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bonded-particle filters

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Published: 30 November 2018
Fig. 23 (a) Ceramic foam filter. (b) Bonded-particle filter. Courtesy of Pyrotek More
Image
Published: 01 December 2008
Fig. 19 Schematic of low-pressure furnace with bonded-particle filter More
Image
Published: 01 December 2008
Fig. 16 Box filters. (a) All-media bonded-particle box filter. (b) All-media box filter employed in a dip-well More
Image
Published: 30 November 2018
Fig. 25 Box filters. (a) All-media bonded-particle box filter. (b) All-media box filter employed in a dip well and (c) in a crucible furnace More
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005351
EISBN: 978-1-62708-187-0
... filters, including bonded-particle filters, cartridge filters, and ceramic foam filters. It lists the factors that are important in achieving optimum performance of any in-furnace filtering application. The article concludes with information on filtered metal quality and the methods of evaluation...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006535
EISBN: 978-1-62708-207-5
.... Treatment with salt fluxes or active fluxing gases changes the interfacial relationship of included particles with the melt so that gravitational separation is facilitated. Fluxing with argon, nitrogen, and/or other gases results in flotation of entrained matter, while dissolved hydrogen is reduced...
Image
Published: 01 December 2004
Fig. 53 Cu-8Sn filter powder, gravity sintered 30 min at 870 °C (1600 °F) in dissociated ammonia. Arrows N show bonding between particles. Dark areas are pores filled with epoxy. As-polished. 65× More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006134
EISBN: 978-1-62708-175-7
... particle sizes range from 10 to 2000 micrometers in diameter depending on the powder type. Fig. 1 Gas-atomized, prealloyed bronze powder particles with a size range of 45 to 100 micrometers that are gravity-sintered to 64% density in order to yield a 10 micron filter grade. 100× Fig. 2 Tin...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003135
EISBN: 978-1-62708-199-3
.... Sintering The compacted parts are sintered at elevated temperatures under protective conditions to avoid oxidation. During this process the powder particles are metallurgically bonded to each other. Typical sintering times and temperatures for copper P/M parts production are given in the following...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006544
EISBN: 978-1-62708-290-7
... to real-world cases of large particle flows, as well as very limited access to fundamental powder flow mechanics, personnel will tend to fill in missing knowledge with what they do know. Take, for example, fluid flow. With fluids, engineers learned that more pressure on a fluid will lead to enhanced flow...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001291
EISBN: 978-1-62708-170-2
... Abstract This article describes the characteristics of continuous cathodic arc sources and filtering process for removing macroparticles from a cathodic arc. It provides information on the types of arc sources and the properties of deposited materials. The advantages, limitations...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001070
EISBN: 978-1-62708-162-7
.... The ability to achieve close control of porosity and pore size is the main reason metal powders are used in filter applications. Most producers of nonferrous filters prefer atomized spherical powder of closely controlled particle size to allow production of filters within the desired pore range. The effective...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003434
EISBN: 978-1-62708-195-5
... composite surfaces and peel ply removal from cured parts at a distance from any uncovered prepreg or uncured film adhesive, removal of particles by vacuuming or solvent wiping, hand-sanding to prepare cured bond faying surfaces for bonding if done away from any uncovered prepreg or uncured film adhesive...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003052
EISBN: 978-1-62708-200-6
... synthesis comminution granulation particle size distribution IN PROCESSING CERAMIC POWDERS, the key considerations are the: Raw materials Processing additives Methods used for comminution, batching and mixing, granulation and spray drying, calcination, chemical synthesis, and filtration...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005193
EISBN: 978-1-62708-187-0
... when melts are held for extended periods in the furnace. When small oxide particles are formed, they may not sink but may become suspended in the melt. In high-quality castings, these particles must be removed; ceramic filters have been used to remove the particles, as mentioned earlier...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001733
EISBN: 978-1-62708-178-8
... particle beam, or an x-ray beam. In most sample matrices, x-ray spectrometry can detect elements at concentrations of less than 1 μg/g of sample (1 ppm); in a thin film sample, it can detect total amounts of a few tenths of one microgram. Initially, x-ray spectrometry found wide acceptance in applications...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001747
EISBN: 978-1-62708-178-8
...-bearing compounds. The type of metal atom available and its compatibility with the types and concentrations of atmospheric gases available under the temperatures and pressures to which the material is exposed determines the types of metallic compounds formed. Although the bond at low temperatures...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002151
EISBN: 978-1-62708-188-7
... 122 0.0048 180 86 0.0034 220 66 0.0026 240 63 0.0024 280 44 0.0017 320 32 0.0012 400 23 0.0009 500 16 0.0006 600 8 0.0003 900 6 0.0002 Levigated alumina 3 0.0001 Note: Grit size varies indirectly with particle size. Bond Designation and Grain...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003486
EISBN: 978-1-62708-195-5
... preform is nitride bonded (thermally treated in a nitrogen atmosphere), which results in a material composed of SiC fibers in a matrix of SiC and Si 3 N 4 . Hot gas filters: Al 2 O 3 -Al 2 O 3 composites are being evaluated for use as hot gas filters in advanced coal-fired energy applications...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0005692
EISBN: 978-1-62708-178-8
... signal anion. An ion that is negatively charged and on backscattered electron signal. See also strength for an element due to the physical moves toward the positive pole (anode) backscattered electron. environment of the emitting atom and not during electrolysis. See also cation, ion. due to bonding...