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oxynitriding

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Published: 01 December 2003
Fig. 11 Schematic illustration of the oxynitriding process More
Image
Published: 01 December 2003
Fig. 12 Examples of oxynitrided piston rods. Center rod: before treatment. Two rods at left: untreated and subjected to salt spray testing. Two rods at right: treated, then subjected to salt spray testing. Material is similar to UNS G41400 and H41400 chromium-molybdenum steels. Courtesy More
Image
Published: 01 December 2003
Fig. 5 Towing ball hitch treated by the oxynitride process (right) and untreated (left). Both subjected to salt spray test. Courtesy of Plateg GmbH More
Image
Published: 01 December 2003
Fig. 8 Shafts treated by the oxynitride process (right) and untreated (left). Both subjected to salt spray test. Courtesy of Plateg GmbH More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900071
EISBN: 978-1-62708-350-8
... of the plasma generation technique for nitriding. It concludes with processes involved in oxynitriding. compound zone corner effect glow discharge ion nitriding oxynitriding plasma generation techniques GAS IONIZATION is a method of causing a gas to develop an electrical imbalance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900111
EISBN: 978-1-62708-350-8
... and oxynitriding processes in the fluidized-bed furnace. It also explains how to operate the fluid bed for nitriding. The chapter provides a discussion on the measurement of the gas dissociation. fluidized-bed furnaces gas dissociation gas nitriding oxynitriding A FLUIDIZED-BED FURNACE SYSTEM can...
Image
Published: 01 October 2012
Fig. 11.4 Relative material temperature limits. CFRP, carbon fiber-reinforced plastic; GMC, glass-matrix composite; MMC, metal-matrix composite; GCMC, glass-ceramic-matrix composite; CMC, ceramic-matrix composite; C-C, carbon-carbon; SiAlON, silicon-aluminum-oxynitride. Source: Ref 11.1 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900231
EISBN: 978-1-62708-350-8
... condition. A major difference is that the plasma-assisted ferritic nitrocarburizing furnace usually will have an additional source of oxygen for the subsequent oxynitride procedure, which provides surface enhancement by deliberate surface oxidation. Improvement in corrosion resistance is shown in Fig. 4...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900185
EISBN: 978-1-62708-350-8
.... This is the principle behind the oxynitride procedure, where the steel surface is deliberately oxidized in a controlled manner to improve its corrosion resistance. Many engineers have been unnecessarily concerned regarding surface discoloration after the gas nitriding process. Case Exfoliation When the case...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900089
EISBN: 978-1-62708-350-8
... voltage Amperage Chamber pressure Workpiece temperature Current density Nitrogen gas flow Hydrogen gas flow Methane gas flow Oxidizing gas for oxynitriding flow rate Process time Temperature rise rate Temperature cooldown rate These parameters, along with a few...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900001
EISBN: 978-1-62708-350-8
... to the materials application and its mechanical requirements. Nitriding often is applied to low-alloy steels to “harden” the steel and improve corrosion resistance. In addition to conventional nitriding, the following processes have been developed: Oxynitride process, during which a controlled postoxidation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900139
EISBN: 978-1-62708-350-8
... of the oxynitride ( Ref 16 ). Consequently, in our studies, we researched the actual kinetics of compound zone formation in long nitriding with an aim to establish the SR in such a cycle. The 3% Cr-Mo-V steel we investigated is used in the gear industry to achieve an exceptionally deep case. It was then very...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120025
EISBN: 978-1-62708-269-3
... not contain hard, brittle, and refractory titanium oxide, titanium nitride, or complex titanium oxynitride particles. These particles, if retained through subsequent melting operations, could act as crack initiation sites in the final product. Although carbon, nitrogen, oxygen, silicon, and iron commonly...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110379
EISBN: 978-1-62708-247-1
... yes yes 5000-6500 Gold HBr + BCl3 (50-90°C) 200 0-600 6 yes yes 1600 Indium (In) & Al containing III-V HBr + BCl3 (50-90°C) 200 0-600 5 yes yes 1000-1500 Indium Phosphide (InP) CH4 + H2 20-200 0-300 5 yes yes 3-500 Oxynitride CF4 + 5% O2 100 No 150...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240527
EISBN: 978-1-62708-251-8
... nitride, or complex titanium oxynitride particles that, if retained through subsequent melting operations, could act as crack initiation sites, especially during fatigue loading. The product flow for various titanium product forms is shown in Fig. 28.8 . Fig. 28.8 Titanium product flow...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
.... The grains are bonded to one another during processing at elevated temperature. Silicon carbide (SiC), silicon nitride (Si 3 N 4 ), alumina (Al 2 O 3 ), and silicon aluminum oxynitride (Sialon) belong to the advanced ceramics category. Intentionally or otherwise, the silicon nitrides and Sialons...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740001
EISBN: 978-1-62708-308-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
..., silicon-aluminum-oxynitride. Source: Ref 11.1 Applications for CMCs fall into four major categories: Cutting tool inserts Wear-resistant parts Aerospace and military applications Other industrial applications, including engines and energy-related applications 11.1...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
... the unique properties of B 4 C, namely, military armor. SiAlON SiAlON is an acronym for silicon-aluminum-oxynitride. SiAlON is fabricated in several ways but is typically made by reacting Si 3 N 4 with Al 2 O 3 and AIN at high temperatures. SiAlON is a generic term for the family of compositions...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230143
EISBN: 978-1-62708-351-5
... and oxynitride glasses are preferred with nitride and carbide ceramics. It is advisable to consult the supplier on their conditions of use and likely properties. Direct, selective metallization by a different route has been developed for alumina and aluminum nitride. This has a particular attraction...