006324
EISBN: 978-1-62708-179-5
... 0.260–0.264 Gray iron class 60 (low carbon) Pearlitic … 7300–7400 0.264–0.267 Lamellar graphite (LG) iron Acicular (bainitic) 1.57Mo, 1.87Ni 7320 0.265 LG iron, medium silicon Ferritic 4–6Si 6810–7080 0.246–0.256 LG iron, high silicon Ferritic 14–17Si 6980–7030 0.252–0.254...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006299
EISBN: 978-1-62708-179-5
... of Sulfur and Titanium on the Microstructure of Lamellar Graphite Iron , Metall. Mater. Trans. A , Vol 44 ( No. 11 ), 2013 , p 5134 – 5146 10.1007/s11661-013-1897-2 29. Strong G.R. , AFS Trans. , Vol 91 , 1983 , p 151 – 156 30. Patterson W. and Ammann D...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006308
EISBN: 978-1-62708-179-5
..., the classification criteria for gray iron include graphite shape, microstructure of the matrix, and mechanical properties. The term gray iron is a commercial designation. In technical papers the terms used are flake graphite iron or lamellar graphite iron . The typical composition of gray iron includes 2.5...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006313
EISBN: 978-1-62708-179-5
.... As shown in Fig. 8(c) , the skin factor decreases rapidly with nodularity. The mechanical properties of lamellar graphite iron are the least sensitive to the casting skin, and those of SG iron are the most sensitive. The thickness and microstructure of the casting skin is affected by the cooling rate...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006331
EISBN: 978-1-62708-179-5
... and dimensional changes than lamellar graphite iron, because it generally displays a greater volumetric contraction ( Ref 10 ). When the mold is heated, the binder starts to degrade, and the mold will lose tensile strength. In a green sand mold, the heat from the casting will vaporize the water that activates...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003725
EISBN: 978-1-62708-177-1
... detailed analysis of the influence of sulfur and cerium on the interface morphology of iron-carbon alloys solidifying with austenite-graphite eutectic is presented in Fig. 24 ( Ref 19 ). It is clearly seen that as the cooling rate increases the lamellar spacing decreases, and the graphite changes from...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005213
EISBN: 978-1-62708-187-0
... 40 Fig. 30 Transition from (a) flake to compacted graphite and from (b) spheroidal to compacted graphite based on the twin/tilt of boundaries growth mechanism. Source: Ref 41 Fig. 31 Schematic illustrating growth of ledeburite (austenite-iron carbide) eutectic. (a) Lamellar...
Book Chapter

Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006225
EISBN: 978-1-62708-163-4
... as divorced growth. Cast iron often exhibits intermediate microstructural forms, such as vermicular or chunky graphite. In general, the microstructure obtained will usually be fibrous when the volume fraction of the minor phase is lower than 0.25; otherwise, it will be lamellar. This is because...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005903
EISBN: 978-1-62708-167-2
... 1 Fig. 2 Eutectic points and carbon saturation contents in iron melts: (a) in the iron-carbon binary system, and (b) for a melt with 2% Si, 0.5% Mn, 0.1% S, and 0.1% P. Source: Ref 2 Fig. 6 Damping curves for cast steel, nodular cast graphite, and cast iron with lamellar...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006314
EISBN: 978-1-62708-179-5
.... Source: Ref 6 Fig. 4 Calculated influence of silicon content on the eutectic growth coefficient (μ eut ) in lamellar graphite cast iron. Source: Ref 26 Fig. 7 Scheme of field of concentration for nodular iron models. r gr , radius of graphite; ( r γ − r gr ), austenite shell...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006315
EISBN: 978-1-62708-179-5
... of Graphite Nucleation in Lamellar Graphite Cast Iron , Int. J. Metalcast. , Vol 3 ( No. 4 ), 2009 , p 39 – 47 10.1007/BF03355457 16. Campbell J. , A Hypothesis for Cast Iron Microstructures , Metall. Mater. Trans. B , Vol 40 ( No. 6 ), 2009 , p 786 – 801 10.1007/s11663-009-9289-0...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005322
EISBN: 978-1-62708-187-0
... called flake or lamellar graphite cast iron due to the shape of the graphite present in these alloys. The generic term, cast iron, is often improperly used to mean gray cast iron. While gray iron has been produced for over 3000 years, modern gray cast irons require precise control of factors that affect...