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fiber-reinforced composites

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0090460
EISBN: 978-1-62708-234-1
... recovery. Glass fiber reinforced composites Hydrolisis Oxidation Glass-reinforced nylon 12 Environmental cracking (plastics) A component of a water filtration unit failed while being used in service for approximately eight months. The filter system had been installed in a commercial...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090442
EISBN: 978-1-62708-218-1
... properties of the sleeves. The cause of the degradation was not evident, but the likely source appears to be the molding operation and exposure to elevated temperature for an extended period of time. Automotive components Cracking (fracturing) Glass fiber reinforced composites Injection molding...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003572
EISBN: 978-1-62708-180-1
... Abstract This article reviews the abrasive and adhesive wear failure of several types of reinforced polymers, including particulate-reinforced polymers, short-fiber reinforced polymers (SFRP), continuous unidirectional fiber reinforced polymers (FRP), particulate-filled composites, mixed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048498
EISBN: 978-1-62708-234-1
.... Smith B.W. et al. , Composite Post-Fracture Analysis Experience as Related to a Developing and Evolving CPFA Methodology , in Proceedings; International Conference: Post-Failure Analysis Techniques for Fiber Reinforced Composites , Air Force Wright Aeronautical Laboratories, MLSE, Wright...
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Published: 01 January 2002
Fig. 22 Failure wear mechanisms of unidirectional fiber reinforced polymer composites with different orientations of fibers with respect to sliding direction against a smooth metal surface. (a) Normal aramid fibers. (b) Parallel carbon fibers. (c) Wear reduction mechanism due to hybridization More
Image
Published: 15 May 2022
Fig. 11 Schematic of the wear process of fiber-reinforced epoxy composite. Adapted from Ref 56 More
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006936
EISBN: 978-1-62708-395-9
... materials. The inspection of these components is substantially different from that of later fiber-reinforced material systems. It was the rapid growth of the composites industry, in both material types and applications, that spawned the need for effective nondestructive evaluation (NDE) methods...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006869
EISBN: 978-1-62708-395-9
... a theoretical synthesis of the literature regarding the wear mechanisms of: Particulate-filled polymers Short fiberreinforced polymers (SFRPs) Polymers with continuous fibers Mixed reinforcements (either with fiber and filler or with two types of fillers known as hybrid composites) and fabrics...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006929
EISBN: 978-1-62708-395-9
... and behave more Fickian as the hinderance coefficient approaches 1. Melo et al. ( Ref 10 ) utilized the Langmuir model in their modelling study to predict the absorption behavior of composites reinforced with vegetable fiber using constant and variable diffusion coefficients. The thicknesses of the water...
Image
Published: 15 May 2022
Fig. 8 Scanning electron microscopy images of the reinforcements: (a) carbon fibers, 3000×, (b) glass fibers, 800×, and (c) aramid fibers, 1000×. Back-scattering images of the worn surfaces of fibers-reinforced polyimide composites under dry sliding: (d) carbon fiberreinforced polyetherimide More
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006916
EISBN: 978-1-62708-395-9
... level of crystallinity resulting from poor processing practices using this technique. Fiber reinforcement and mineral fillers are often incorporated into polymers to enhance some of their properties or to lower the cost. If a different grade of material with a lower or a higher level...
Image
Published: 15 May 2022
Fig. 10 The effect of nanoparticles on the contact mode for the short fiberreinforced polymer composites (for better illustration purposes: fibers size is too small, and nanoparticles are too large with respect to surface roughness) More
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Published: 01 January 2002
Fig. 9 Scanning electron microscope micrographs of abraded PEI composites reinforced by various fabrics; L 12 N, SiC paper 80 grade (grit size 175 μm); distance slid 10 m (33 ft). O P , fabric parallel to the sliding plane; O N , fabric normal to the sliding plane. (a) PEI AF (O P ) showing More
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006940
EISBN: 978-1-62708-395-9
... a significant influence on the S - N curves of polymers, and they should be considered when a component is made of polymers. Fiber type, orientation, distribution, and content are important parameters affecting fatigue properties in short-fiber (glass/carbon)-reinforced thermoplastic composites ( Ref 19...
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
.... The high pressures used in such processes as injection molding can both reduce some of the effects of shrinkage, by packing out the mold, and cause distortion of the product, by increasing internal stresses. With glass-fiber-reinforced materials, shrinkage of the resin away from the surface during molding...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006923
EISBN: 978-1-62708-395-9
... or mechanical property as a function of temperature or time at a constant temperature or as a function of temperature. This dependency allows access to processing and performance information relating to resins and fiber-reinforced composites and can be used for quality assurance, process control, and new...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006928
EISBN: 978-1-62708-395-9
..., because the fixture does not produce a state of pure shear. Wear of the die will affect the results. ASTM D 5379 is more likely to produce design values and also applies to composite materials, including chopped-fiber compounds. Shear strength is often estimated as one-half the tensile strength...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006925
EISBN: 978-1-62708-395-9
... in the lengthwise (axial) direction of the fiber. The design of such processing would not be possible without an understanding of chemical structure. This introductory article describes the various aspects of chemical structure that are important to an understanding of polymer properties and thus their eventual...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006850
EISBN: 978-1-62708-395-9
.... , Lu Z. , and Hager A.M. , Recent Advances in Polymer Composites’ Tribology , Wear , Vol 190 , 1995 , p 139 – 144 10.1016/0043-1648(96)80012-3 16. Kato T. and Magario A. , The Wear of Aramid Fibre Reinforced Brake Pads: The Role of Aramid Fibres , STLE Trib. Trans...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
... or induction heating), brazed-on shields of Stellite 6B, or welded-on hard facing. Helicopter rotors are made of titanium sheet laid over a structural framework and pressurized internally with nitrogen, or of fiber-reinforced composites with a polymeric foam core. Manifestations of Liquid-Droplet Erosion...