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Book Chapter

Series: ASM Handbook Archive
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003370
EISBN: 978-1-62708-195-5
... Abstract Molding compounds are plastic materials in varying stages of pellets or granulation that consist of resin, filler, pigments, reinforcement, plasticizers, and other ingredients ready for use in a molding operation. This article describes the material components and physical properties...
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...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003035
EISBN: 978-1-62708-200-6
... Abstract Sheet molding compounds (SMCs) refers to both material and process for producing glass-fiber-reinforced polyester resin items. This article discusses the material components incorporated into the resin paste for desirable processing and molding characteristics and optimum physical...
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Published: 01 January 2001
Fig. 6 The tortuous path of injection molding compounds More
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Published: 01 January 2001
Fig. 8 Flowing molding compounds into molds More
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Published: 01 January 2001
Fig. 7 Schematic of thermoplastic compression molding with molding compound. GMT, glass-mat reinforced thermoplastics More
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Published: 01 December 2004
Fig. 1 Composite cross sections. (a) Sheet molding compound made from carbon-black-filled epoxy resin and chopped glass fiber. Bright-field illumination, 65 mm macrophotograph montage. (b) Quasi-isotropic unidirectional prepreg laminate. Slightly uncrossed polarized light, 5× objective More
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Published: 01 November 1995
Fig. 3 Continuous sheet molding compound paste mixing system More
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Published: 01 November 1995
Fig. 1 Sheet molding compound processing machine More
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Published: 01 November 1995
Fig. 2 Sheet molding compound paste thickening curve More
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Published: 01 January 2001
Fig. 1 Sheet molding compound processing machine More
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Published: 01 January 2001
Fig. 7 Injection molding compound screws More
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Published: 01 January 2001
Fig. 5 Cure of sheet molding compound in shear sandwich mode. Cross-linking reaction indicated by sharp increase in shear modulus. Frequency: 1 Hz; amplitude: 20 μm More
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Published: 01 January 2001
Fig. 2 Sheet molding compound and prepreg production versus total reinforced plastics production in the United States More
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Published: 01 January 2006
Fig. 6 Tarnished area of interface between the molding compound and the leadframe of a partially drawn thin-small-outline package. The color of the stain is a typical rust color (for Alloy 42 leadframe) or green color (for copper leadframe). More
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
... Abstract Injection molding is a process of forcing or injecting a fluid plastic material into a closed mold. The process generally has the advantages of being more readily automated and of permitting finer part details. Injection-molding compounds are thermoplastic or thermosetting materials...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003019
EISBN: 978-1-62708-200-6
... Abstract The compression molding process is most commonly called the sheet molding compound (SMC) process in reference to the precursor sheet molding compound material it uses. This article discusses the types of materials used for sheet manufacture, and describes the manufacturing...
Series: ASM Handbook Archive
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003415
EISBN: 978-1-62708-195-5
... materials, namely, glass-fiber-mat-reinforced thermoplastics, long-fiber-reinforced thermoplastics, and sheet molding compounds. The article also presents information on the application examples and market volume of compression molding. compression molding automotive composite applications composite...
Book Chapter

Series: ASM Handbook Archive
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003360
EISBN: 978-1-62708-195-5
... lay-up. It provides a description of the two classes of prepregs. These include those that are suitable for high-performance applications and suitable for lower-performance molding compounds. fabrics advanced composites unidirectional fabrics two-directional fabrics multidirectionally...
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Published: 01 January 2001
Fig. 1 Production volume and relative part performance that can be achieved with various production techniques. SMC, sheet molding compounds; GMT, glass mat thermoplastics; RTM, resin transfer molding; SRIM, structural reaction injection molding; P/T, pressure/temperature More