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bulk molding compounds

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Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003034
EISBN: 978-1-62708-200-6
... Abstract Bulk molding compounds can be molded into a variety of complex shapes by methods that can be readily automated for high volume production. This article describes the formulation and processing (compound formation, and molding methods) of bulk molding compounds. It discusses the effects...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003020
EISBN: 978-1-62708-200-6
...-critical components and highly structural components, the bulk of molding development has been in the area of structural applications. There is a wide variety of possible physical properties available using liquid molding, ranging from slightly reinforced surface panels and covers to highly reinforced...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003014
EISBN: 978-1-62708-200-6
... concentrated in larger part sizes, typically in automotive and business-machine applications. Whether produced of bulk molding compound in a reciprocating screw injection molding machine, or of polyurethane in a reaction injection molding machine, large thermoset parts may require secondary painting. The...
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
... the degree of compaction of no-bake sands. The only simple method available is to determine the permeability of the surface of the mold or core by means of a portable permeability tester. All compacted sands show a decrease in permeability with increase in bulk density. Many binder systems develop...
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
... evident in this bulk Unicast ceramic mold of a duck head. Courtesy of Unicast Development Company Complex castings with thin sections (≤1.6 mm, or 0.063 in.) can be cast in ceramic molds, using special techniques. Casting surfaces have excellent smoothness—usually 3.2 μm (125 μin.) or better...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003041
EISBN: 978-1-62708-200-6
... Abstract Autoclave molding is a process used to impart a controlled heat and pressure cycle cure to a layup. This article describes the materials used for preparing a layup, including peel ply, separator, bleeder, barrier, breather, dam, and vacuum bag. It describes the major elements and...
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
... strength. Afford good release of shell, if wax is added at end of preparation cycle Readily handled in bulk Solvent removal varies with atmospheric conditions, resulting in variable behavior of resin High incidence of sand caking Coating cycle is long. Solvents are generally le...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004001
EISBN: 978-1-62708-185-6
... manufacturing methods in the context of processing-cost trade-offs for gamma titanium aluminide alloys are also discussed. This section reviews the status of the bulk forming of some of the more common aluminide and silicide systems. These materials include those based on the compounds Fe 3 Al...
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
... Zircon is a naturally occurring zirconium silicate (ZrO 2 ·SiO 2 ) mineral. It has good volume stability for extended periods of exposure to high temperatures. Its primary advantages are a very low thermal expansion, high thermal conductivity and bulk density (which gives it a chilling rate approximately...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003012
EISBN: 978-1-62708-200-6
... reinforcement (fiber, cloth, etc.) Largest volume reinforcement; high strength, dimensional stability, heat resistance, chemical resistance Kaolin Second-largest volume extender pigment, with largest use in wire and cable, sheet molding compounds and bulk molding compounds, vinyl flooring Metal fillers...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003213
EISBN: 978-1-62708-199-3
... application. Alkaline cleaners have three major types of components: builders, which make up the bulk of the cleaner; organic or inorganic additives, which promote better cleaning or affect the rate of metal oxide dissolution of the surface; and surfactants. Cleaning is accomplished using...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005334
EISBN: 978-1-62708-187-0
... of casting operation. A small jobbing foundry, carrying out a batch-type operation in a wide range of different alloys, normally uses the lift-out crucible technique. Larger-scale operations, typically operating on a more restricted range of casting alloys, may employ a larger bulk melting unit from...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003008
EISBN: 978-1-62708-200-6
... may be obtained by several casting methods. However, this discussion focuses on products produced by molding or extrusion. Pellets for molding and extrusion are made either in bulk (continuous solution polymerization), followed by extrusion and pelletizing, or continuously by polymerization in an...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001264
EISBN: 978-1-62708-170-2
... alloys. It presents a detailed account of the equipment and various processes—including bulk and barrel plating—involved in electroless nickel plating, and discusses hydrogen relief methods. The article includes a comprehensive table on nickel plating applications, and concludes with information on...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003820
EISBN: 978-1-62708-183-2
... discussion on corrosion of bulk vapor-deposited alloys and magnesium-matrix composites. corrosion fatigue corrosion protection corrosion resistance galvanic corrosion localized corrosion magnesium alloys magnesium-matrix composites stress-corrosion LOW DENSITY and high strength-to-weight...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006670
EISBN: 978-1-62708-213-6
..., fabrication methods, sample preparation, bulk/elemental characterization methods, microstructural characterization methods, surface characterization methods, and electronic characterization methods. semiconductor characterization This article introduces various techniques commonly...
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
... Abstract This article discusses the characteristics, properties, and production methods of copper powders and copper alloy powders. Bulk of the discussion is devoted to production and applications of powder metallurgy (P/M) parts, including pure copper P/M parts, bronze P/M parts, brass and...
Book Chapter

By Rebecca Tuszynski
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003011
EISBN: 978-1-62708-200-6
... are independent of direction). The three elementary types of strain for isotropic materials are simple tension, simple shear, and uniform (hydrostatic) compression. The elastic behavior for these cases is defined by coefficients: Young's modulus E (tension), rigidity modulus G (shear), bulk...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003848
EISBN: 978-1-62708-183-2
... perform totally differently in the same service. Compounding agents include: Various types of elastomers, either of the same class or other families, to create blends Fillers such as carbon blacks, or nonblack fillers such as clays and titanium dioxide, to add bulk at low cost Metal oxides to...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003816
EISBN: 978-1-62708-183-2
... describes the corrosion behavior of copper alloys in specific environments. It reviews the corrosion characteristics of copper and copper alloys in various acids, alkalis, salts, organic compounds, and gases. The article provides information on the behavior of copper alloys that is susceptible to stress...