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Autoclaves

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870101
EISBN: 978-1-62708-314-0
...Abstract Abstract This chapter discusses the tooling used for autoclave curing, one of the most common composite fabrication processes. The discussion covers curing practices, material selection factors, and design challenges associated with thermal expansion, tool shrinkage, part complexity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870201
EISBN: 978-1-62708-314-0
... International SAMPE Technical Conference , Nov 2001 , p 120 – 128 • Griffith J.M. , Campbell F.C. , and Mallow A.R. , Effect of Tool Design on Autoclave Heat-Up Rates, Society of Manufacturing Engineers , Composites in Manufacturing 7 Conference and Exposition , 1987...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870119
EISBN: 978-1-62708-314-0
...-up processes are discussed: wet lay-up, prepreg lay-up, and low-temperature/vacuum bag curing prepreg. Wet lay-up is used extensively in commercial industries to fabricate fiberglass/polyester parts. Prepreg lay-up and autoclave curing is the predominant fabrication method used in the aerospace...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870255
EISBN: 978-1-62708-314-0
...) can be autoclaved at 350 °F/100 psi. Used for secondarily bonded or cocured high-performance aerospace structures. Polystyrene cores are lightweight, low cost, and easy to sand, but are rarely used in structural applications because of their low mechanical properties. They cannot be used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... ovens, heated platen presses, or autoclaves. Since time for chemical reactions is not requisite, the time required to reach consolidation temperature is a function of the heating method and the mass of the tooling. The consolidation temperature depends on the specific thermoplastic resin, but it should...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870517
EISBN: 978-1-62708-314-0
... made of prepreg, wet lay-ups, precured composites, or thin titanium sheets adhesively bonded together. Since field repairs are conducted with only vacuum bag pressure (≤14.7 psia or less), the quality of the repair is not as high as that of the original laminate, which was cured in an autoclave at 100...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
.../asm.hb.v21.a0003439 • Griffith J.M. , Campbell F.C. , and Mallow A.R. , “ Effect of Tool Design on Autoclave Heat-Up Rates ,” Composites in Manufacturing 7 Conference and Exposition , Society of Manufacturing Engineers, 1987 • Grimshaw M.N. , Automated Tape Laying...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030147
EISBN: 978-1-62708-349-2
.... , Autoclave Moulding of Carbon Fiber-Reinforced Epoxies , Composites , Vol 17 , April 2, 1986 , p 127 – 136 10.1016/0010-4361(86)90250-8 4. Loos A.C. and Springer G.S. , Curing of Epoxy Matrix Composites , J. Compos. Mater. , March 17, 1983 , p 135 – 169 10.1177/002199838301700204...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030223
EISBN: 978-1-62708-349-2
... perpendicular to the cell walls. This can cause problems in manufacturing, leading to such processing defects as honeycomb core crush or honeycomb movement during cure. When autoclave pressure is applied to consolidate the honeycomb sandwich structure composite, the honeycomb core can move or crush due...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870235
EISBN: 978-1-62708-314-0
... overheated. If the contour is complex, it may be necessary to bag the part and employ the isostatic pressure of an autoclave. Instead of using the positive pressure of a vented bag in an autoclave, a vacuum bag less than 15 psia in an oven is commonly used. The disadvantage of this process is that the vacuum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870373
EISBN: 978-1-62708-314-0
... as both unidirectional and fabric prepreg that can be vacuum bag or autoclave molded. Again, E-glass, being fairly low in cost, is the most prevalent product form. For demanding aerospace applications, the higher-cost S-2 glass can be used. As shown in Table 14.8 , S-2 glass provides both higher...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860095
EISBN: 978-1-62708-338-6
... N.J. , J. Compos Mater. , Vol 5 ( No. 2 ), 1971 , p 260 8.23 Dickson T. , Lee S. , and Munro M. , Development of a Vacuum Bagging Technique for Autoclave Curing of Filament Wound Thin-Walled Tubes , Mater. Manuf. Process. , Vol 10 ( No. 1 ), 1995 , p 1 – 10 10.1080...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280079
EISBN: 978-1-62708-267-9
... spurious grains. The ceramic shell must be prepared for the casting operation. After dipping, any support fixtures used for dipping are removed. The shell is then dewaxed by using a high-pressure steam autoclave, which rapidly flashes out the wax. The shell is then fired at high temperature to sinter...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290243
EISBN: 978-1-62708-306-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030001
EISBN: 978-1-62708-349-2
.... , and Edwards R.R. , Self-Adhesive Honeycomb Prepreg Systems for Secondary Structural Applications , Polym. Compos. , Vol 19 ( No. 1 ), Feb 1998 , p 54 – 64 10.1002/pc.10075 10. Dave R. , Kardos J.L. , Choi S.J. , and Dudukovic M.P. , Autoclave vs. Non-Autoclave...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.9781627083492
EISBN: 978-1-62708-349-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870573
EISBN: 978-1-62708-314-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140055
EISBN: 978-1-62708-335-5
... and economic objectives. Hot isostatic pressing takes place in an autoclave in which parts are exposed under pressure at elevated temperatures in a controlled atmosphere. Various production castings and powder metallurgical products are routinely HIPped in large commercial facilities. Densification (HIP...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030200
EISBN: 978-1-62708-282-2
... Tests Flow Loop Tests Autoclave Tests The following methods are used to monitor corrosion rates and inhibitor effectiveness: The materials used in most corrosion inhibitors are sometimes by-products of many chemical industries. Although major inhibitor formulators and manufacturers adhere...