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decarburization

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Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005966
EISBN: 978-1-62708-166-5
... Abstract This article focuses on the mechanisms, models, prevention, correction, and effects associated with decarburization inherited from semi-finished product processing prior to induction heating. It discusses the diffusion of carbon in austenitic iron, which has a face-centered cubic...
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Published: 01 January 2002
Fig. 72 Micrographs showing different degrees of decarburization. (a) Total decarburization caused by a furnace leak during gas carburizing of AISI 1018 steel. 500×; 1% nital etch. (b) Partially decarburized specimen. 190×. Source: Ref 30 More
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Published: 01 January 2002
Fig. 73 Depth of decarburization of a cold-worked steel in a fluidized bed in air. Source: Ref 30 More
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Published: 01 January 1989
Fig. 16 Decarburization of a TiC coating. Micrograph shows the η phase at the coating/substrate interface of an 85WC-9(Ti,Ta,Nb)C-6Co alloy with an 8 μm (315 μin.) TiC coating. Etched with Murakami's reagent for 3 s. 1500× More
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Published: 01 January 1990
Fig. 16 Decarburization of a TiC coating. Micrograph shows the η phase at the coating/substrate interface of an 85Wc-9(Ti,Ta,Nb)C-6Co alloy with an 8 μm (315 μin.) TiC coating. Etched with Murakami's reagent for 3 s. 1500× More
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Published: 01 January 1990
Fig. 18 Effect of decarburization on the fatigue behavior of a steel More
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Published: 01 January 1990
Fig. 29 Variation in room-temperature notch toughness with depth of decarburization. Specimens of 4340 steel were deliberately decarburized to the indicated depth, then hardened and tempered to 52 HRC. More
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Published: 01 August 2013
Fig. 34 Decarburization on surface of SAE 4122 gear exposed to low-carbon-potential endothermic atmosphere for approximately 1 min at end of carburizing cycle More
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Published: 01 January 2002
Fig. 26 Light micrographs of decarburization observed on cross sections of as-rolled and heat treated AISI 5160H alloy steel spring. (a) Nickel plating on top of scale on an as-rolled specimen. (b) Partial decarburization at the surface of a hardened specimen. (c) Free ferrite and partial More
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Published: 01 December 2004
Fig. 30 Microstructure of UNS G10800 steel bar with decarburization at the surface. 4% picral etch. Original magnification 100× More
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Published: 01 December 2004
Fig. 6 Decarburization in 4118H steel bar, gas carburized 8 h at 925 °C (1700 °F), oil quenched, heated to 845 °C (1550 °F) and held 15 min, oil quenched, and tempered 1 h at 170 °C (340 °F). (a) Completely decarburized surface layer (white), a transition zone of ferrite and low-carbon More
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Published: 01 December 2008
Fig. 3 Schematic of an argon oxygen decarburization vessel More
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Published: 01 December 2008
Fig. 7 Schematic of carbon and low-alloy steel argon oxygen decarburization refining More
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Published: 01 December 2008
Fig. 10 Schematic layout of a vacuum oxygen decarburization converter More
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Published: 01 December 2008
Fig. 11 Comparison of CO partial pressure for the argon oxygen decarburization (AOD), vacuum oxygen decarburization converter (VODC), and vacuum oxygen decarburization (VOD) processes More
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Published: 01 December 2008
Fig. 25 Typical sequence of operations during vacuum oxygen decarburization (VOD) ladle treatment. VCD, vacuum carbon deoxidation; VD, vacuum degassing More
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Published: 30 September 2014
Fig. 105 Micrographs showing different degrees of decarburization. (a) Total decarburization caused by a furnace leak during gas carburizing of AISI 1018 steel, 500×, 1% nital etch; (b) Partially decarburized specimen. 190×. Source: Ref 43 More
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Published: 30 September 2014
Fig. 107 Depth of decarburization of a cold-worked steel in a fluidized bed in air. Source: Ref 43 More
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Published: 30 September 2014
Fig. 110 (a) Decarburization in a 1.3% hypereutectoid steel (1.2% C, 0.17% Si, 0.40% Mn) austenitized at 850°C (1560 °F), water quenched, and tempered at 175 °C (350 °F), 250×, 1% nital; (b) Variation of hardness with depth for the quenched and tempered hypereutectoid steel; (c) Completely More
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Published: 30 September 2014
Fig. 111 (a) Decarburization on a 0.8% carbon eutectoid steel (0.78 C, 0.30 Mn) 50X, picral etchant; (b) Transverse section of a normalized hot-rolled bar Arrows indicate total depth of decarburization 100X picral. Picral etchants define the pearlite and show the ferrite (decarburized regions More