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surface oxidation

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560361
EISBN: 978-1-62708-291-4
... Abstract This chapter discusses the thermally induced changes that occur on the surface of steel exposed to different environments. It explains how oxide scales form during heat treating and how factors such as temperature, composition, and surface finish affect growth rates, grain structure...
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Published: 01 January 2015
Fig. 21.22 Surface oxidation in a gas carburized 8627 steel containing 0.92% Mn, 0.27% Si, 0.51%Cr, 0.22% Mo, and 0.52% Ni. Aspolished, Ni-plated surface (for edge retention), light micrograph. Source: Ref 21.42 More
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Published: 01 January 2015
Fig. 21.23 Surface oxidation in a carburized 20MnCr5 steel containing 1.29% Mn, 0.44% Si, 1.24% Cr, 0.25% Ni, and 0.0015% B. Aspolished, Ni-plated surface, SEM micrograph. Source: Ref 21.42 More
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Published: 01 June 2007
Fig. 5.29 SEM and Auger line analysis of 316L surfaces containing surface oxides formed during cooling. Reprinted with permission from MPIF, Metal Powder Industries Federation, Princeton, NJ More
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Published: 30 June 2023
Fig. 9.17 Breakdown of the surface oxide layer More
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Published: 01 September 2008
Fig. 59 Intergranular oxidation of the surface along prior grain boundaries in a carburized steel. Original magnification: 1000×. Source: Ref 78 More
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Published: 01 December 1999
Fig. 1.23 Effect of internal oxidation and surface microhardness on the fatigue properties of 4 mm modulus gears. See also Table 1.4 . IO, internal oxidation. (a) Fatigue strength plots for 4 mm modulus gears. Information on case-hardened gears given in Table 1.4 . Source: Ref 26 . (b More
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Published: 01 November 2010
Fig. 14.3 Oxidation on the surface of a woven carbon fabric composite part as a result of short-term ultraviolet-light exposure. The oxidation is found to have penetrated only approximately 5 μm deep into the surfacing film in this time period. Transmitted light, phase contrast, 20× objective More
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Published: 01 November 2010
Fig. 14.4 Micrograph showing oxidation on the surface of a woven carbon fabric composite after 10 years of sunlight exposure. Epi-fluorescence, 390–440 nm excitation, 25× objective More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410499
EISBN: 978-1-62708-265-5
..., carbonitriding, and nitrocarburizing. The discussion on carburizing addresses several interrelated factors, including processing principles, alloying, surface oxidation, residual stresses, bending fatigue, contact fatigue, and fracture. carbonitriding carburizing ferritic nitrocarburizing flame...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030237
EISBN: 978-1-62708-349-2
... properties of a composite part. Thermo-oxidative degradation begins at the surface and progresses further into a composite part with time. The depth of the oxidative degradation (thermo-oxidation) is a function of the exposure temperature, the length of time of thermal exposure, and the chemistry...
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Published: 30 June 2023
Fig. 10.16 Anodizing. (a) Growth of aluminum oxide surface layer due to anodizing process. (b) SEM photomicrograph of anodized surface layer on 6061-T6 aluminum sheet. Source: Alcoa More
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Published: 01 December 2018
Fig. 6.46 Schematics showing formation of oxide layers on steel surface at (a) temperature <570 °C (1060 °F) and (b) temperature >570 °C More
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Published: 01 August 2018
Fig. 11.59 Surface lap in hot rolled product, containing oxide particles inside the lap. For the metallography, the sample was mounted in contact with another plate (top, in the figure) to preserve the surface area to avoid rounding it during grinding and polishing. More
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Published: 01 November 2007
Fig. 5.60 Oxide scale and no evidence of metal dusting on the surface of a Multimet alloy fan box exposed to flowing carburizing gas (same fan box as that shown in Fig. 5.59 ). The sample was plated with nickel before mounting for metallographic examination. More
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Published: 01 October 2005
Fig. CH34.3 Mud cracking on the oxide layer of fracture surface More
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Published: 01 November 2007
Fig. 10.55 Optical micrograph showing a very thin oxide scale on the surface of the 309 overlay on a waterwall tube (T11) after 7 years of service subjected to steam sootblowing in a supercritical boiler, revealing no evidence of erosion/corrosion damage or cracking. The 309 overlay More
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Published: 01 December 1999
Fig. 8.6 Maximum surface temperature during dry grinding with aluminum oxide or cubic boron nitride (CBN) of a bearing steel. Source: Ref 10 More
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Published: 01 June 2007
Fig. 21 SEM image of as-sintered surface of a 316L part showing spherical oxides formed during cooling from the sintering temperature. These are oxides of silicon, and their formation is promoted by a high dew point of the sintering atmosphere and slow rate of cooling from sintering More
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Published: 01 June 2007
Fig. 22 SEM image of as-sintered surface of a 434L part showing an oxide free surface, achieved by sintering in a low dew point sintering atmosphere, followed by rapid cooling More