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casting resin

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Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000629
EISBN: 978-1-62708-181-8
... ). SEM (same conditions as in Fig. 1294 ), 200× (The epoxy specimens shown in Fig. 1294 and 1295 were of Fiberite's 934 epoxy resin, which is one of the standard “state-of-the-art” 175 °C (350 °F) cure epoxy resin systems used in high-performance aerospace composites. The epoxy was gravity cast at...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005681
EISBN: 978-1-62708-198-6
... could leach from dental amalgams, and because of an increase in aesthetic demands and economic and convenience reasons compared to the cast metallic restorations. The first self-curing acrylic resins were developed in the 1940s in Germany, and this led to the development of unfilled acrylic...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005252
EISBN: 978-1-62708-187-0
... shell molding and green sand molding. casting dimensional accuracy green sand molding shell molding tensile strength mold cracking soft molds peelback mold shift shell coremaking sand reclamation resin-sand properties mold defects mold patterns THE SHELL PROCESS was first...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005265
EISBN: 978-1-62708-187-0
... year to 180,000 per day. The process is widely used for investment castings, precision sand molds made of resin or cold-box bonded sands, and semipermanent molds. The markets commonly served by these processes include automotive, hand tools, sports, medical, military, and aerospace. The general...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005186
EISBN: 978-1-62708-187-0
... their design, the cope and drag are side-blown simultaneously and then hydraulically squeezed. The birth of automated matchplate molding ly improved metal casting productivity by levels as much as 60% in a short amount of time. Phenolic hotbox binders are introduced. 1963—Shell flake resin is...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005257
EISBN: 978-1-62708-187-0
... extractor must overcome friction plus casting weight. For some applications, the castings are kept rotating during and/or after extraction to prevent the casting from warping. The centrifugal casting mold must be heated and coated with ceramic mold wash, mold powder, sand, resin sand, or graphite. The...
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
... Abstract Casting can be done with either expendable molds for one-time use or permanent molds for reuse many times. This article lists various methods used to fabricate expendable molds from permanent patterns. The methods include molding of sand with clay, inorganic binders, or organic resins...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003010
EISBN: 978-1-62708-200-6
... Abstract A thermosetting resin, or thermoset, is a synthetic organic polymer that cures to a solid, infusible mass by forming a three-dimensional network of covalent chemical bonds. Significant applications include construction and thermoset engineering plastics. This article discusses the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
..., dry sand molds, resin-bonded sand molds, and sodium silicate bonded sand. The article describes the casting processes that use these molds, including the no-bake process, cold box process, hot box process, the CO2 process, lost foam casting process and vacuum molding process. The casting processes...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005354
EISBN: 978-1-62708-187-0
..., resin (organic) nobakes may have an advantage over the inorganic (sodium silicate) nobakes. Most of the organic no-bake systems have excellent shakeout. With the exception of those castings poured from low-melting-point metals (aluminum or magnesium), the heat of the metal burns out the resin bond in...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006077
EISBN: 978-1-62708-172-6
... Abstract This article provides a detailed discussion on the principal classes and curatives of epoxy resins used in the coatings industry. The principal classes are bisphenol A epoxy, bisphenol F epoxy, epoxy phenol novolac, cycloaliphatic epoxies, epoxy acrylate, brominated bisphenol-A-based...
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
... is the preferred base material for most investment casting patterns, but blends containing only waxes are seldom used. Waxes are usually modified to improve their properties through the addition of such materials as resins, plastics, fillers, plasticizers, antioxidants, and dyes ( Ref 6 ).* The...
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
... made from inorganic compounds such as silicates or organic resins Shell molding of sand with a thin resin-bonded shell that is baked No-bond vacuum molding of sand, where molding media is held together with a vacuum source Plaster-mold casting Ceramic-mold casting Rammed graphite molding...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003176
EISBN: 978-1-62708-199-3
... for sand casting, and direct production of resin-bonded sand cores and molds. This means that a user of castings can obtain prototype quantities of parts from temporary tooling and that modifications can be made in the design before hard tooling is built. All RP processes are based on the ability...
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
..., often under a protective cover such as sawdust, wood chips, or resin to prevent oxidation at the usual higher temperature at which alloying is facilitated. A number of fluxing procedures and refining processes are used in the smelting and refining of primary and secondary lead production. Several of...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005258
EISBN: 978-1-62708-187-0
... binders are used, for example, a mixture of silica sand and binder resin. Phenolic binders are also used with silica sand. One proprietary process uses a mixture of sand, silica flour, bentonite, and water. Dry sand molds can also be employed; in this case, the sand is pressed down around a pattern...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005303
EISBN: 978-1-62708-187-0
... Abstract This article describes the casting characteristics and practices of copper and copper alloys. It discusses the melting and melt control of copper alloys, including various melt treatments to improve melt quality. These melt treatments include fluxing and metal refining, degassing...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003036
EISBN: 978-1-62708-200-6
... Abstract Wet lay-up using hand or spray techniques is one of the simplest methods of combining a fiber reinforcement with a solidifying resin to form a composite structure. This article describes several wet lay-up processes - including contact molding, spray molding, vacuum bag molding, and...
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
... 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 rammed...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003017
EISBN: 978-1-62708-200-6
... function and property requirements for resins and additives; size, shape, design, and cost of molded parts; equipment type and size; and the type of mold to be used. Commonly used molds include cast aluminum, fabricated sheet metal, nickel deposit, machined aluminum, silicone, fiberglass, and prototype...