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fiber length

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Published: 01 November 2010
Fig. 10.3 Effect of critical fiber length on stress of discontinuous fiber More
Image
Published: 01 December 2003
Fig. 28 Effect of fiber length on material strength. Source: Ref 41 More
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Published: 01 November 2010
Fig. 10.4 Effect of fiber length on tensile strength. Source: Ref 1 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730115
EISBN: 978-1-62708-283-9
... Abstract This chapter discusses the properties and uses of fiber-reinforced composites. It also describes the effect of volume fraction and fiber length. fiber length fiber-reinforced composites WITH COMPOSITE MATERIALS, combinations of properties can be achieved that could...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870285
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses the effect of fiber length and orientation on the strength and stiffness of discontinuous-fiber composites. It also describes several fabrication processes, including spray-up, compression molding, reaction injection molding, and injection molding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860035
EISBN: 978-1-62708-338-6
... is long enough, the fiber will eventually reach the dwell position (position 4). However, this will be at the expense of a significant material thickening on the winding at the turning position and a significant length of winding where the fibers are not placed at the angle desired by the programmer...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870031
EISBN: 978-1-62708-314-0
... —A general term for a material that has a long axis that is many times greater than its diameter. The term aspect ratio , which refers to fiber length divided by diameter ( l / d ), is frequently used to describe short fiber lengths. Aspect ratios are normally greater than 100 for fibers. Filament...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860049
EISBN: 978-1-62708-338-6
... of a fiber trajectory on a shell of revolution In a similar fashion, a walk around the periphery (east ↔ west, fixed t value) gives the following unit-length orientation vector B : (Eq 5.5) B ( t , ϕ ) = S ϕ ( t , ϕ ) S ϕ ( t , ϕ ) ⋅ S ϕ...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550457
EISBN: 978-1-62708-307-2
... and stiffness, among other properties, in preferred directions and locations. This chapter discusses the processes and procedures used in the production of fiber-reinforced aluminum and titanium metal-matrix composites. It explains how the length and orientation of reinforcing fibers affect the properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610377
EISBN: 978-1-62708-303-4
... but are usually much less expensive. Particulate-reinforced composites usually contain less reinforcement (up to 40 to 50 vol%) due to processing difficulties and brittleness. A fiber has a length that is much greater than its diameter. The length-to-diameter ( l / d ) is known as the aspect ratio and can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780028
EISBN: 978-1-62708-281-5
... the modulus, melt viscosity, and the deflection temperature under load. While fibers can significantly improve mechanical properties, their performance depends on orientation and fiber length, both of which can be affected by processing. Foams In foamed plastics a dispersed gaseous phase...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780051
EISBN: 978-1-62708-281-5
.... The modulus can be increased by the use of fillers and reinforcements. In injection molding, only short fibers are considered. They are typically 3.2 mm (0.125 in.) long and vary in concentrations from 0 to 40 or 50% maximum. A critical fiber length is necessary for reinforcement. Some fiber breakage...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
... to 40 to 50 vol%) due to processing difficulties and brittleness. A fiber has a length that is much greater than its diameter. The length-to-diameter is known as the aspect ratio and can vary greatly. Continuous fibers have long aspect ratios, while discontinuous fibers have shorter aspect ratios...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.9781627083386
EISBN: 978-1-62708-338-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... Fiber volume control Worse Better Part quality Worse Better 18.3.1 Discontinuous-Fiber Product Forms Chopped fiber is made by mechanically chopping rovings, yarns, or tows into short lengths, typically 1 4 to 2 in. (6 to 50 mm) long. It is important that the chopped fibers...
Image
Published: 01 September 2011
(allows differential movement of boss and windings) Skirt-to-pressure-vessel design concept: Integral or secondary attach Hoop angle (fiber angle near 90° to axis of motor) α is the local helical or polar angle (fiber angle to the axis of the pressure vessel) Discrete number of layers One More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860065
EISBN: 978-1-62708-338-6
... winding machine made 2 to 3 in. (50 to 75 mm) diameter pipe in 20 ft (6 m) lengths at a 54.75° fiber angle ( Fig. 6.3 ). The rotating platforms followed each other from the bottom to the top and back to the bottom. The platforms rotating in opposite directions provided the ± fiber patterns at full surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860151
EISBN: 978-1-62708-338-6
..., such as small-diameter fiber that is flexible and of rayon, polyacrylonitrile (PAN), and pitch, in great or indefinite length. an inert environment. The term is often used interchangeably with the term graphite; how- continuous filament yarn. Yarn formed by ever, carbon fibers and graphite fibers differ...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860007
EISBN: 978-1-62708-338-6
.... Multiple-fiber delivery by counting chain sections (links) to obtain the systems can be used interchangeably during precise winding length desired. winding to provide two or more types of fibers to a single winding pattern. Automatic loading of the wound parts into a curing oven and so on 8 / Composite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060183
EISBN: 978-1-62708-355-3
... Abstract This chapter presents the fundamentals of tensile testing of fiber-reinforced polymer composites. Basic tensile testing of polymer composites is divided into lamina and laminate testing. The chapter focuses on tensile testing of laminates. It discusses the most common tensile test...