1-20 of 28 Search Results for

vitreous silica

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003066
EISBN: 978-1-62708-200-6
... two-dimensional network, such as that formed by vitreous boric oxide or a three-dimensional network, as is the case for vitreous silica and germania, or it may be composed of polymeric chains, as in vitreous phosphoric oxide. The introduction of modifiers to these structures can alter them, either by...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009013
EISBN: 978-1-62708-185-6
... reference material. Available temperature ranges are usually only limited by the availability of stable reference materials. Temperatures can range up to 2000 °C for some systems. The three most common methods of measuring CTE are through the use of a quartz dilatometer, a vitreous silica dilatometer, or...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004025
EISBN: 978-1-62708-185-6
... only limited by the availability of stable reference materials. Temperatures can range up to 2000 °C (3630 °F) for some systems. The three most common methods of measuring CTE are through the use of either a quartz dilatometer, a vitreous silica dilatometer, or an interferometer. The quartz...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001316
EISBN: 978-1-62708-170-2
... are manufactured by specialty firms and not by the users. In 1991, the cost of ceramic pigments ranged from $9 to $50/kg ($4 to $20/lb) or even higher, depending on the elemental composition and the processing required. Most glazes contain more silica than all the other constituents combined. Silica...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003051
EISBN: 978-1-62708-200-6
... vitrification increases, the strength of the body and its resistance to chipping normally increase until a stage of glassiness occurs. At this stage, brittleness begins to develop. Most whiteware compositions lie within a relatively small compositional range in the alkali-silica-alumina system. Within this...
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 Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006674
EISBN: 978-1-62708-213-6
... Linear Thermal Expansion of Plastics Between −30 °C and 30 °C with a Vitreous Silica Dilatometer ASTM E 473 Standard Terminology Relating to Thermal Analysis and Rheology ASTM E 1363 Standard Test Method for Temperature Calibration of Thermomechanical Analyzers ASTM E 1545 Standard Test...
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
... processes” are now formed primarily from molten glass. The products within this latter group that are formed from other than molten glass are few in number; hollow glass spheres are one example. High-silica glass optical fibers have been formed from molten glass by the double crucible method; however...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003050
EISBN: 978-1-62708-200-6
... (unless the material is in the form of a slip). Fired scrap usually requires grinding or crushing if it is used as a raw material. Waste from certain industrial processes has potential as raw materials for the ceramic and glass industries: silica-containing deposits from geothermal plants for...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003174
EISBN: 978-1-62708-199-3
.... The high temperatures required encourage reactions between the metal and the sand. For this reason, non-silica sands such as zircon, chromite, and olivine are frequently used in steel foundries, either for the entire mold, or as facing sands. When silica sand is used, it is usually coated with a mold...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003841
EISBN: 978-1-62708-183-2
... seen use in place of chemical-resistant masonry for some of these applications. Two categories of chemical-resistant masonry exist: acidproof brick (red shale and fireclay brick) and specialty materials (such as silica, silicon carbide, high alumina, and carbon). Although not a true ceramic material...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005675
EISBN: 978-1-62708-198-6
..., pH changes, solvent conditions, and temperature ( Ref 1 ). Ceramics are also widely used in dentistry as restorative materials such as gold-porcelain crowns, glass- or silica-filled resin composites, dentures, and so forth. This article is concerned with ceramics, glasses, glass-ceramics, and their...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003052
EISBN: 978-1-62708-200-6
...., silica and alumina). Each of these constituents contributes to the plastic-forming and fired characteristics of the body. Clay can have various forms that are easy to distinguish as the sticky, plastic component of soil. However, clay can also occur as rock or slate, due to either compression or its...
Book Chapter

Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006685
EISBN: 978-1-62708-213-6
... fluorescence background, are often difficult to locate in the noise associated with fluorescence. The background fluorescence for silicas is fairly weak, but that for the alumina and silica-aluminas is considerably more intense ( Ref 9 ). Various fluorescent impurities on solid surfaces have been identified...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001308
EISBN: 978-1-62708-170-2
... compressive stresses that blasting sets up in the surface; coarse abrasives can wear through thin aluminum sections. Typical conditions for dry blasting with silica abrasive are given in Table 1 . Table 1 Conditions for abrasive blast cleaning of aluminum products with silica Grit size Mesh...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003055
EISBN: 978-1-62708-200-6
... conventional abrasives and superabrasives in the machining of selected ceramic and glass components Material Bond type Applications Conventional Silicon carbide Vitreous Grind soft ceramics Flame spray ceramic coatings Glass beveling Rubber Cutoff glass tubing Coated Seaming plate...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001232
EISBN: 978-1-62708-170-2
... properties to the slurry. Abrasive grains generally used with all finishing compounds include: Tripoli and/or silica for finishing of most nonferrous materials and plastics Fused aluminum oxide for finishing of ferrous products Calcined alumina for finishing of ferrous and nonferrous materials...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003059
EISBN: 978-1-62708-200-6
... Cubic close-packed 4:4 1 2 tetrahedral sites AX 2 Fluorite Simple cubic 8:4 1 2 cubic sites AX 2 Rutile Tetragonal close-packed 6:3 1 2 octahedral sites AX 2 Silica Connected tetrahedra 4:2 A 2 X Antifluorite Cubic close-packed 4...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001303
EISBN: 978-1-62708-170-2
... shot, or iron grit. Dry coating methods use formulations that are mainly silica; these formulations generate a surface with the hardness and abrasion resistance of glass. Fluxes and opacifiers are mixed into the silica, and the mixture is then melted, quenched, and ground to make frit. (Frit is the...