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pack cementation boriding

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350095
EISBN: 978-1-62708-315-7
... and environmental conditions are critical to the successful use of these pack-cementation coatings, as long as the effect of the processing thermal cycle on the coating and substrate morphology is understood. Boriding, or boronizing, is a thermochemical surface-hardening process that can be applied to a wide...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350183
EISBN: 978-1-62708-315-7
... Fig. 14 Compares the abrasion resistance of TiN coatings applied by various thin-film processes Fig. 15 Compares the surface hardness of hardened tool steel and a cemented carbide with that of the following surface-hardening processes: TRD, CVD, PVD, boriding, chrome plating, electroless...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
... but other alloys possible Electroslag (ESW) 4 15–35 5–20 High-quality deposits at higher deposit rate than SAW. Limited alloy range Source: Ref 4 Typical characteristics of pack cementation processes Table 6 Typical characteristics of pack cementation processes Process Nature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350001
EISBN: 978-1-62708-315-7
...) chromizing Improved molten-salt hot corrosion Diffusion (pack cementation) aluminizing Improved oxidation resistance, sulfidation resistance, and carburization resistance Diffusion (pack cementation) siliconizing Improved oxidation resistance Boronizing (boriding) Improved wear resistance...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290201
EISBN: 978-1-62708-319-5
... Granule shape = irregular Molding machine = hydraulic, high pressure Metering back pressure = 3.5 MPa (0.5 ksi) Gate diameter = 3 mm (0.12 in.) Barrel temperature = 116 °C (240 °F) Nozzle temperature = 102 °C (215 °F) Peak packing pressure = 5 MPa (0.7 ksi) Screw diameter = 25 mm (1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420015
EISBN: 978-1-62708-310-2
... steels and cemented carbide cutting materials. The compound Fe 3 C (cementite) is important in steels. These compounds have a composition of AB 2 that forms because of the dense packing that can be achieved if the ratio of the B atoms to A atoms ( B / A ) is approximately 1.2. In these phases...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290169
EISBN: 978-1-62708-319-5
... range. The formation of a liquid accelerates sintering. A liquid phase is commonly employed in the production of cemented carbides, oxide ceramics, bronze, cermets, and steels. The microstructure after liquid-phase sintering consists of solid grains bonded to one another with an interpenetrating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350125
EISBN: 978-1-62708-315-7
..., by the pack cementation process described in Chapter 5 , fluidized-bed processing, trowel coating, and electrophoresis. The method of applying the coating is restricted by the type of coating, the type of metal to be coated, and the size and configuration of the work. More detailed information on ceramic...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240041
EISBN: 978-1-62708-251-8
... are extremely hard, and the carbides find application in tool steels and cemented carbide cutting materials. The compound Fe 3 C (cementite) is important in steels. These compounds have a composition of AB 2 that forms because of the dense packing that can be achieved if the ratio of the B atoms...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060197
EISBN: 978-1-62708-261-7
... by heat treatment. Boriding techniques include metallizing, chemical vapor deposition, and pack cementation. With process temperatures in the range of 900 to 1010 °C (1650 to 1850 °F), titanium and carbon will diffuse to form a diffused case of titanium carbide during chemical vapor deposition...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410551
EISBN: 978-1-62708-265-5
..., surface layers of face-centered cubic γ′ Fe 4 N or close-packed hexagonal ε Fe 2 N 1− x may form, as shown in the iron-nitrogen phase diagram (Fig. 21.40) in Chapter 21, “Surface Hardening” ( Ref 22.13 ). In view of the diffusion-controlled increase in nitrogen content of a steel surface produced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
... scoop made from zinc die castings Fig. 9.18 Hard phases in a nickel-base hardfacing alloy (54 HRC) magnified 400×. A, chromium borides; B, Ni eutectic; C, nickel borides Fig. 9.19 Three-body abrasion results on two types of titanium compared with reference materials. * results listed...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630169
EISBN: 978-1-62708-270-9
..., oil-well drilling, steelmaking, cement and clay product manufacture, railroading, dredging and lumbering, and undoubtedly other industries. When hard, abrasive products are crushed, battered, or pounded under extremely high stress, rapid deterioration of the contact surfaces can be expected unless...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290085
EISBN: 978-1-62708-319-5
.... and Petzoldt F. , Standards for Metal Injection Moulding: Progress to Date and Future Challenges , Powder Inj. Mould. Int. , Vol 11 ( No. 1 ), 2017 , p 59 – 66 • Olhero S.M. and Ferreira J.M.F. , Influence of Particle Size Distribution on Rheology and Particle Packing of Silica-Based...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490265
EISBN: 978-1-62708-340-9
... per cycle as a function of rotor diameter (packing diameter in the case of wheel-and-diaphragm-type rotors), surface stress-concentration factor, rate of steam temperature change, and magnitude of steam temperature change. For example, for a 635-mm- (25-in.-) diam rotor with a surface stress...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850165
EISBN: 978-1-62708-260-0
... in the following order: (100), (210), (110), (311). Figure 3-8 , which is from their study, shows oxidation patterns on single-crystal spheres of copper and copper containing 0.1% aluminum (both cubic) and zirconium and hafnium (both hexagonal close-packed). The patterns due to oxidation for cubic metals...