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rammed graphite

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Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005337
EISBN: 978-1-62708-187-0
... of postcast HIP Rammed graphite Investment casting kg lb mm in. mm In. Alba Industrial (Gorky Zavod, Zelenodolsk, Russia) (Norway) 4500 9911 2450 diam × 1950 96 diam × 77 1000 diam × 1950 40 diam × 77 Billet and revert Often Alcoa Howmet Corporation (MI and VA) 730 1600...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005338
EISBN: 978-1-62708-187-0
... skull melting, and vacuum induction melting. Various casting processes, such as rammed graphite casting, static and centrifugal casting, and investment casting are reviewed. The article also provides information on the mechanical and chemical properties of zirconium castings. zirconium castings...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005241
EISBN: 978-1-62708-187-0
..., depending on the methods used. Fig. 2 Wood pattern to produce a rammed graphite mold. Source. Ref 2 Fig. 3 Tapered pattern to ease removal Fig. 1 Cope-and-drag mold halves with cores in place, ready for closing. Source: Ref 1 Fig. 6 Vibratory shakeout of castings...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005242
EISBN: 978-1-62708-187-0
... for expendable molds, namely, ceramic shells and rammed graphite, for casting reactive metals such as titanium or zirconium. ceramic shells coremaking green sand operations titanium zirconium clay resin-bonded sand systems no-bake binder systems heat-cured binder systems cold box binder systems...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001082
EISBN: 978-1-62708-162-7
... technology. It discusses the various types of molding methods, namely, rammed graphite molding, and lost-wax investment molding. The article provides information on the casting design, melting, and pouring practices, and describes the microstructure, hot isostatic pressing, heat treatment, and mechanical...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005306
EISBN: 978-1-62708-187-0
... process (VAR) to the ESR ingot. Investment Casting of Superalloys Titanium castings have been cast in machined graphite molds, rammed-graphite molds, and proprietary investments used for precision investment casting. The principal technology that allowed the proliferation of titanium castings...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005187
EISBN: 978-1-62708-187-0
... Outstanding   Ceramic All 1 Yes Unlimited Outstanding  Rammed graphite Reactive 1 Yes Unlimited …  Nonbonded sand processes   Vacuum molding Aluminum 1 NA Unlimited …   Magnetic molding Ferrous 1 NA Unlimited … Expendable mold with expendable patterns  Lost foam...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003175
EISBN: 978-1-62708-199-3
... Solidification Single Crystal Casting Melting Die Casting Sand Casting Permanent Mold Casting Melting Rammed Graphite Molding Investment Casting Particulate-Reinforced Composites Fiber-Reinforced Composites Casting MMCs Aluminum and aluminum alloys can be melted in a variety...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006385
EISBN: 978-1-62708-192-4
... shape with welding joint along the length of the shape Feeder plate Sits in front of die to balance the metal flow and also to make a continuous extrusion Stem Fitted with the main ram to push the billet through dummy pad Dummy pad/nose Protects the life of expensive stem fitted or floats...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003728
EISBN: 978-1-62708-177-1
... depth ( Fig. 29 ), but with an inferior surface finish compared to the castings produced in rammed graphite molds. Refractory elements such as tungsten, tantalum, and niobium (niobium concentration can be as high as 10 at.%, Ref 58 ) have strong effects on the structure and morphology...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... types of presses Type of press Type of frame Position of frame Action Method of actuation Type of drive Suspension Ram Bed Open-back Gap Straight-side Arch Piller Solid Tie Rod Vertical Horizontal Inclinable Inclined Single Double Triple Crank Front-to-back crank...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002165
EISBN: 978-1-62708-188-7
...Polarity for various electrode-work combinations Table 1 Polarity for various electrode-work combinations Electrodematerials Work materials Steel Tungsten carbide Copper Aluminum Ni-base alloys Graphite +, − − − + +, − Copper + +, − − + + Cu-W...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004006
EISBN: 978-1-62708-185-6
... Source: Ref 44 Typical ram speeds for commonly extruded alloys Table 5 Typical ram speeds for commonly extruded alloys Material Ram stem speed mm/s in./s Steel 152–203 6–8 Copper 51–76 2–3 Aluminum 12.7–25.4 1 2 −1 Brass 25–51 1–2 Source: Ref 1...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006080
EISBN: 978-1-62708-175-7
...) Cross section showing regional subdivisions. (c) Link-node network representation of the part topology for expert system design decisions Fig. 11 Cross section of resistance-heated graphite die assembly built into hydraulic press. Arrangement provides for telescoping controlled-atmosphere...
Book Chapter

By G. Keough
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005203
EISBN: 978-1-62708-187-0
.... , Wood F.W. , Borg J.O. , and Gilbert H.L. , “Production of Titanium Castings,” Report 5265, U.S. Bureau of Mines , Aug 1956 , p 42 2. Kroll W.J. , Anderson C.T. , and Gilbert H.L. , A New Graphite Resistor Vacuum Furnace and Its Application in Melting...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005198
EISBN: 978-1-62708-187-0
...-bonded or ceramic-bonded vessels. Silicon carbide crucibles are a widely used type of carbon-bonded crucibles, and clay-graphite crucibles are a good example of ceramic-bonded vessels. It is important to discern which type is appropriate for a given application. Table 1 lists the several shapes...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003180
EISBN: 978-1-62708-199-3
... angle in a 60° V-die at a ram speed of 254 to 3050 mm/min (10 to 120 in./min). (a) t, sheet thickness Elongation and true strain in forming refractory metal sheet of various thicknesses and grain directions Table 5 Elongation and true strain in forming refractory metal sheet of various...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
..., screw-type, and multiple-ram). It further discusses the technologies used in the design of dies, terminology, and materials selection for dies for the most common hot-forging processes, particularly those using vertical presses, hammers, and horizontal forging machines. A brief section is included...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003051
EISBN: 978-1-62708-200-6
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006297
EISBN: 978-1-62708-179-5
... Iron , Trans. Am. Foundry Soc. , Vol 96 , 1988 , p 423 – 430 25. Ivan N. , Chisamera M. , and Riposan I. , Graphite Degeneration in Surface Layer of Ductile Iron Castings , Int. J. Cast Met. Res. , Vol 26 ( No. 3 ), 2013 , p 138 – 142 26. Carey P.R...