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iron-iron carbide-silicon system

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320031
EISBN: 978-1-62708-332-4
... Abstract This chapter discusses the crystal structures of steel and cast iron, the iron-iron carbide equilibrium diagram, microconstituents or phases in the iron-iron carbide phase diagram, the iron-carbon carbide-silicon equilibrium diagram of cast irons, and the influence on microstructure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400001
EISBN: 978-1-62708-258-7
... alloying elements are added to iron for the purpose of attaining certain specific properties and characteristics. These elements include, but are not limited to, carbon, manganese, silicon, nickel, chromium, molybdenum, vanadium, columbium (niobium), copper, aluminum, titanium, tungsten, and cobalt...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.9781627083324
EISBN: 978-1-62708-332-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320163
EISBN: 978-1-62708-332-4
... and machinability are: Freedom from carbides; Nodularity, nodule count, and distribution of graphite; and Targeted matrix microstructure. 9.4.1 Effect of Carbon and Silicon A carbon equivalent (CE) of 4.3% is a primary requisite for a carbide-free structure. Excessive CE values (% carbon + 1/3...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170062
EISBN: 978-1-62708-297-6
... alloying elements affect the properties, behaviors, and processing characteristics of ductile iron. The article describes the benefits of nickel and silicon additions in particular detail, explaining how they make ductile iron more resistant to corrosion, heat, and wear. corrosion behavior ductile...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240453
EISBN: 978-1-62708-251-8
... and the resultant properties. Good foundry practice for gray iron includes the use of inoculants, that is, the addition of minute amounts of minor elements before pouring. Inoculants include calcium, aluminum, titanium, zirconium, silicon carbide, calcium silicide, or combinations of these. The inoculants act...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060247
EISBN: 978-1-62708-261-7
.... 10.11 Simplified phase diagram of iron-carbon system of a carbon equivalent with silicon at 2% Si During the formation of the austenite dendrites, carbon is rejected into the remaining liquid. The carbon content of the liquid increases until it reaches the eutectic composition of 4.3...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310331
EISBN: 978-1-62708-326-3
... hardening CAST IRONS, like steels, are iron-carbon alloys but with higher carbon levels than steels to take advantage of eutectic solidification in the binary iron-carbon system. Due to their relatively high silicon contents, commercial cast irons also are usually considered to be at least ternary Fe-C...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320157
EISBN: 978-1-62708-332-4
... into white iron with iron carbides and with no free graphite. This poses a limitation to the maximum wall thickness that can be cast completely as white iron without alloying. Malleabilization requires heat treatment, which is energy intensive. Packing into tubs and shot blasting for scale removal...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300421
EISBN: 978-1-62708-323-2
... well as springs (music wire) in many tribosystems. The tool steels designation system essentially suggests where the different types should be used: O series: short-run tooling A series: medium-run tooling D series: long-term tooling Cemented carbide: tooling for millions of parts...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220583
EISBN: 978-1-62708-259-4
...           Carbon         Tin         Phosphorous         Silicon         Aluminum         Copper         Nickel         Iron Elements with negative graphitization potential (favor carbide formation)         Manganese         Chromium         Molybdenum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.9781627082976
EISBN: 978-1-62708-297-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320103
EISBN: 978-1-62708-332-4
... for Austenitic Gray Iron Castings A518/A518M-99(2012) Standard Specification for Corrosion-Resistant High Silicon Iron Castings A532/A532M-10(2014) Standard Specification for Abrasion Resistant Cast Irons A748/A748M-87(2012) Standard Specification for Statically Cast Chilled White Iron-Gray Iron Dual...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900045
EISBN: 978-1-62708-358-4
... ferrite is referred to as delta-ferrite, δ-Fe, or δ. Cementite is also referred to as iron carbide, theta-carbide, θ-carbide, or Fe 3 C. Cementite is actually metastable; under some conditions, and in the presence of high carbon content and alloying elements such as silicon, the most stable form of carbon...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310001
EISBN: 978-1-62708-286-0
... simultaneously. Stainless steel is an exceptional alloy system in that it is not a dilute solution. Alloy steels may contain several percent of alloying elements, such as carbon, manganese, nickel, molybdenum, chromium, and silicon, in addition to the impurities sulfur, oxygen, and phosphorus. Alloy steels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320195
EISBN: 978-1-62708-332-4
... ) illustrates phases formed at different temperatures with an overlay of austenitizing and austempering. Fig. 10.1 Austempered ductile iron cycle and transformation phases. Source: Ref 1 The upper critical temperature and the transformations are influenced by the silicon content. The cooling...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170021
EISBN: 978-1-62708-297-6
... or more precisely, taking phosphorus into consideration: (Eq 2) CE = % C + % Si + % P 3 Using Eq 1 and 2 , it is possible to relate the effect of carbon, silicon, and phosphorus to the binary iron-carbon system. Irons with a carbon equivalent of 4.3 are considered...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320207
EISBN: 978-1-62708-332-4
... of compacted graphite iron over gray iron and ductile iron. It presents examples of low- and high-frequency thermal cycling, both of which affect the thermal stresses that castings are exposed to during temperature fluctations. Information on optimum carbon and silicon ranges as well as mechanical property...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170495
EISBN: 978-1-62708-297-6
... to 1800 °F), they can decompose into the M 23 C 6 or M 12 C carbide forms, depending on the alloy system. The M 12 C carbides are closely related to the M 6 C carbides. They usually form between the refractory elements molybdenum and tungsten and the matrix elements nickel, iron, cobalt, and chromium...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320323
EISBN: 978-1-62708-332-4
... 0.22 0.10 0.60 … … … Rail steel 27.5 0.60 0.30 0.03 0.03 0.80 … … … Pig iron 15.0 4.00 2.40 0.12 0.03 0.91 … … … Silvery pig iron 5.0 2.50 10.48 0.10 0.05 0.88 … … … Ferro manganese briquettes 0.15 2.00 … … … Ferro silicon inoculant...