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hypoeutectic cast iron

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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
...Abstract Abstract The solidification of hypoeutectic cast iron starts with the nucleation and growth of austenite dendrites, while that of hypereutectic iron starts with the crystallization of primary graphite in the stable system or cementite in the metastable system. This article begins...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006580
EISBN: 978-1-62708-210-5
... diam × 305 mm (1.125 diam × 12 in.) rod Abstract Abstract The 443 series of aluminum casting alloys have nominal silicon content of 5 wt% with various limits on iron, copper, manganese and magnesium. They are hypoeutectic AI-Si binary alloys with high ductility, very good corrosion resistance...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006334
EISBN: 978-1-62708-179-5
... for the practicing metallurgist involved in cast iron production. The primary phase can be either austenite for hypoeutectic cast iron or graphite for hypereutectic cast iron. Further solidification into eutectic structures can be either an austenite-graphite eutectic or an austenite-cementite (Fe 3 C) eutectic...
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
... a different sequence at the start of solidification. In the case of hypoeutectic composition, for example, nucleation of a solid phase begins with austenite formation, with some dissolved carbon in the austenite. Some graphite may form during solidification of a hypoeutectic cast iron, because the growth...
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
... the liquid solution transforms into a solid solution ( Fig. 15a ). However, for many alloys, solidification may be completed by some other process, such as a eutectic ( Fig. 15b ), peritectic, or monotectic reaction. Because solidification of hypoeutectic cast iron starts with the solidification of austenite...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003085
EISBN: 978-1-62708-199-3
... and cracks in castings and welds, controlling solution heat treating to prevent damage caused by incipient melting, and developing new processing technology. In the area of performance, phase diagrams give an indication of which phases are thermodynamically stable in an alloy and can be expected...
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
... phase can be either austenite for hypoeutectic cast iron or graphite for hypereutectic cast iron. Primary Austenite The formation and growth characteristics of austenite dendrites have received considerably less attention from investigators than eutectic cell count and morphology simply 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
... Treatment station for the wire flushing process. Source: Ref 22 Fig. 19 Cast iron wedge test pieces with lamellar graphite. Source: Ref 24 Fig. 20 Cooling curve of hypoeutectic cast iron with lamellar graphite. Source: Ref 25 Fig. 21 Supercooling of cast iron...
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
... Thermal analysis used to determine the chemical composition of hypoeutectic cast iron. Dotted lines show the range of data. Source: Ref 15 Both the eutectic solidification temperature as well as the eutectic composition given from a cooling curve vary from test method to test method. However...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006327
EISBN: 978-1-62708-179-5
... as hypoeutectic cast iron. A comparison between numerical predictions with this model and experiment are presented in Fig. 22 after Ref 61 . Fig. 22 Experimental and simulated cooling curves for TWDI castings. Source: Ref 61 Off-eutectic austenite dendrites mainly precipitate in the first stage...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005301
EISBN: 978-1-62708-187-0
...Abstract Abstract This article focuses on aspects that are important for the commercial production of castings. It discusses the modification process in hypoeutectic and eutectic alloys that differ only in the relative volume fraction of primary aluminum and aluminum-silicon eutectic...
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
... of cast iron ( Ref 22 ). Figure 19 illustrates the differences between a hypoeutectic (CE = 3.87) and a near-eutectic (CE = 4.17) lamellar cast iron. The hypoeutectic lamellar cast iron does not expand before 30% fraction solid is reached, which is probably the CET moment, while the near-eutectic alloy...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003175
EISBN: 978-1-62708-199-3
..., or the titanium will no longer be available to act as a grain refiner. Fig. 3 As-cast Al-7Si ingots showing the effects of grain refinement. (a) No grain refiner. (b) Grain refined. Both etched using Poulton's etch; both 2× Refinement of Hypoeutectic Alloys Many sand and permanent mold aluminum...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003109
EISBN: 978-1-62708-199-3
... of the cast iron family. Compacted graphite irons have inadvertently been produced in the past as a result of insufficient magnesium or cerium levels in melts intended to produce spheroidal graphite iron; however, it has only been since 1965 that CG iron has occupied its place in the cast iron family...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003106
EISBN: 978-1-62708-199-3
... as: C E   = % C  + % Si 3 or more precisely, taking phosphorus into consideration: C E   = % C  +  % Si  + % P 3 Comparison of CE with the eutectic composition in the Fe-C system (4.3% C) will indicate whether a cast iron will behave as a hypoeutectic...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001077
EISBN: 978-1-62708-162-7
... die casting, low-pressure die casting, sand casting, permanent mold casting (iron, graphite, or plaster molds), spin casting (silicone rubber molds), investment (lost-wax) casting, continuous or semicontinuous casting, and centrifugal casting. A newer process involves semisolid casting, of which...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003727
EISBN: 978-1-62708-177-1
..., bronze, and cast iron. Microshrinkage voids are of the order of 10 to 100 μm ( Ref 21 ). The size and shape of the pore is determined by the amount of gas rejected by the melt. If this amount is large, spherical pores will form and continue to grow through diffusion before dendrite coherency...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003144
EISBN: 978-1-62708-199-3
...Abstract Abstract This article provides information on the properties, compositions, designations, and applications of zinc and zinc alloys. It discusses the principal areas of application of zinc: in coatings and anodes for corrosion protection of irons and steels; in zinc casting alloys...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006388
EISBN: 978-1-62708-192-4
...Abstract Abstract This article begins by describing the designations of cast and wrought aluminum alloys. It explains the effects of main alloying elements in aluminum alloys: boron, chromium, copper, iron, lithium, magnesium, manganese, nickel, phosphorus, silicon, sodium, strontium, titanium...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005215
EISBN: 978-1-62708-187-0
... Eutectic Systems: Hypoeutectic Al-Si-Cu-Mg Alloys Common heat treatable aluminum casting alloys are strengthened by precipitation of the precursor phases to Mg 2 Si (β′) and CuAl 2 (θ′ and θ′′). Al-6.5%Si-3.5%Cu-0.5%Mg-0.5%Fe is representative of Al-319 alloys, which are used for automotive...