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pack cementation

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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
... Abstract This chapter provides practical information on surface treatments that work by altering the surface chemistry of metals and alloys. It discusses the use of phosphate and chromate conversion coatings as well as anodizing, steam oxidation, diffusion coatings, and pack cementation. The...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
... inspection and quality assurance. The next section discusses the methods by which metals, and in some cases their alloys, can be applied to almost all other metals and alloys: electroplating, electroless plating, hot dipping, thermal spraying, cladding, pack cementation, vapor deposition, ion implantation...
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
... coatings and various pack cementation and deposition processes. It also discusses the selection and use of industrial paints and paint application methods. buffing cleaning coating honing mass finishing SURFACE FINISHES AND COATINGS are used in a variety of ways to improve the material...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290201
EISBN: 978-1-62708-319-5
... particles, each being a single element. This is the least common formulation. Master alloy approaches mix carbonyl iron powder with alloy powder that concentrates the additives (51% Cr, 12% Cu, 12% Ni, 24% Fe, and 0.7% Nb, with traces of silicon and manganese). To improve powder flow and packing, some of...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290009
EISBN: 978-1-62708-319-5
... Abstract This chapter introduces the key powder fabrication attributes to assist in the identification of the right powders for an application. First, it describes the characteristics of engineering powders such as particle size distribution, powder shape and packing density, surface area...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350001
EISBN: 978-1-62708-315-7
... antiscuffing characteristics of ferrous alloys Diffusion (pack cementation) chromizing Improved molten-salt hot corrosion Diffusion (pack cementation) aluminizing Improved oxidation resistance, sulfidation resistance, and carburization resistance Diffusion (pack cementation) siliconizing Improved...
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
... of plasma carburizing over conventional methods, despite the reduced carburizing times and more uniform case depths associated with plasma methods. A similar situation exists for gas nitriding and plasma (ion) nitriding. The more specialized pack-cementation diffusion processes, such as...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280287
EISBN: 978-1-62708-267-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350125
EISBN: 978-1-62708-315-7
... 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870573
EISBN: 978-1-62708-314-0
... densification Inspection The process flow for the powder method is shown in Fig. 21.7 . A uniform, fine dispersion of the reinforcement and matrix powder helps minimize voids in the consolidated composite. When the constituents are not effectively packed, densification becomes more difficult...
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: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170540
EISBN: 978-1-62708-297-6
... viable commercial life of its own. At temperatures below 417 °C (783 °F), cobalt exhibits a hexagonal close-packed (hcp) structure (ε-cobalt). Between 417 °C (783 °F) and its melting point of 1493 °C (2719 °F), cobalt has a face-centered cubic (fcc) structure (α-cobalt). Although the principal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
... speeds and longer tool life can be achieved when machining these materials with whisker-reinforced Al 2 O 3 . Fig. 11.8 Tool life of ceramic, ceramic-matrix composite, and cemented carbide materials when machining Inconel 718 (feed of 0.2 mm/rev; depth of cut of 2 mm). Source: Ref 11.4...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060197
EISBN: 978-1-62708-261-7
.... But when the solute atoms occupy substitutional positions (such as nickel in iron) the martensite is soft and ductile. In steels, the hardness of martensite is a function of carbon content ( Fig. 9.10 ). The high hardness is due to the fact that the bct structure of martensite is less densely packed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740373
EISBN: 978-1-62708-308-9
.... Spherically shaped powders have the lowest green strength and are therefore generally not usable for room-temperature die compaction. Conversely, spherically shaped powders are often preferred in other P/M processes (i.e., hot isostatic pressing, powder extrusion, and PIM) because of their higher packing and...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.9781627083263
EISBN: 978-1-62708-326-3
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740213
EISBN: 978-1-62708-308-9
...) Schematic of wear mechanisms. (b) Crater wear on a cemented carbide tool produced during the machining of plain carbon steel. Original magnification: 15×. (c) Abrasive wear on the flank face of a cemented carbide tool produced during the machining of gray cast iron. Original magnification: 75×. (d) Depth-of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420015
EISBN: 978-1-62708-310-2
... 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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290035
EISBN: 978-1-62708-319-5
... foamed, it is known as Styrofoam (Dow Chemical Co.) and is used for food containers and pellets for packing. Beyond these common polymers encountered in powder-binder feedstock formulations, hundreds of less-common polymers are encountered. This is evident in patents, where novel formulations are...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290085
EISBN: 978-1-62708-319-5
... analyzed for attributes, such as carbon content, particle size, or packing density. Such testing carried out during mixing of iron, graphite, and stearate lubricants found carbon variation during the early stages of mixing was quite high. However, after 10 min of mixing, the behavior stabilized. Thus...