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gravity feed infiltration

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Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006099
EISBN: 978-1-62708-175-7
...Abstract Abstract This article provides information on the infiltration mechanism of carbide structures. It reviews the basic techniques used for metal infiltration, including dip infiltration, contact filtration, gravity feed infiltration, and external-pressure infiltration. The article...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006488
EISBN: 978-1-62708-207-5
...Abstract Abstract In general, metal-matrix composites (MMCs) are classified into three broad categories: continuous fiber-reinforced composites, discontinuous or short fiber-reinforced composites, and particle-reinforced composites. This article focuses on stir casting and melt infiltration...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006569
EISBN: 978-1-62708-290-7
.... With a hopper system, powder is held above the build area and is gravity fed into a dispensing mechanism or “recoater,” which deposits the material on top of the build area. Other methods for dispensing powders can be used (such as a feed area that moves in reverse of the build area by pushing material upward...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003175
EISBN: 978-1-62708-199-3
...-to-solidus spreads and freeze in a mushy manner making feeding very difficult. Oxide films in the casting form planes of weakness that nucleate failure under load. Much of the scatter in mechanical properties of cast aluminum alloys results directly from the presence of these films. When they are absent...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003420
EISBN: 978-1-62708-195-5
...-reinforced aluminum-boron composite. Shown here are 142 μm diam boron filaments coated with B 4 C in a 6061 aluminum alloy matrix. Fig. 3 Discontinuous Al-SiC MMC (60 vol% SiC) produced by the liquid metal infiltration process Fig. 4 SiC whisker-reinforced (20 vol% SiC) aluminum alloy...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005261
EISBN: 978-1-62708-187-0
... of referring to all metal mold processes as die casting (low-pressure die casting, gravity die casting, high-pressure die casting, etc.). Low-pressure casting is a process where molten metal is introduced to the mold by the application of pressure to a hermetically-sealed metal bath, forcing the molten...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001105
EISBN: 978-1-62708-162-7
... Simple or complex shapes … Medium Low to high Hot extrusion Depending on press capacity Long pieces with uniform cross sections Alloy steel dies High Low Infiltration Depending on equipment Intricate shapes feasible Graphite and ceramic molds Low High Comparison of transverse...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0005586
EISBN: 978-1-62708-170-2
... balance BARE biased activated reactive evaporation bcc body-centered cubic bct body-centered tetragonal Bé Baumé (specific-gravity scale) BUE built-up edge c edge length in crystal structure; speed of light; specific heat; constant; conductivity C...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003163
EISBN: 978-1-62708-199-3
... matrix Fig. 4 Discontinuous Al/SiC MMC (60 vol% SiC) produced by the liquid-metal infiltration process Fig. 3 Typical microstructure of an aluminum-matrix composite containing 20 vol% SiC. 125× Fig. 2 Effect of reinforcement volume fraction on the properties of aluminum...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005730
EISBN: 978-1-62708-171-9
...-chromium-aluminum coating used to study the tensile adhesion test as listed in Table 1 Fig. 4 Standard V-block set at an incline for gravity bonding of tensile specimens Fig. 24 Schematic of the pin-on-disk apparatus Fig. 25 Schematic of the block-on-ring apparatus...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005531
EISBN: 978-1-62708-197-9
... part shape in one step, followed by removal of support structures, while those produced by 3-D printing require subsequent sintering or sintering and infiltration to achieve structural integrity but do not require support structures. Thermally bonded powders often have properties that exceed cast...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005307
EISBN: 978-1-62708-187-0
...—immersion zinc alloying, remelting, laundering, and holding—can be used to gravity feed a number of die casting machines. In this type of system, cold-charged metal has little, if any, effect on the temperature of the metal in the holding furnace of the die cast machine. The laundering and holding...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002481
EISBN: 978-1-62708-194-8
.... Shape control is achieved by binding the abrasive into a grinding wheel, a honing stick, or onto a backing paper or cloth (coated abrasives). Originally used only for finishing to close tolerances and good surface finish, creep-feed grinding rates have increased to where the process can be competitive...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009015
EISBN: 978-1-62708-187-0
... to medium …  Sand mold All 2 Yes Small to medium … Permanent mold and semipermanent mold Gravity   Static top pour Nonferrous and metal-matrix composites (MMCs) 3 Yes Medium to large …   Tilt pour Nonferrous 3 Yes Medium to large …   Low-pressure permanent mold (LPPM...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006075
EISBN: 978-1-62708-175-7
... influences may cause air infiltration. Fig. 21 Furnace stacking Fig. 17 Flow exiting the door prevents air infiltration Fig. 16 Furnace schematic showing location of door openings, stack, and curtain boxes Fig. 18 Schematic of curtains and curtain boxes Fig. 3...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
..., namely, discontinuously reinforced composites and continuous-fiber-reinforced composites. Processing methods include cold pressing, sintering, hot pressing, reaction bonding, melt infiltration, directed metal oxidation, sol-gel and polymer pyrolysis, self-propagating high-temperature synthesis...
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
... in a mold feeding system Fig. 11 Horizontal installation of filter off of the sprue well Fig. 13 Patented direct-pouring filter. Courtesy of FOSECO Metallurgical Inc. Fig. 12 Placement of filters (shaded). Filters may be placed in (a) each ingate, (b) one central location...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005926
EISBN: 978-1-62708-166-5
...—An Introduction” in this Volume. Practical Flow Formula Control of the flow of gases through a furnace chamber is important to ensure that sufficient atmosphere gas is being admitted to the furnace to seal the mechanical leaks against air infiltration or that a vestibule is being purged rapidly enough...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006135
EISBN: 978-1-62708-175-7
... (68 °F) and 1 atmosphere Table 1 Typical physical properties of various gaseous feed stocks at 20 °C (68 °F) and 1 atmosphere Property Natural gas (CH 4 ) Ammonia vapor (a) Air Propane gas Methanol vapor (a) Nitrogen gas Hydrogen gas Specific gravity (b) 0.59 0.60 1.00...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006519
EISBN: 978-1-62708-207-5
... 2003 11. Rama Prasad T.V. , Kondic V. , and Thomas S.P. , Basic Elements of Feeding Investment Castings , American Foundrymen's Society , 1994 12. Present H. and Rosenthal H. , Feeding Distance of Bars in Investment Molds , Trans. AFS , Vol 69 , 1961 , p...