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engineering thermoplastics

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Published: 01 November 2010
Fig. 6.12 Voids in a glass-fiber-filled engineering thermoplastic matrix. Transmitted light, differential interference contrast, 40× objective More
Image
Published: 01 November 2010
Fig. 12.3 Matrix morphology differences of an engineering thermoplastic glass fiber composite that was exposed to different cooling rates. (a) Slow cooling rate. (b) Quenched to room temperature. Micrographs were taken from ultrathin sections. Transmitted polarized light, 40× objective More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030211
EISBN: 978-1-62708-349-2
... Abstract Microstructural analysis of the composite matrix is necessary to understand the performance of the part and its long-term durability. This chapter focuses on the microstructural analysis of engineering thermoplastic-matrix composites and the influence of cooling rate and nucleation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780115
EISBN: 978-1-62708-281-5
... 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 plastics...
Image
Published: 01 November 2010
Fig. 5.43 Dissolution time for thermoplastic (TP) fiber. Source: Cytec Engineered Materials More
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
... Abstract This chapter describes the molecular structures and chemical reactions associated with the production of thermoset and thermoplastic components. It compares and contrasts the mechanical properties of engineering plastics with those of metals, and explains how fillers and reinforcements...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780003
EISBN: 978-1-62708-281-5
... Abstract This introductory article describes the various aspects of chemical structure and composition that are important to an understanding of polymer properties and their eventual effect on the end-use performance of engineering plastics, namely thermoplastics and thermosets. The most...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030001
EISBN: 978-1-62708-349-2
... matrices may contain an engineering thermoplastic in combination with a thermoset, thereby taking advantage of the different properties. Fig. 1.4 Crystallinity in thermoplastic-matrix carbon fiber composites. (a) Crystalline region in the center area of a woven carbon fabric composite cross section...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.9781627083492
EISBN: 978-1-62708-349-2
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
... with structural plastics is to develop an understanding not only of design techniques, but also of manufacturing and material behavior. Fig. 1 Design-engineering process. The goal is to meet the end-use requirements the first time with low cost. Engineering thermoplastics exhibit complex behavior...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... – 19 • Soll W. and Gutowski T.G. , Forming Thermoplastic Composite Parts , SAMPE J. , May/June 1988 , p 15 – 19 • Strong A.B. , High Performance and Engineering Thermoplastic Composites , Technomic Publishing Co., Inc. , 1993 ...
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
...). Solid lines show median of measured wear range. Dotted lines are extrapolated data. Source: Dupont Engineering Polymers Other Thermoplastics Other thermoplastics used for gears include: Polycarbonates are generally reinforced with glass fibers and lubricated with PTFE. Noted...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870285
EISBN: 978-1-62708-314-0
... thermoset and thermoplastic resins. Although many different types of reinforcement can be used, E-glass fibers are the most predominant because of their relatively low cost, the availability of a large number of product forms, and their overall good combination of physical and mechanical properties. 10.4...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780105
EISBN: 978-1-62708-281-5
... presented at SPE RETEC ( Chicago, IL ), Society of Plastics Engineers, Sept 1986 8. “ Test Method for Flow Rates of Thermoplastics by Extrusion Plastometer ,” D 1238-98, Plastics (I) , Vol 8.01 , Annual Book of ASTM Standards , American Society for Testing and Materials 9. “ Test Methods...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870063
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses the use of thermoset and thermoplastic resins in polymer matrix composites. It begins by explaining how the two classes of polymer differ and how it impacts their use as matrix materials. It then goes on to describe the characteristics of polyester, vinyl ester...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
... of rubber are its capability to undergo large deformations and, when the stress is released, return to its original shape. In elastomers, the amount of recoverable elastic strain can be 500% or more. Discussion here centers on engineering plastics, which consist of thermoset and thermoplastic resins...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
... be cognizant of the poor ultraviolet (UV) resistance of most, though not all, engineering plastics and the resulting requirement for a UV absorber. Thermosets and Thermoplastics Polymeric plastics are classified as either thermosets or thermoplastics ( Fig. 12 ). Thermosets are low-molecular-weight, low...
Image
Published: 01 September 2005
Fig. 5 Effect of internal lubricants on the sliding wear (acetal against steel) of 27 tooth, 2.12 module (12 pitch), involute thermoplastic spur gears. Initial contact stress = 42 MPa 9 (6 ksi). Pitchline velocity = 5.6 m/s (18.4 ft/s). Solid lines show median of measured wear range. Dotted More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780305
EISBN: 978-1-62708-281-5
..., in predicting crack growth rates under stable crack growth conditions, and thus is critical in determining the service life of a given thermoplastic system. As engineering plastics find their way into new and more demanding applications, their resistance to failure in specific chemical environments becomes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780028
EISBN: 978-1-62708-281-5
... Electrical repulsion between polar side chains disrupts random coil formation of the backbone and imposes what is known as “rigid-rod” conformation. This occurs in engineering thermoplastics such as PTFE and PAN. Intermolecular Considerations Intermolecular arrangements are governed by both spatial...