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resin-injection molding

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870285
EISBN: 978-1-62708-314-0
... of a continuous-fiber composite. In reality, it is extremely difficult to control the orientation in discontinuous-fiber composites. During processing, resin flow fronts push the fibers around, causing misorientation. In addition, some processes, such as injection molding, mechanically fracture the fibers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780064
EISBN: 978-1-62708-281-5
... injection molding (SRIM), resin transfer molding (RTM), matched metal molding, filament winding, and pultrusion. Some of these processes are also used for noncomposite materials; casting is described separately in the section “ Casting ” in this article. Reaction Injection Molding Reaction injection...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870119
EISBN: 978-1-62708-314-0
.... Pultrusion is a high-rate commercial process used primarily to make long fiberglass/polyester parts of constant cross section. Liquid molding includes resin transfer molding, vacuum-assisted resin transfer molding, and resin film infusion. These processes use a dry preform that is then injected...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250077
EISBN: 978-1-62708-345-4
...% glass fibers), toughened, and lubricated forms. Lubricants for thermoplastic polyimides include graphite (15 to 40%), PTFE (10%) plus graphite (15%), and MoS 2 (up to 15%). Phenolics Phenolics are injection molded resins compounded with various mineral and glass fillers, glass fibers...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780055
EISBN: 978-1-62708-281-5
... Based Material Selection Program for Injection Molded Resins ,” ASME Computers in Engineering Conference (Chicago) , American Society of Mechanical Engineers, July 1986 3. Trantina G.G. and Nimmer R.P. , Structural Analysis of Thermoplastic Components , McGraw-Hill , 1994 4...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550325
EISBN: 978-1-62708-307-2
... stress. The chapter also includes a section on the uses of thermoplastic and thermosetting resins and provides information on fabrication processes and fastening and joining methods. engineering plastics joining thermal properties AN ENGINEERING PLASTIC can be defined as a synthetic polymer...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780051
EISBN: 978-1-62708-281-5
... the melt temperature, injection rate, type of tool steel, mold temperature, size of runner system, resin type, filler, and many others. Typical wall thickness values are shown in Table 1 . Suggested wall thickness Table 1 Suggested wall thickness Thermoplastic Minimum, any article For small...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
... Selected References Selected References • Beckwith S.W. and Hyland C.R. , Resin Transfer Molding: A Decade of Technology Advances , SAMPE J. , Vol 34 ( No. 6 ), Nov/Dec 1998 , p 7 – 19 • Bottle J. , Burzesi F. , and Fiorini L. , Design Guidelines...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780359
EISBN: 978-1-62708-281-5
... the compounding extruder. The origin of the nylon 6/6 resin was unknown but may represent a previously compounded resin. A number of plastic sleeves used in an automotive application cracked after assembly but prior to installation into the mating components. The sleeves were specified to be injection molded...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780003
EISBN: 978-1-62708-281-5
... formed from polymerization of different monomers. Engineering plastics all have, as their principal constituent, one or more synthetic polymer resins and almost universally contain additives. Additives, which have much smaller molecules than polymers, provide color, flexibility, rigidity, flame...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... Material form Process Pultrusion RTM Compression molding Filament winding Hand lay-up Auto tape laying Discontinuous Sheet molding compound … … • … … … Bulk molding compound … … • … … … Random continuous Swirl mat/neat resin • • • • • … Oriented...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780164
EISBN: 978-1-62708-281-5
..., excellent thermal stability Films, coatings, molded and/or machined parts, resin solutions Polycarbonates Good electrical properties for general electronic packaging application; available in transparent grades Blow moldings, extrusions, injection moldings, thermoformed parts, stock shapes, film...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740047
EISBN: 978-1-62708-308-9
... Conditions Eutectic Phases Pure Metals Alloys Gating Risering Sand Casting Bonded Sand Molds Dry Sand Molds Resin-Bonded Sand Molds Shell Molding Plaster Casting Evaporative Pattern Casting Investment Casting Permanent Mold Casting Die Casting Squeeze Casting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.9781627082815
EISBN: 978-1-62708-281-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870373
EISBN: 978-1-62708-314-0
... of these types of materials impregnated with polyester resin are shown in Table 14.5 . Spray-up, in which chopped glass fibers are mixed with resin and then sprayed onto the mold, produces more or less randomly oriented fibers 1 to 2 in. (2.5 to 5 cm) long. Since the fiber content is only moderate (30 to 35...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780028
EISBN: 978-1-62708-281-5
... Fig. 13 Representative structures of thermoset plastics. Ref 8 Normally thermoplastic resins, such as PE, can also be cross linked after the shaping operation. Cross linking of PE does not introduce many cross links because PE is quite unreactive. The few cross links that form actually...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780115
EISBN: 978-1-62708-281-5
... influencing the determination of service temperature of a material. Representative examples of different types of engineering thermoplastics are discussed in terms of structure and thermal properties. The article also discusses the thermal and related properties of thermoset resin systems. engineering...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290251
EISBN: 978-1-62708-319-5
... Powder Industries Federation , Princeton, NJ , 2011 , on CD • Sherwood W.J. , Witmarsh C.K. , Jacobs J.M. , and Interrante L.V. , Low Cost, Near-Net Shape Ceramic Composites Using Resin Transfer Molding and Pyrolysis (RTMP), Ceramic Engineering and Science Proceedings , Issue 4...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870031
EISBN: 978-1-62708-314-0
... and in injection-molded parts. Chopped fibers are usually available in lengths ranging from 0.125 to 2 in. (3.2 to 50 mm), although shorter milled fibers and longer fibers are available. They are blended with resins and other additives to prepare molding compounds for compression or injection moldings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780295
EISBN: 978-1-62708-281-5
...-Filled Epoxy Resin Composites of Adjustable Thermal Contraction , Nonmetallic Materials and Composites at Low Temperatures , Plenum Press , 1978 , p 291 10.1007/978-1-4615-7522-1_19 14. Hartwig G. and Weiss W. , Die Thermische Ausdehnung von Pulvergefüllten Epoxidharzen , Mater...