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bladder molding

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Published: 01 January 2001
Fig. 12 Schematic of bladder molding More
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
..., diaphragm forming, compression molding, roll forming, bladder molding, liquid molding, filament winding, and pultrusion. thermoplastic composites composite consolidation autoclave molding diaphragm forming compression molding roll forming bladder molding liquid molding filament winding...
Image
Published: 01 January 2001
Fig. 12 Bladder inflation molding for hollow RTM structures. Source: Ref 16 More
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003413
EISBN: 978-1-62708-195-5
... saving compared with sandwich panels, but require more imagination to produce by RTM ( Fig. 12 ) ( Ref 16 ). A common technique here is to use an elastomeric bladder (which may be filled with particulates). The bladder is filled, loaded into the mold, and evacuated to rigidize the core. The preform skins...
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
... to mast manufacture are often used. Other processes used for the rudder and minor components, such as spinnaker poles, booms, stanchions, tillers, steering wheels, winch driveshafts, and tubes for use internally, include resin infusion, closed mold with internal bladder, filament winding, and tube rolling...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009078
EISBN: 978-1-62708-177-1
... can cause large constraints during the compaction process that can resist even the highest applied pressures. Accordingly, these types of composites may contain more voids. This is often found in tubular composite parts that are wrapped with shrink tapes or are bladder molded. Figure 4 shows voids...
Book Chapter

By Greg Kress
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003392
EISBN: 978-1-62708-195-5
... molding is a closed-molded process where a dry fiber preform is placed in a two-sided (closed) mold, and heated resin is forced in under pressure. The mold part has a tooled surface on both sides, and hollow parts can be made with the use of mandrels and bladders. Resin transfer molding is ideal for small...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003418
EISBN: 978-1-62708-195-5
... are then placed in a closed mold and the bladder is inflated during the cure. This method is particularly useful for fabricating irregularly shaped tubes. For round tubes, the mandrel can be left in place, and air can be applied through a port in the mandrel. Sheeting All rolling operations must start...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003428
EISBN: 978-1-62708-195-5
..., water, or air from getting out of where it should be or getting in where it should not be. The fillet seal constitutes the primary seal (backed up by the fay seal) in many joint designs. Fillet seals are usually located inside of the aircraft mold line. Wet sealant fastener installation is also...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006935
EISBN: 978-1-62708-395-9
... will be tougher than a shorter, lower-molecular-weight polymer of the same chemical type. The higher-molecular-weight polymer will also provide higher melt viscosity and will be more difficult to use in processes involving flow, such as injection molding. Such high melt viscosity, on the other hand...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003414
EISBN: 978-1-62708-195-5
... abbreviations, such as vacuum-assisted resin injection (VARI) ( Ref 6 ), bladder infusion process (BLIP), Seeman composite resin infusion molding process (SCRIMP) ( Ref 7 , 8 ), and others ( Ref 9 ). However, the commonalties between these techniques must be acknowledged. Only then will it be possible to learn...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003487
EISBN: 978-1-62708-195-5
... on, such as a activator. See accelerator. parting agent or mold release agent. addition polymerization. A chemical reaction See intermediate temperature setting adhe- sive. ablation. The degradation, decomposition, and in which simple molecules (monomers) are adhesive joint. The location at which two ad- erosion...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.9781627081955
EISBN: 978-1-62708-195-5
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.9781627082006
EISBN: 978-1-62708-200-6
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003068
EISBN: 978-1-62708-200-6
... to surfaces to prevent sticking, heat called promoter. sealing, and so on, such as a parting agent or mold acceptance test. A test, or series of tests, conducted acoustic microscopy. A technique used to study fea- release agent. by the procuring agency, or an agent thereof, upon tares beneath the surface...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003452
EISBN: 978-1-62708-195-5
... to be made thin and with low weight, they can usually be molded readily to complex aerodynamic curvatures, and they can be readily made with tapered ends to reduce peel stresses. Potential FRP disadvantages include cost, availability, and the need to carefully insulate graphite/epoxy repairs to avoid...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006335
EISBN: 978-1-62708-179-5
... are propelled at high velocity to impact the casting surface and thereby forcefully remove surface contaminants. The contaminants usually are adhering mold sand, burned-in sand, heat treat scale, and the like. The usual methods of imparting high velocity to abrasive particles are by the use of either...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006902
EISBN: 978-1-62708-392-8
... model by directly 3D printing the ossicles and a mold for casting the soft tissues. They exported the 3D images of the human middle ear obtained from microcomputed tomography as an STL file to a selective laser sintering (SLS) 3D printer (Formiga P100, EOS) to fabricate the ossicles, ear canal...
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
..., traditional thermoforming methods that rely on material flow during softening, such as injection molding, blow molding, compression molding, resin transfer molding, vacuum forming, and so on, cannot be used. Rather, these advanced material forms must either be placed directly to final shape or stacked...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005124
EISBN: 978-1-62708-186-3
... process uses a fluid cell (a flexible bladder) backed up by hydraulic fluid to exert a uniform pressure directly on the form block positioned on the press table. This process can be classified in terms of the presses used (Verson-Wheelon and ASEA Quintus) as well as a specialized method (Demarest process...