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post-impregnated thermoplastics

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003425
EISBN: 978-1-62708-195-5
... welding. impact resistance fracture toughness thermoplastic composites pseudothermoplastics post-impregnated thermoplastics weaving seaming autoclaving preconsolidation roll consolidation roll forming thermoforming press forming hydroforming diaphragm forming fastened joints adhesive...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003401
EISBN: 978-1-62708-195-5
... compounds, and, in some cases, thermoplastic composites). Most often, the aim in composites manufacturing is to realize near-net-shape or, ideally, net-shape manufacturing, meaning that little or no post-manufacturing machining and trimming is needed, which improves both process economy and individual...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003368
EISBN: 978-1-62708-195-5
... a discussion on the background, categories, characteristics, product forms, properties, cost benefits, and processing techniques of thermoplastic resins. Strategies that have been advanced to deal with impregnation difficulties are also discussed. thermoplastic resins continuous fiber reinforced...
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
... material. Filament winding, braiding, or fabric-tape wrapping is used to produce two-dimensional fiber preforms or a three-dimensional fiber shape having radial in-wound or drilled/bonded-in-place radial-rod reinforcements. The fiber or fabric can be preimpregnated with resin or post-wind pressure...
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
... Thermoplastics Around 1990, long-fiber-reinforced granulate (LFG) materials were introduced into the market ( Ref 24 ). These granulate materials consist of glass-fiber bundles that are impregnated with thermoplastic material. The material is manufactured in a thermoplastic pultrusion process where...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003417
EISBN: 978-1-62708-195-5
... numerous times with little loss of basic properties. Although a body of technology exists for thermoplastic pultrusion processing that enables post-pultrusion reshaping, it has not yet reached a position of commercial significance. Despite the surge of commercial activity and study, there is still...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006916
EISBN: 978-1-62708-395-9
...-related defects may be attributed to inadequate mixing or impregnation (making prepreg), improper flow (rheology during processing and curing), and curing conditions that are not optimized, including post-curing, which can lead to parts with various types of defects. Under each viscosity profile...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003038
EISBN: 978-1-62708-200-6
... and communication utility use. Corrosion-resistant fiberglass sucker rods have replaced steel in the extraction of oil. Semiflexible highway delineator posts that deflect without permanent deformation are used instead of rigid cold-rolled steel posts with plastic reflectors. In highly corrosive environments...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003431
EISBN: 978-1-62708-195-5
... Abstract This article presents the importance of progressing from post-manufacturing inspection/verification to in-process inspection/verification methods. It lists the various quality assurance factors considered for typical composite laminate lay-up process. The article provides information...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009081
EISBN: 978-1-62708-177-1
.... Struct. , Vol 42 , 1998 , p 365 – 373 10.1016/S0263-8223(98)00081-6 8. Soutis C. and Curtis P.T. , Prediction of the Post-Impact Compressive Strength of CFRP Laminated Composites , Compos. Sci. Technol. , Vol 56 , 1996 , p 677 – 684 10.1016/0266-3538(96)00050-4 9...
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
... as well as introduce braiding. Variations to the winding process can include varying cross-sectional geometries, post-winding forming that can alter a convex outer surface to an I-beam shape as in Fig. 7 , and inclusion of fixtures. Fig. 7 Post-winding forming One concern in filament...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.9781627082006
EISBN: 978-1-62708-200-6
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
... templates also can be used to reduce the lay-up times on molds. The presized plies are first laid up and oriented on the templates. When the mold is available for the lay-up, the plies are positioned on them and transferred. Positioning is achieved by using the references used for indexing. Reference posts...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003256
EISBN: 978-1-62708-176-4
...-dependent deformation from viscoelasticity. Thermoplastics also exhibit a unique variety of post-yield phenomena. For example, Fig. 4 is a typical stress-strain plot for aluminum and polyethylene. The aluminum sample necks and extends to 50% strain. The polyethylene sample necks and extends to 350% strain...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003005
EISBN: 978-1-62708-200-6
... methods to produce the desired shape, it follows that the choice of possible materials is restricted to the lower-melting-point metals and melt-processable thermoplastics. The type of material considered also influences design decisions. Details of design will differ between, for example, metals...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003068
EISBN: 978-1-62708-200-6
... and qualification test. ablative plastic. A material that absorbs heat (with a accumulator. An auxiliary cylinder and piston acrylate resins. See acrylic resins. low material loss and char rate) through a decomposi- (plunger) mounted on injection molding or blowing acrylic plastic. A thermoplastic polymer made...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006116
EISBN: 978-1-62708-175-7
... of the powder mixture, the method used to manufacture the base powder, and the sintering conditions of temperature, time, and atmosphere all define the distribution of the alloying additives and consequently, the local alloy hardenability. The section size, cooling rate in the sintering furnace, and any post...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... uses a device, called a mounting press, to provide the required pressure and heat to encapsulate the specimen with a thermosetting or thermoplastic mounting material. Common thermosetting resins include phenolic, diallyl phthalate, and epoxy, while methyl methacrylate is the most commonly used...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003572
EISBN: 978-1-62708-180-1
... to be included in models. Hence, the sliding wear rate of composite ( W s,c ) is the sum of wear rates that account for the sliding process ( W s,s ) and others, which accounts for the additional wear mechanism ( W s.fci ), the post-sliding wear process; that is, wear due to fiber fracture, fiber-matrix...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006934
EISBN: 978-1-62708-395-9
.... , Mechanical Properties of Methanol Crazes in Poly(Methyl Methacrylate) , J. Polym. Sci., Polym. Phys. , Vol 16 (No. 2 ), 1978 , p 349 – 366 , 10.1002/pol.1978.180160214 49. Haward R.N. , The Post-Yield Behavior of Amorphous Plastics , The Physics of Glassy Polymers , Springer Science...