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slurry casting

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Published: 01 January 1990
Fig. 9 (a) Automated slurry coating of an investment casting mold. (b) Cutaway view of a shell mold for an air-cooled turbine blade casting. Source: Ref 5 More
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Published: 01 January 2001
Fig. 3 Micrographs of a melt infiltrated composite reinforced with Sylramic SiC fiber. The preform was made from two-dimensional cloth and was prepared by using a CVI method, followed by slurry casting and silicon melt infiltration. More
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Published: 01 November 1995
Fig. 16 Drying behavior for a tape-cast slurry. Source: Ref 49 More
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006498
EISBN: 978-1-62708-207-5
... at this low speed will likely result in solidification of the liquid metal before the castings are fully filled. However, because semisolid slurries have 5 to 50% solid particles dispersed in the liquid, their viscosities are higher than those of fully liquid alloys, and at the high end of this solid...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005249
EISBN: 978-1-62708-187-0
... Abstract This article discusses slurry molding that encompasses two distinct processes: plaster molding and ceramic molding. Plaster mold casting is a specialized casting process used to produce nonferrous castings that have greater dimensional accuracy, smoother surfaces, and more finely...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003372
EISBN: 978-1-62708-195-5
... with a carbon-producing resin or by using CVI methods to produce a porous preform, followed by slurry casting SiC particles into the open porosity of the preform. Densification of the porous preform is accomplished by silicon infiltration. The infiltration step is done in vacuum, at a temperature above...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005224
EISBN: 978-1-62708-187-0
... Abstract Semisolid metal (SSM) processing is a special die casting process, where partially solidified metal slurry is injected into a die cavity to form die cast components. This article discusses the flow behavior of an SSM slurry with emphasis on viscosity, rheological behavior, and yield...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005274
EISBN: 978-1-62708-187-0
... Abstract This article illustrates various rheocasting processes. These include new rheocasting, semisolid rheocasting, subliquidus casting, rheo-diecasting, swirled enthalpy equilibration device process, slurry-on-demand process, and continuous rheoconversion processes. rheocasting...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005272
EISBN: 978-1-62708-187-0
... slurry (typically, 50% liquid/50% solid instead of fully liquid metal) is injected into a die cavity to form a die-cast type of component. The origin of SSM can be traced to experiments conducted by David Spencer at Massachusetts Institute of Technology (MIT) in 1971 as part of his doctoral thesis...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005255
EISBN: 978-1-62708-187-0
... and cores, detailing the binders and other materials used, as well as the formulation and control of slurries. Methods for pattern removal, mold firing, melting, casting, postcasting treatment, and inspection are explained. After presenting design recommendations for investment castings, the article...
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
... on a casting produced in a monolithic mold. Investment casting uses an expendable/disposable pattern, typically made of wax and then coated with some type of slurry molding medium. The wax positive shape of the part is usually made from tooling mounted in some type of wax injection machine ( Fig. 1 ) ( Ref...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005253
EISBN: 978-1-62708-187-0
... (create/make) the part Introduce molten metal to the part in the selected casting process Investment Casting Investment casting uses an expendable/disposable pattern, typically made of wax and then coated with some type of slurry molding medium. The wax positive shape of the part is usually...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
... are attached and glued on to the patterns to make an assembly. Usually one assembly is used in each flask. The pattern assembly is coated with a refractory slurry. The use of the slurry gives the finished casting a smoother surface and controls the escape of pattern decomposition products, such as gases...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003629
EISBN: 978-1-62708-182-5
... mechanism may be clarified by studying the electrochemical behaviors under abrading conditions in a slurry medium. Galvanic interaction phenomena play an important role in the wear of rods and balls in grinding, of slurry pipelines, and of sand pumps. In the case of grinding balls, high-chromium cast...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005256
EISBN: 978-1-62708-187-0
... of the investment casting process in terms of molding but with an expendable pattern made from high-quality expanded polystyrene (EPS) as in lost foam (instead of the lost wax pattern of investment casting). The EPS pattern is coated in ceramic slurry and then fired to produce the ceramic mold. The firing process...
Image
Published: 01 December 2008
Fig. 8 Typical settings of scaled-up Continuous Rheoconversion Process reactors mounted in a horizontal die casting machine (left) and a vertical die casting machine (right) to generate semisolid metal slurries More
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006341
EISBN: 978-1-62708-179-5
... and applications of high-alloy graphitic irons and high-alloy white irons. alloying elements corrosion resistance heat resistance high-alloy graphitic iron high-alloy iron high-alloy white iron iron castings wear resistance THE HIGH-ALLOY IRONS can be categorized into two main groups, the high...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005275
EISBN: 978-1-62708-187-0
... with continuing research and development ( Ref 3 ). In contrast to billet and slurry casting techniques, Thixomolding is a semisolid injection molding process ( Ref 4 ) that has the virtue of permitting the production of parts over a wide range of solid fractions, f s , nominally of the order 0.05 to 0.60...
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
...   Rheocasting (slurry) Nonferrous 5 No Small to medium Outstanding   Thixomolding (granular magnesium) Magnesium 5 No Small Outstanding NA, not applicable. (a) Productivity rankings: 1 = low productivity; 5 = high productivity Comparison of several casting methods Table 2...
Image
Published: 01 January 1990
Fig. 8 Basic steps in the investment casting process. See Fig. 9(a) for a close-up of an automated slurry coating process. Source: Ref 4 More