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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 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...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003370
EISBN: 978-1-62708-195-5
... 14 2.0 80 11 0.25 5 Fig. 5 Paste metering blade setting versus resin paste weight for typical SMC formulation Fig. 3 Continuous SMC paste mixing system Fig. 4 Adjustable paste metering blades Fig. 8 Flowing molding compounds into molds Fig. 2...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003019
EISBN: 978-1-62708-200-6
... Fig. 1 SMC molding operation Fig. 2 SMC structural truck cab Fig. 3 SMC sheet manufacture Fig. 4 Molding on SMC component Fig. 6 SMC structural floor pan Fig. 7 Thermoplastic compression molding. (a) Heated blank loaded into mold. (b) Mold...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003415
EISBN: 978-1-62708-195-5
...Comparative properties of LFT, GMT, and SMC compression moldings Table 1 Comparative properties of LFT, GMT, and SMC compression moldings Property LFT GMT SMC Glass fiber content, wt% 40 40 30 Recyclate content, wt% 30 … 5 Tensile strength, MPa (ksi) 60 (8.7) 65 (9.4...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003471
EISBN: 978-1-62708-195-5
.... , Recycling of Ground SMC into Polypropylene and Recovery of Scrap Azdel to Produce Quality Molded Parts , Advanced Composites: Design, Materials and Processing Technologies , 2–5 Nov 1992 (Chicago IL), ASM International , p 239 – 246 7. Jutte R.B. and Graham W.D. , Recycling SMC...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003474
EISBN: 978-1-62708-195-5
... MPa ksi GPa 10 6 psi SMC-R25 1.83 25 46 29 82.4 12.0 1.34 11.7 1.70 23.2 SMC-R50 1.87 50 16 34 164 23.8 1.73 15.9 2.30 14.8 SMC-C20/R30 1.81 50 16 34 … … … … … …  Longitudinal … … … … 289 41.9 1.73 25.7 3.73 11.3  Lateral … … … … 84.0...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002433
EISBN: 978-1-62708-194-8
... material in terms of resource use, impact on global climate, and recyclability. The four options were steel sheet; primary aluminum sheet; an injection-molded polymer blend of polyphenylene oxide and nylon (PPO/PA); and sheet molding compound (SMC), a glass-fiber reinforced unsaturated polyester resin...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003366
EISBN: 978-1-62708-195-5
... in the field, the wrapped poles show no apparent degradation in performance or durability ( Ref 5 ). The use of phenolics for sheet molding compounds (SMC) has been researched since the 1980s ( Ref 33 ). The technology challenge was to match resin viscosity, handling, and cure properties of the polyester...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003413
EISBN: 978-1-62708-195-5
... Direct control of thickness and fiber volume fraction Flexible use of reinforcement, resins Fewer shelf life issues Higher tooling costs In-house resin formulation Greater quality assurance responsibility (molder) Versus compression molding/SMC, BMC Reduced tooling costs Fewer shelf life issues...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003020
EISBN: 978-1-62708-200-6
... suppliers and part producers, but as of mid-1988 there was no proven high-volume system that operated using slides. Resins used in SMC or thermoplastic stamping are higher in viscosity at the time full pressure is applied to the resin in the sealed tool. Therefore, there is less tendency toward resin...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003007
EISBN: 978-1-62708-200-6
... Primary Secondary Sheet steel Stamped Welded fabrication Sheet molding compound (SMC) or thermoplastic. SMCs offer 30% weight savings at similar room-temperature performance. Cost comparison depends on steel complexity. Sheet stainless steel Stamped Welded fabrication As above, except SMCs...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002492
EISBN: 978-1-62708-194-8
... molding, employs either bulk molding compound (BMC) or sheet molding compound (SMC). Bulk molding compound is a prepared mixture of thermosetting resin, chopper fibers (glass, carbon, or aramid, with lengths ranging from 3 to 50 mm, or 1 8 to 2 in.), filler, catalyst, and other additives...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003032
EISBN: 978-1-62708-200-6
.... “Thermocomp—GF Series,” LNP Corporation 15. “Udel-Polysulfone,” Engineering Polymers Product Data, Union Carbide Corporation 16. “Industrial Glass Fabrics,” Glass Fabrics Division, J.P. Stevens & Company, Inc . 17. Denton D.L. , “Mechanical Properties of an SMC-R 50 Composite...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002465
EISBN: 978-1-62708-194-8
... Transfer mold Prepreg, preform, BMC Short fibers Yes Yes Yes Parallel to mold surfaces High Low Compression mold Prepreg, preform, BMC-SMC Short fibers Yes Yes Yes Parallel to mold surfaces High Low Resin-transfer mold Pressurized liquid resin injection Preform or mat, fabric lay-up...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003447
EISBN: 978-1-62708-195-5
... & Company, Inc. 17. Denton D.L. , “Mechanical Properties of an SMC-R 50 Composite,” Owens-Corning Fiberglas Corporation , 1979 18. 1986 Materials Reference Issue , Mach. Des. , April 1986 19. “Plenco Molding Compounds,” Plastics Engineering Company 20. “Fiberite...
Book Chapter

By Tim Pepper
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003363
EISBN: 978-1-62708-195-5
.... Boenig H.V. , Unsaturated Polyesters: Structure and Properties , Elsevier , 1964 5. Das B. , Loveless H.S. , and Morris S.J. , Effects of Structural Resins and Chopped Fiber Lengths on the Mechanical and Surface Properties of SMC Composites , 36th Annual Conference...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003414
EISBN: 978-1-62708-195-5
... 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 Abstract Abstract Vacuum infusion is a resin injection technique derived from...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003360
EISBN: 978-1-62708-195-5
..., water jet, or high- speed blades. The machine-cut method is often used in modern composites shops and is best suited for broad goods and wide tapes. A typical cutting machine is shown in Fig. 17 . Sheet molding compounds (SMCs), used in applications where the high performance and high cost...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.9781627081955
EISBN: 978-1-62708-195-5
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006386
EISBN: 978-1-62708-192-4