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pearlite

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Published: 01 January 2002
Fig. 4 Hot-rolled 1022 steel showing severe banding. Bands of pearlite (dark) and ferrite were caused by segregation of carbon and other elements during solidification and later decomposition of austenite. Nital. 250×. Courtesy of J.R. Kilpatrick More
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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
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Published: 01 January 2002
Fig. 24 Temperature-time plot of pearlite decomposition by the competing mechanisms of spheroidization and graphitization in carbon and low-alloy steels. The curve for spheroidization is for conversion of one-half of the carbon in 0.15% C steel to spheroidal carbides ( Ref 8 , 9 ). The curve More
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Published: 01 January 2002
Fig. 83 Microstructure of the nominal 0.2% C steel. Pearlite is very coarse, with thick cementite plates in some locations, and there is a large amount of free cementite in the grain boundaries. Source: Ref 82 More
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Published: 01 January 2002
Fig. 29 Temperature-time plot of pearlite decomposition by spheroidization and graphitization. The curve for spheroidization is for conversion of one-half of the carbon in 0.15% C steel to spheroidal carbides. The curve for graphitization is for conversion of one-half of the carbon in aluminum More
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Published: 01 January 2002
Fig. 9 Summary of fatigue-crack-growth data for ferrite-pearlite steels. Source: Ref 9 More
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Published: 01 June 2019
Fig. 5 Influence of austenite grain side d γ and pearlite colony size d ρ on fatigue crack initiation life N i More
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Published: 01 June 2019
Fig. 2 The pearlite colony size and fine spacing of the lamellae typical of the prestressing wire are shown. The dark, blocky phase between the pearlite colonies and at grain boundaries is pro-eutectoid ferrite. The coarser lamellae spacings here are about 0.1 to 0.2 microns. More
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Published: 01 January 2002
Fig. 5 Representative microstructures of carbon steel tubes. (a) Lamellar pearlite of a tube before service. (b) Spheroidization of iron carbide (Fe 3 C) in steel tube after exposure to long heating at 540 °C (1000 °F). (c) Graphitization that occurred in a carbon steel component More
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Published: 01 January 2002
Fig. 43 Light micrograph of a ferrite-pearlite microstructure from a carbon steel reinforcing rod revealed using replicating tape. Specimen etched with picral More
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Published: 01 June 2019
Fig. 5 Upper bainitic structure with aligned grains of unresolved pearlite (black). 100 × More
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Published: 01 June 2019
Fig. 3 Cleavage of a pearlite grain. 1250 × More
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Published: 01 June 2019
Fig. 4 Slip line in a pearlite grain. Carbon replica. 15 000 × More
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Published: 01 June 2019
Fig. 5 Cleavage of a pearlite grain. Carbon replica. 10 000 × More
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Published: 01 June 2019
Fig. 15 TEM replica of the ferrite/pearlite structure at C in Figure 2 showing fresh pearlite lamellae; picral etch; 4400×. More
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Published: 01 June 2019
Fig. 16 TEM replica of ferrite/pearlite structure at D in Figure 2 showing both fresh pearlite lamellae and partially dissolved pearlite lamellae, picral etch; 4400×. More
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Published: 01 June 2019
Fig. 10 Unbroken piston showing ferrite/pearlite structure at comparable position to Fig. 9 . 1000 × More
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Published: 01 June 2019
Fig. 4 Microstructures of the cracked casting. (a) Ferrite/pearlite matrix is representative of the cracked casting. 100x. (b) Structure of cracked casting adjacent to the gas defect. The white constituents in the dark pearlite zone are carbides. White regions in the fine type D graphite More
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Published: 01 December 1993
Fig. 15 Same region shown in Fig. 14 , but in the etched condition. A pearlite and ferrite structure was revealed. Nital etch. 200× More
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Published: 01 December 1993
Fig. 5 Microstructure of U-bend sample T4. The microstructure consists of pearlite in a ferrite matrix. Nital etch. 608×. More