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fiber orientation

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003064
EISBN: 978-1-62708-200-6
...-carbon composites at various final heat treatment temperatures Fiber orientation HTT Density, g/cm 3 Flexural strength Modulus ILSS Strain to failure, % °C °F MPa ksi GPa 10 6 psi MPa ksi ±15° tow 1200 2190 1.55 520 75.4 90 13.0 18 2.6 0.4 ±15° tow 2200 3990...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003033
EISBN: 978-1-62708-200-6
..., carbonization, graphitization (optional), surface treatments, application of sizings or finishes, and spooling. Stabilization is carried out at temperatures below 400 °C (750 °F) in various atmospheres. The fibers are often stressed during this stage of the process to improve the orientation of the...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000625
EISBN: 978-1-62708-181-8
... Abstract This article is an atlas of fractographs that helps in understanding the causes and mechanisms of fracture of metal-matrix composites, including tungsten fiber-reinforced aluminum, tungsten fiber-reinforced carbon steel, and tungsten fiber-reinforced silver. The fractographs illustrate...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003045
EISBN: 978-1-62708-200-6
... materials. The techniques can be used to characterize material discontinuities such as delaminations, cracks, voids, and matrix-rich pockets. It is also possible to visualize fiber orientation, measure changes in material thickness, and determine elastic and sonic properties. As already mentioned...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003034
EISBN: 978-1-62708-200-6
.... Bulk molding compounds are processed by compression, transfer, and injection molding. Compression molding is used for large parts and wherever strength is critical to a molded part. This molding method causes the least amount of damage to reinforcing fibers, and in some cases the orientation of the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003044
EISBN: 978-1-62708-200-6
... Abstract Tensile testing of fiber-reinforced composite materials is performed to determine uniaxial tensile strength, Young’s modulus, and Poisson’s ratio relative to principal material directions, and helps in the prediction of the properties of laminates. Beginning with an overview of the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003031
EISBN: 978-1-62708-200-6
... compared, it is found that even if a flaw does produce failure in a fiber, it will not propagate to fail the entire assemblage of fibers, as would happen in the bulk material. Furthermore, preferred orientation may be used (as in aramid and carbon fibers) to increase the lengthwise modulus, and perhaps...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005339
EISBN: 978-1-62708-187-0
.... It illustrates the three broad categories of MMCs depending on the aspect ratio of the reinforcing phase. The categories include continuous fiber-reinforced composites, discontinuous or short fiber-reinforced composites, and particle-reinforced composites. The article discusses the two main classes...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
... boundary sliding should not be present, and the fiber should be creep resistant as long as the basal plane is oriented such that basal slip does not occur. Fig. 6 The edge-defined, film-fed growth process of making a single-crystal Al 2 O 3 fiber. Source: Ref 6 The laser-heated floating...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003032
EISBN: 978-1-62708-200-6
... molding compounds are generally omnidirectional in the plane of the part unless flow in molding causes directional orientation of the reinforcing fibers. Fig. 4 Definitions of test axes for various composite types. (a) Unidirectional continuous fiber-resin composites (filament wind, tape laydown...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003036
EISBN: 978-1-62708-200-6
... can be made from plaster or wood molds, whereas longer runs usually require more durable materials. Expensive molds made from steel are rarely used. Applications include boats, chemical tanks, ducts, swimming pools, and bathroom fixtures. Fiber orientation and resin content cannot be accurately...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006478
EISBN: 978-1-62708-190-0
...) Sound beam normal to fiber orientations Table 3 Acoustic wavelengths in materials Frequency Air Water Epoxy resin Graphite/epoxy Aluminum Titanium mm in. mm in. mm in. mm in. mm in. mm in. 50 kHz 0.66 0.026 2.96 0.12 6 0.24 6 0.24 12.6 0.50 12.2 0.48...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003038
EISBN: 978-1-62708-200-6
... materials. Once the fiber type has been selected, the next most important consideration is the ability to orient it in the desired direction to utilize its properties more advantageously. A common denominator for all materials used in pultrusion is that they must be available in a continuous form to...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003163
EISBN: 978-1-62708-199-3
... fatigue deformation and a reduced CTE. Continuous fiber Al/Al 2 O 3 MMCs are fabricated by arranging Al 2 O 3 tapes in a desired orientation to make a preform, inserting the preform into a mold, and infiltrating the preform with molten aluminum via a vacuum assist. Reinforcement-to-matrix bonding is...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003012
EISBN: 978-1-62708-200-6
... not a fiber, it is less likely to orient during processing and therefore offers isotropic properties ( Ref 2 ). Aluminum flakes are typically used as a conductive filler, for example to provide electromagnetic interference shielding. The degree of adhesion between the polymer and the reinforcing...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003065
EISBN: 978-1-62708-200-6
... gives a detailed account of production, properties and application of fiberglass, optical fibers, glass spheres and ceramic glasses, and describes the forms, classification, compositions and properties of glass/metal and glass-ceramic/metal seals. fiberglass forming glass melting glass spheres...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003067
EISBN: 978-1-62708-200-6
... Abstract This article reviews the applications of traditional glasses in architecture, transportation, construction, houseware, containers, and fibers. It also describes uses of specialty glasses for aerospace and military applications, biomedical and dental applications, chemical-resistant...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004028
EISBN: 978-1-62708-185-6
... of rolling reduction. The following paragraphs compare the rolling texture, stress dispersion, and slip system activity, predicted by several models concerning rolling. The fcc rolling texture is characterized by the development of the β fiber, with ⟨110⟩ tilted 60° to the rolling direction. Three...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006660
EISBN: 978-1-62708-213-6
... complicated but show the expected α- and γ-fibers expected from rolled bcc metals ( Ref 42 ). It is also possible to provide measures of microstructural aspects from EBSD maps and data. One interesting measure is grain size. Grain size has been more traditionally measured from etched metallographic samples...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003040
EISBN: 978-1-62708-200-6
... yarns are interlaced. Braiding has many similarities to filament winding. Dry or prepreg yarns, tapes, or tow can be braided over a rotating and removable form or mandrel in a controlled manner to assume various shapes, fiber orientations, and fiber volume fractions. Although braiding cannot achieve...