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integral cocured structures

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870255
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses the advantages and disadvantages of sandwich and integral cocured structures, and the methods by which they are made. It begins by explaining where and how sandwich construction is used and why it is so efficient. It then describes the design and fabrication of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870449
EISBN: 978-1-62708-314-0
... composites ANALYTICAL CONSIDERATIONS, as discussed in the previous chapter, includes much discussion of unnotched laminates. However, for practical purposes, the joints in a composite structure should be designed first and then the space between them filled in with appropriate laminate orientations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290279
EISBN: 978-1-62708-306-5
... methods are covered. The factors influencing joint integrity and the main considerations in welding dissimilar metal combinations are also discussed. adhesive bonding brazing ceramics dissimilar metal welding mechanical fastening plastics welding A NUMBER OF materials and material...
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
... integrally cocured structure are covered in Chapter 9, “Sandwich and Integrally Cocured Structure.” In addition, some of the design and analysis considerations for adhesively bonded joints are discussed in Chapter 17, “Structural Joints—Bolted and Bonded.” Adhesive bonding can also be used to join...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
... Cocuring is a process in which uncured composite plies are cured and bonded simultaneously during the same cure cycle to either core materials or to other composite parts. Integrally cocured or unitized structure is another manufacturing approach that can greatly reduce the part count and final assembly...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... process to determine the best material, process, and structural configuration for a given part. The first task of the integrated product definition (IPD) team is to determine the requirements or important attributes of the part, such as stiffness, weight, fatigue resistance, nonrecurring and recurring...
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
... relatively thin 0.25 to 0.38 in. (6.4 to 9.7 mm) electroformed nickel shell supported by an open support structure. Rubber mandrels and pressure intensifiers were used at locations requiring cocured hat stiffeners. The nesting positions (autoclave locations) for the three batches were predetermined...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870307
EISBN: 978-1-62708-314-0
... hole drilling mechanical fasteners sealing trimming COMPOSITES ALLOW for the manufacture of large integral structures, thereby reducing the number of parts and mechanical fasteners required to assemble them. Many structures can be either cocured or bonded together to integrate a significant...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870119
EISBN: 978-1-62708-314-0
... production or are emerging as production-ready processes. The fabrication of sandwich and cocured structures creates the ability to make large structures that incorporate many smaller parts into a single assembly, which can eliminate a significant portion of the final assembly costs. Cutting and manual...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870201
EISBN: 978-1-62708-314-0
... reciprocal of viscosity (η) when integrated as a function of time between the starting time ( t 0 ) and the time to gellation ( t gel ). Fig. 7.8 Effect of catalyst content on viscosity. Source: Ref 1 The resin with a high catalyst content (2.2% BF 3 ) exhibits a flow number approximately...