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powder bed fusion

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Published: 01 January 2015
Fig. 8.50 Schematic showing powder-bed fusion technology. Courtesy of Jim Sears More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... the fiber bed. It should be noted that the properties of solvent-impregnated prepreg, powder-coated, comingled, and film-stacked laminates are not as good as those made from hot melt–impregnated prepreg due to the superior fiber-to-matrix bond formed during the hot melt impregnation process. Several...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080259
EISBN: 978-1-62708-304-1
..., intended to reduce NOx emissions, accelerates tube wall wastage. It also covers circumferential cracking in furnace waterwalls, thermal fatigue cracking induced by waterlances and water cannons, superheater-reheater corrosion, and erosion in fluidized-bed boilers. coal-fired boilers combustion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
..., and brazing. It also discusses powder consolidation, rolling, drawing and extrusion, and common forging methods. fabrication finishing forging forming joining material removal powder processing METAL PRODUCTS that are subjected to mechanical reduction operations subsequent to casting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... are produced from powders and how the different methods compare with each other and with conventional production techniques. The methods covered include powder injection molding, spray forming, additive manufacturing, blended elemental processing, and rapid solidification. fatigue limit fracture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060085
EISBN: 978-1-62708-261-7
... the design and operation of melting furnaces as well as melting practices and the role of fluxing. It also discusses casting methods, nonferrous casting alloys, and atomization processes used to make metal powders. atomization foundry casting melting furnaces nonferrous casting alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290279
EISBN: 978-1-62708-306-5
... on the serviceability of the joint should be considered. However, when dissimilar metals are joined by fusion welding processes, alloying between the base metals and a filler metal, when used, becomes a major consideration. The resulting weld metal can behave much differently from one or both base metals during...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2022
DOI: 10.31399/asm.tb.mbheaktmse.t56030001
EISBN: 978-1-62708-418-5
... , p 93 – 96 10.1016/j.scriptamat.2014.11.037 80. Piglione A. , Dovgyy B. , Liu C. , Gourlay C.M. , Hooper P.A. , and Pham M.S. , Printability and Microstructure of the CoCrFeMnNi High-Entropy Alloy Fabricated by Laser Powder Bed Fusion , Mater Lett , Vol 224...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230071
EISBN: 978-1-62708-298-3
... compounds of beryllium. Some of the usual fusion reagents from analytical chemistry have been successfully used for the decomposition of the ore. The reactants hydrofluoric acid and sodium or potassium hydroxide dissolve beryl ore, but the chemical consumption by the silica component is too expensive. Also...
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
... powder is annealed to further remove oxygen and/or carbon and to render it soft. The choice of reducing media (hydrogen, carbon monoxide, or carbon), raw material quality and size, and reduction conditions (temperature, bed depth, etc.) permits the manufacture of powders with a broad range...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2022
DOI: 10.31399/asm.tb.dsktmse.t56050001
EISBN: 978-1-62708-432-1
... sites. This diffusion process is helpful in the sintering of oxide ceramic components by powder metallurgy, as the diffusion helps to improve the sintering process. Fick’s Laws of Diffusion The basic mechanism for the diffusion of atoms was first proposed by Adolf Fick in 1855 using a salt-water...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290201
EISBN: 978-1-62708-319-5
..., starch, or other polymers sprayed onto the powder bed during the build process. There is no known difficulty from these, other than possible retained carbon. 10.1.3 Powders Three powder-fabrication approaches are applied to 17-4 PH stainless steel: prealloyed powder, mixed elemental powder...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.9781627082532
EISBN: 978-1-62708-253-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.9781627083041
EISBN: 978-1-62708-304-1
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350231
EISBN: 978-1-62708-315-7
... to the traditional hand-rubbed finish on silver. C calorizing. Imparting resistance to oxidation to an iron or steel surface by heating in aluminum powder at 800 to 1000 °C (1470 1830 °F). 234 / Surface Engineering for Corrosion and Wear Resistance carbonitriding. A case-hardening process in which a suitable ferrous...
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 2002
DOI: 10.31399/asm.tb.stg2.9781627082679
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
... adhered to the surface to be protected or suspended as a bag within a tank, for example, to provide protection. Hot-applied organisols, or plastisols, again usually of the vinyl family, can also be applied to a surface, typically by dipping or flow coating, to provide a protective film. Powder...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030338
EISBN: 978-1-62708-282-2
...) coatings are heat-activated, chemically cured coating systems. The epoxy coating is furnished in powdered form and, with the exception of the welded field joints, is plant applied to preheated pipe, special sections, connections, and fittings using fluid-bed, air spray, or electrostatic spray methods...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870063
EISBN: 978-1-62708-314-0
... that requires a temperature of 200 °F (95 °C) or higher to initiate cure. However, once cure is initiated, it proceeds at a very rapid rate. Dicyandiamide (dicy) is also a very important latent curing agent used in both prepregs and adhesives. It is a solid powder that must be thoroughly mixed into the resin...