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isothermal transformation

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410197
EISBN: 978-1-62708-265-5
... Isothermal and continuous cooling transformation (CT) diagrams help users map out diffusion-controlled phase transformations of austenite to various mixtures of ferrite and cementite. This chapter discusses the application as well as limitations of these engineering tools in the context of heat...
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Published: 01 January 2015
Fig. 6.13 Isothermal transformation diagram for 4340 steel and isothermal heat treatments applied to produce various microstructures for fracture evaluation. Source: Ref 6.16 More
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Published: 01 March 2012
Fig. 15.37 Isothermal transformation diagram for 4340 steel and isothermal heat treatments applied to produce various microstructures for fracture evaluation. Source: Ref 15.24 as published in Ref 15.19 More
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Published: 31 December 2020
Fig. 6 Isothermal transformation (IT) diagram for isothermal annealing of L6 tool steel: Heat at 845 °C (1550 °F); soak to uniform austenite; cool to 650 °C (1200 °F); hold 2 hours at 650 °C (1200 °F); annealed structure of ferrite carbide; cool to room temperature. More
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Published: 01 January 2015
Fig. 4.3 Isothermal transformation diagram for 1080 steel containing 0.79% C and 0.76% Mn. Specimens were austenitized at 900 °C (1650 °F) and had an austenite grain size of ASTM No. 6. Source: Ref 4.7 More
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Published: 01 January 2015
Fig. 5.10 Isothermal transformation curves for martensite formation in an Fe-23 Ni-3.6 Mn alloy. Curves are identified by the percentage of martensite formed. Source: Ref 5.32 More
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Published: 01 January 2015
Fig. 6.14 Impact energy absorbed as a function of isothermal transformation temperature for specimens of 4340 steel. E 0 is total energy absorbed, E 1 is fracture initiation energy, and E 2 is fracture propagation energy. Source: Ref 6.16 More
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Published: 01 August 1999
Fig. 3.4 Isothermal transformation diagram for a 0.06% C steel. More
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Published: 01 August 1999
Fig. 3.5 Isothermal transformation diagram for a 0.35%C steel. More
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Published: 01 August 1999
Fig. 3.6 Isothermal transformation diagram for a 0.54% C steel. More
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Published: 01 August 1999
Fig. 3.7 Isothermal transformation diagram for a 0.89% C steel. More
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Published: 01 August 1999
Fig. 3.8 Isothermal transformation diagram for 1.13% C steel. More
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Published: 01 August 1999
Fig. 3.9 Isothermal transformation diagram for a plain carbon eutectoid steel, snowing the M s and M f isotherms and the C curves. A, 0.01 vol fraction pearlite; B, 0.99 vol fraction pearlite; 0.01 vol fraction upper bainite; D, 0.99 vol fraction upper bainite; E, 0.01 vol fraction lower More
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Published: 01 August 1999
Fig. 3.15 Isothermal transformation diagrams for steels with approximately constant carbon contents but varying manganese contents. (a) Type 1060, 0.63C-0.87Mn. (b) Type 1060mod/1065mod, 0.64C-1.13Mn. (c) Carburized 1320,0.60C-1.88Mn. More
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Published: 01 August 1999
Fig. 3.16 Isothermal transformation diagrams for steels with approximately constant carbon and manganese contents but different silicon contents. (a) Type Fe-C-Mn: 0.5C-0.53Si-0.23Mn-0.05Cr. (b) Type Fe-C-Si: 0.54C-1.27Si-0.23Mn-0.05Cr. More
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Published: 01 August 1999
Fig. 3.17 Isothermal transformation diagrams for steels with approximately constant carbon and manganese contents but different molybdenum contents. (a) Type 1019, 0.17C-0.92Mn. (b) Type 4027, 0.26C-0.87Mn-0.26Mo. More
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Published: 01 January 2015
Fig. 7.13 Acicular ferrite formed by isothermal transformation of a copper-containing HSLA-80 steel transformed for 5000 s at 500 °C (930 °F). Light micrograph, nital etch. Courtesy of M. Kumar, Colorado School of Mines More
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Published: 01 January 2015
Fig. 10.1 Relationship to (a) iron-carbon diagram of isothermal transformation diagrams of (b) eutectoid steel and (c) steel containing 0.5% C. The regions in (a) identified as N, FA, and S are temperature ranges for normalizing, full annealing, and spheroidizing heat treatments, respectively More
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Published: 01 January 2015
Fig. 10.2 Comparison of isothermal transformation diagram for steel with German designation 42CrMo4 (0.38% C, 0.99% Cr, and 0.16% Mo) determined by dilatometry (dashed lines) and metallography (continuous lines). Source: Ref 10.3 More
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Published: 01 May 2018
FIG. 10.14 Edgar C. Bain’s work on isothermal transformation showed a new phase, which was named bainite in his honor. More