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pearlite transformation

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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...
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Published: 01 January 2002
Fig. 9 Effect of tensile stress on pearlite transformation starting and ending times. Isothermal transformation at 673°C (1243 °F), eutectoid steel. The t D and t F times are transformation starting and ending times, respectively. More
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005922
EISBN: 978-1-62708-166-5
..., and the results of cooling curve analysis. The article schematically summarizes the cooling behaviors of the various cooling media and the microstructure of the pearlite transformation in a lead bath. cooling cooling curve high-carbon steel pearlite transformation steel wire patenting wires Steel...
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Published: 01 August 2013
Fig. 32 Pearlite that was formed isothermally in steel by partial transformation at 700 °C (1290 °F) and by further partial transformation at 674 °C (1245 °F). The pearlite at left was formed when the specimen was at the higher temperature and is coarser than the pearlite at center, which More
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Published: 01 August 2013
Fig. 33 Two plots of pearlite interlamellar spacing versus transformation temperature. (a) Source: Ref 67 . (b) Source: Ref 68 More
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Published: 27 April 2016
Fig. 17 Pearlite interlamellar spacing vs. transformation temperature. Source: Ref 13 as published in Ref 1 More
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Published: 01 December 2004
Fig. 1 Time-temperature-transformation diagrams in which (a) the pearlite and bainite regions extensively overlap, and (b) the pearlite and bainite regions are well separated in the temperature ranges in which they occur. Source: Ref 1 More
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Published: 01 December 2004
Fig. 13 Pearlite interlamellar spacing versus transformation temperature. Source: Ref 14 More
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Published: 01 January 2002
Fig. 7 Effect of hydrostatic pressure on the transformation kinetics of 50CV4 steel. B , bainite; F. P., ferrite-pearlite transformation; M s , martensite start temperature. Source: Ref 7 More
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005780
EISBN: 978-1-62708-165-8
...) was indicative of a pearlite-type transformation because the vapor blanket (film boiling) stage would be sufficiently long for austenite to transform into pearlite with increasing polymer concentration. Unfortunately, the initial cooling rate still was slower, which may result in the coarser pearlite or even...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001008
EISBN: 978-1-62708-161-0
... and the phase transformations that change the structure and properties at varying levels of carbon content. Microstructures described include pearlite, bainite, proeutectoid ferrite and cementite, ferrite-pearlite, and martensite. The article depicts some of the primary processing steps that result in ferrite...
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Published: 01 December 2004
Fig. 2 Austenite grains (transformed to pearlite) outlined by ferrite network in the as-cast structure. 40×. Source: Ref 2 More
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Published: 31 August 2017
Fig. 10 Transformation of austenite to a fully pearlitic structure illustrating pearlite growth rate as a function of time and alloying additions. Results from thermal analysis samples cooled at 0.73 K/s ( Ref 18 ) and 1.46 K/s ( Ref 42 ) on alloys containing various levels of arsenic, copper More
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
... the liquid melt. The article describes the macrostructure and dendrite morphology of primary austenite. Eutectoid transformation in the solid state causes the transformation of austenite to pearlite and/or ferrite, producing the as-cast structure. The article discusses the observations of the graphite...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003734
EISBN: 978-1-62708-177-1
... of a pearlite nodule and the effect of various substitutional alloy elements on the eutectoid transformation temperature and effective carbon content, respectively. Peritectic and peritectoid phase equilibria are very common in several binary systems. The article reviews structures from peritectoid reactions...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001022
EISBN: 978-1-62708-161-0
... brought about by the addition of molybdenum to a 0.06% C (max), 1.8% Mn steel. Pearlite transformation is suppressed in these steels, and a ferrite microstructure is obtained over a wide range of cooling rates. This same microstructure can be achieved in small forgings. Figure 3 shows typical thermal...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006228
EISBN: 978-1-62708-163-4
... temperature and effective carbon content. The partitioning effect of substitutional alloying elements, such as chromium, manganese, and silicon, in pearlitic steel is also illustrated. alloying elements chromium eutectoid transformation hypereutectoid structure hypoeutectoid structure Iron-carbon...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005988
EISBN: 978-1-62708-168-9
... for crushing and grinding. In these martensitic white irons, nickel is the primary alloying element because at levels of 3 to 5% it is effective in suppressing the transformation of the austenite matrix to pearlite, and thus ensuring that a hard, martensitic structure (usually containing significant amounts...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006305
EISBN: 978-1-62708-179-5
... element because, at levels of 3 to 5%, it is effective in suppressing the transformation of the austenite matrix to pearlite, and thus ensuring that a hard, martensitic structure (usually containing significant amounts of retained austenite) will develop on cooling in the mold. Chromium is included...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005819
EISBN: 978-1-62708-165-8
... ferrite heat treatment iron-carbon phase diagram isothermal transformation martensite pearlite residual stress steel thermal stress Introduction Heat treatment is roughly defined as controlled heating and cooling of a solid material, so as to change the microstructure and obtain specific...