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alumina-silica fibers

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003357
EISBN: 978-1-62708-195-5
... Abstract This article focuses on the production methods, properties, and applications of two main types of commercially available continuous-length ceramic fibers, namely, oxide fibers based on the alumina-silica system and on alpha-alumina, and nonoxide fibers based primarily on beta-phase...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003359
EISBN: 978-1-62708-195-5
... Abstract For the reinforcement of metal-matrix composites, four general classes of materials are commercially available: oxide fibers based primarily on alumina and alumina silica systems, nonoxide systems based on silicon carbide, boron fibers, and carbon fibers. This article discusses the key...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003352
EISBN: 978-1-62708-195-5
... fibers are polycrystalline. Oxide ceramic (e.g., silica-alumina and pure alumina) fibers and nonoxide ceramic (e.g., silicon carbide) fibers ( Ref 4 ) are used to reinforce CMCs and MMCs ( Ref 5 ). The following overview of PMC reinforcing fibers focuses on the cost-considered value-in...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003353
EISBN: 978-1-62708-195-5
... materials known today. They are readily produced from raw materials, which are available in virtually unlimited supply ( Ref 1 ). All glass fibers described in this article are derived from compositions containing silica. They exhibit useful bulk properties such as hardness, transparency, resistance to...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003033
EISBN: 978-1-62708-200-6
... of weight, and processibility. Glass is made by fusing silicates with soda or with potash, lime, or various metallic oxides. The molten mass is then cooled rapidly to prevent crystallization. All glass compositions described in this article are derived from silica and the silicates. Two basic...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006563
EISBN: 978-1-62708-290-7
... Abstract This article focuses on powder bed fusion (PBF) of ceramics, which has the potential to fabricate functional ceramic parts directly without any binders or post-sintering steps. It presents the results of three oxide ceramic materials, namely silica, zirconia, and alumina, processed...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003447
EISBN: 978-1-62708-195-5
... unidirectional fabrics for fishing rod reinforcement. Crowfoot weave fabrics also conform easily to contoured surfaces. Resin forms are categorized as liquid, powder, or solid pellets. They can be combined with fiber or have fillers, such as carbon, graphite, calcium carbonate, clay, hydrated alumina or silica...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005912
EISBN: 978-1-62708-167-2
... cooling load on the induction coils from the heat generated by the susceptor. Insulators made of graphite felt, ceramic fibers, silica fibers, ceramics (including machinable alumina silicates), ceramic particles (grog), and boards of such materials are readily available from a variety of companies. Care...
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
... ceramics, such as SiC, alumina silica, and the matrix can be a metal, such as aluminum, copper, titanium, or magnesium. Fig. 2 Classification of metal-matrix composites. (a) Aligned continuous fiber-reinforced composite. (b) Short fiber-reinforced composite. (c) Particulate composite Fiber...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003031
EISBN: 978-1-62708-200-6
... glass fibers by Owens-Corning. Both S-glass and S-2 glass are magnesium aluminosilicates having a higher alumina content than E-glass. Both filament strength and stiffness are increased over those of E-glass fiber, to about 4600 MPa (670 ksi) tensile strength, and 85.5 GPa (12.4 × 10 6 psi) Young's...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002478
EISBN: 978-1-62708-194-8
... promote wetting or to prevent reaction. Silica can be coated on alumina to promote wetting, and silicon carbide can be deposited on boron or carbon fibers to inhibit reaction with aluminum. The matrix composition can also be adjusted to promote wetting by adding a reactive element or by lowering the...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003256
EISBN: 978-1-62708-176-4
... 1.2–2.2 10–25 1.5–3.6 Steatite 1–3 0.1–0.4 140–160 20–23 850–1000 123–145 Silica refractories, 96–97% SiO 2 … … 8–14 1.2–2.0 30–80 4.4–11.6 Fireclay refractories, 10–44% Al 2 O 3 20–45 2.9–6.5 5–15 0.7–2.2 10–80 1.5–11.6 Corundum refractories, 75–90% Al 2 O 3 30–120...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003486
EISBN: 978-1-62708-195-5
... . Discontinuous reinforcement involves the addition of particles, platelets, whiskers, or chopped fibers, typically to a polycrystalline ceramic, glass, or glass-ceramic matrix. From an application viewpoint, the most important matrix material is alumina (Al 2 O 3 ), although discontinuously reinforced CMCs have...
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
... composed of several minerals and contain silica and alumina with varying amounts of calcia, magnesia, soda, potassia, and iron oxide. The alumina material is usually relatively expensive compared with other batch materials, and its choice depends on price, availability, and meltability. Melting problems...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003351
EISBN: 978-1-62708-195-5
... alumina, alumina-silica, and silicon carbide are used to reinforce metallic alloys and ceramics, and in some cases, to reinforce polymers where unique physical properties are required, such as low dielectric constants or infrared transparency. Improvements to fiber performance and reductions in fiber cost...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003449
EISBN: 978-1-62708-195-5
... polycrystalline materials with silica at their grain boundaries. As a result, alumina-base fibers begin to creep at temperatures as low as 900 °C (1650 °F) and retain almost no strength at temperatures above 1150 °C (2100 °F). Thus, although alumina and other oxide fibers have considerable potential as CFCC...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003067
EISBN: 978-1-62708-200-6
... biological implants. In terms of composition type, the clear majority of glass products, particularly those that may be regarded as commodities, are represented by soda-lime-silica glasses. Typical products include most of the flat glass and containers, much of the fiberglass, and many of the lighting...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
... fibers are incorporated into slips of finely divided fused silica, then fired. The increased porosity (due to the presence of fiber) usually results in degradation of properties. Plasma spraying Mo-Al 2 O 3 , W-Al 2 O 3 Alumina powder is plasma sprayed. Processing is slow. Chemical vapor...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003012
EISBN: 978-1-62708-200-6
... resistance Microspheres, solid Improves flow properties, stress distribution Organic fillers Extenders/fillers, such as wood flour, nutshells, corncobs, rice, peanut hulls Polymeric fibers Reinforcement; lightweight Silica Fillers/extenders/reinforcements; thickens liquid systems and makes...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003032
EISBN: 978-1-62708-200-6
... surfaces. Resin forms are categorized as liquid, powder, or solid pellets. They can be combined with fiber or have fillers, such as carbon, graphite, calcium carbonate, clay, hydrated alumina or silica powder, added to them. The fiber-resin forms in a majority of structural component applications are...