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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410039
EISBN: 978-1-62708-265-5
... The microstructure of carbon steel is largely determined by the transformation of austenite to ferrite, cementite, and pearlite. This chapter focuses on the microstructures produced by diffusion-controlled transformations that occur at relatively low cooling rates. It describes the conditions...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410277
EISBN: 978-1-62708-265-5
.... The chapter concludes with a brief discussion on the mechanical properties of ferrite/pearlite microstructures in medium-carbon steels. annealing ferrite normalizing pearlite spherical carbides spheroidizing THIS CHAPTER DESCRIBES heat treatments that are designed to produce uniformity...
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Published: 01 August 1999
Fig. 5.16 (Part 3) Ferrite-pearlite banding. (i) Pancake arrangement of ferrite and pearlite bands in banded plate. (j) Variation of manganese and silicon contents across representative ferrite-pearlite bands in the specimen shown in Fig. 5.16 (Part 2) (e) . Determined by EPMA. More
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Published: 01 August 2013
Fig. 2.10 Micrographs of (a) coarse pearlite and (b) fine pearlite of eutectoid steel. Source: Ref 2.1 More
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Published: 31 December 2020
Fig. 13 (a) Coarse pearlite and (b) fine pearlite colonies in an AISI-SAE 1080 steel. Fine and coarse refer to the spacing between the lamella, and many more colonies appear in the fine pearlite. 4% picral etch. Original magnification 500× Source: Ref 15 More
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Published: 01 August 2015
Fig. 5.16 Cementite network around pearlite. Proeutectoid cementite and pearlite formation. Picral etch. 500×. Source: Ref 8 More
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Published: 01 June 1985
Fig. 5-5. Microstructural banding shows alternating layers of ferrite and pearlite. Nonmetallic inclusions tend to follow the ferrite bands. More
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Published: 01 December 2018
Fig. 5.7 Microstructure of steel showing pearlite banding More
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Published: 01 December 2018
Fig. 6.6 OD microstructures at (a) far-side location of banded ferrite and pearlite, 200×; and (b) near-side failure location of ferrite grains and degraded pearlite in the form of spheroidization with coagulated carbides, 400× More
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Published: 01 December 2018
Fig. 6.84 (a) Outer-edge microstructure of ferrite-pearlite with erosion marks on outer surface covered with scale, 400×. (b) Scale patches on outer surface, 100× More
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Published: 01 December 2018
Fig. 6.90 Microstructures, (a) at core of ferrite and pearlite, 100×; and (b) at puncture location showing cavitation damage, 400× More
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Published: 01 December 2018
Fig. 6.96 (a) ID surface showing banded ferrite-pearlite and shallow pitting, 200×. (b) Microstructure of ferrite and pearlite with scale at the ID edge, 200× More
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Published: 01 December 2018
Fig. 6.161 (a) Parent metal structure of banded ferrite and pearlite, 400×. (b) Weld microstructure of acicular ferrite with finely distributed carbides, 400×. (c) Unetched view of ID having crack with wide opening and filled with corrosion product, 100×. (d) Corrosion on ID surface, 200× More
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Published: 01 January 2015
Fig. 4.2 Pearlite in a furnace-cooled Fe-0.75C alloy. Picral etch. Original magnification at 500×. Courtesy of A.R. Marder and A. Benscoter, Bethlehem Steel Corp., Bethlehem, PA More
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Published: 01 January 2015
Fig. 4.4 Average true interlamellar spacings of pearlite, S o , as a function of undercooling below Ae 1 for various steels as indicated. Source: Ref 4.2 More
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Published: 01 January 2015
Fig. 4.5 Cross sections of spherical colonies of pearlite (dark) in eutectoid steel. Remainder of microstructure is martensite formed in austenite not transformed to pearlite at the reaction temperature. Original magnification at 250×. Courtesy of A.R. Marder and B. Bramfitt, Bethlehem Steel More
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Published: 01 January 2015
Fig. 4.6 Calculated fraction austenite transformed to pearlite as a function of time for the parameters shown. Source: Ref 4.2 More
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Published: 01 January 2015
Fig. 4.7 Relationship of an isothermal reaction curve for (a) pearlite formation to (b) the time-temperature-transformation diagram. Source: Ref 4.7 More
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Published: 01 January 2015
Fig. 4.8 Variation of nucleation and growth rates for pearlite formation as a function of temperature in a eutectoid steel. Source: Ref 4.12 More
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Published: 01 January 2015
Fig. 4.9 Three dimensional atom maps in the cementite and ferrite of pearlite in a eutectoid steel transformed for 20 seconds at 500 °C (930 °F). Atom Probe Field Ion Micrograph. Source: Ref 4.14 More