1-20 of 133 Search Results for

autoclave molding materials

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003041
EISBN: 978-1-62708-200-6
... Abstract Autoclave molding is a process used to impart a controlled heat and pressure cycle cure to a layup. This article describes the materials used for preparing a layup, including peel ply, separator, bleeder, barrier, breather, dam, and vacuum bag. It describes the major elements...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003412
EISBN: 978-1-62708-195-5
...-temperature materials in existing low-temperature autoclaves. Often, electrically heated molds are used. Autoclaves should be manufactured to incorporate design features that make transitions to new materials relatively simple. The polyimides and related resin-matrix systems have created a new set...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003398
EISBN: 978-1-62708-195-5
... on electromagnetic interference shielding, electrostatic discharge protection, metal plating, fire resistance, and corrosion resistance on composite materials. composites composite laminates fiber-reinforced polymer wet lay-up autoclaves resin transfer molding vacuum-assisted resin transfer molding...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003404
EISBN: 978-1-62708-195-5
... fabrication by either the use of fiberglass/resins or by the machining of the mandrel directly from computer-aided design data. It provides a comparison of nickel and other tooling materials in terms of coefficients of thermal expansion, thermal cycles for compression molding, and thermal cycles for metal...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003419
EISBN: 978-1-62708-195-5
... Abstract This article describes the characteristics of thermoplastic composites and its material forms. It presents the steps and considerations in manufacturing the thermoplastic composites. The article describes the various techniques of manufacturing, such as consolidation, autoclave molding...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003403
EISBN: 978-1-62708-195-5
... cannot compare to a tool made with prepregs in an autoclave process. It is wise to provide detailed tooling material and process specifications to all potential vendors, so that there are no questions as to what is expected in the tool construction. Tool Design Overview When designing composite...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003036
EISBN: 978-1-62708-200-6
... of designs that require split (sectioned) tools to permit removal of the part Coordination of part size to equipment capability if autoclave or oven curing is used The design of the mold and material used in it can vary from simple to expensive, based on the number of parts required, production rate...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003476
EISBN: 978-1-62708-195-5
... materials for the design and fabrication of aerospace structural components, particularly in aeropropulsion. Components being fabricated range from small, compression-molded bearings to large, autoclave-molded aircraft engine cowls and ducts. Processing technology and baseline materials data are also being...
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
... much longer high-temperature cures; typically 10 to 24 h at 340 to 430 °C (645–805 °F), versus 4 to 8 h at 120 or 180 °C (250–355 °F). High raw material costs, tight process control requirements, the release of volatiles, extended cure cycles, and expensive shop expendables (autoclave bagging, breather...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003407
EISBN: 978-1-62708-195-5
.... These types of molds are adequate for low-temperature cure; for higher-temperature prepregs, the selection of mold materials and fabrication techniques requires more care to ensure stability of the tooling at higher temperatures. Spars are usually manufactured from prepreg materials and often autoclaved...
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
... affordability, out-of-autoclave curing has become a common goal. Processes such as vacuum-assisted resin transfer molding, resin transfer molding, electron beam curing, room- temperature curing, oven curing, and resin-fiber infusion are being adopted to meet the new affordability objectives. The tooling...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003409
EISBN: 978-1-62708-195-5
... established low-cost resins. These thin materials naturally have a low hand-deposition rate, but the labor cost represents a small proportion of the overall manufacturing cost. For low-volume production of thin structures, the manufacturing cost is dominated by mold tooling and assembly costs. Over...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003010
EISBN: 978-1-62708-200-6
... (265–300) (c) 130 (265) Fabrication methods Compression molding Yes Yes Yes Yes Injection molding Yes Yes Yes Yes Transfer molding Yes Yes Yes Yes Autoclave molding Yes Yes … Yes Filament winding … Yes … Yes Spray-up … Yes … … Pultrusion … Yes...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003405
EISBN: 978-1-62708-195-5
... the two basic methods, such as the trapped or fixed-volume rubber method and the variable-volume rubber method, of elastomeric tooling, which use the principles of thermal expansion molding. The significant properties and controlling equations that are required to characterize elastomeric tooling material...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003045
EISBN: 978-1-62708-200-6
.... Of the many different NDE techniques, ultrasonic NDE has proved to be one of the most successful. For homogeneous materials, ultrasonic techniques are well developed and reasonably simple; the main items of interest are inclusions, voids, and possible flow patterns and knit lines from injection molding...
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
... to manufacture polymer composites such as open-mold techniques. polymer composites open molding composite design WHEN FABRICATING components and structures from traditional construction materials, manufacturing is usually a matter of machining, molding, or joining material that is already solid...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005249
EISBN: 978-1-62708-187-0
... of the metals that can be cast and mold materials are given in the article, along with details of versions of the two processes. Both processes use expendable molds, and mold materials are not fully reclaimable; thus, mold costs tend to be high. Still, slurry processes are cost-effective, especially for high...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006519
EISBN: 978-1-62708-207-5
... elapsed time ( Ref 1 ). Patternmaking Most patterns used in investment casting are produced by injecting the pattern material into a die or mold, often called the ‘tool.’ Occasionally, patterns are fabricated or machined. Pattern molds or tools are usually machined from metals such as 6061 aluminum...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003435
EISBN: 978-1-62708-195-5
... and conventional, autoclave curing. The process models combine aspects of transient heat transfer, microwave/materials interactions, and chemical reaction kinetics to model cure behavior in microwave and conventional processing ( Ref 7 ). Models for the interaction of microwaves with laminated composites were...
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
... metal matrix composites polymeric composites pultrusion resin-injection molding THE USE OF COMPOSITE MATERIALS provides the designer with great flexibility with which to meet part performance requirements. Even after a composite material has been selected, the design must still address...