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glass melting

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003065
EISBN: 978-1-62708-200-6
... Abstract The large majority of the commercially important glasses are processed from a carefully calculated batch of raw materials that is then melted in special furnaces. Providing an introduction to melting practices of glass production, this article focuses on various finishing methods of...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005204
EISBN: 978-1-62708-187-0
... implants; fasteners for aerospace applications Molybdenum Dies for conventional and isothermal forging equipment; electrodes for glass melting; targets for x-ray equipment; cladding and fasteners for missile and reentry vehicles Niobium Superconductive wire for energy transmission and large magnets...
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
... porous ceramics Phase separation Separated phases, droplets/interconnected Silica gel, poly(lactic acid)- glass Freeze and dry Frozen particles, air Organic-inorganic hybrids Dissolution Water-soluble crystals (sucrose, NaCl) Organic-inorganic hybrids Melting Low-melting crystals...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006671
EISBN: 978-1-62708-213-6
... glasses. Methods of chemical analysis are applicable to both ceramics and glasses, but often characterization techniques are specific to either ceramics or glasses. It is generally necessary to dissolve the material because melting and/or vaporization of the ceramic or glass is difficult. This task...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005303
EISBN: 978-1-62708-187-0
.... Source: Ref 2 Neutral cover fluxes are used to reduce metal loss by providing a fluid cover. Fluxes of this type are usually based on borax, boric acid, or glass, which melts at copper alloy melting temperatures to provide a fluid slag cover. Borax melts at approximately 740 °C (1365 °F). Such...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003066
EISBN: 978-1-62708-200-6
... glasses. Hexavalent uranium, for example, has been used to produce a characteristic yellow-green color. Other transition metals, such as platinum and rhodium, can cause colors in glasses under special conditions. These colors are usually a result of improper melting and are not normally desirable. The...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003056
EISBN: 978-1-62708-200-6
... then heated until the glass melts and reacts with the ceramics. In a variation of the process the surface of one of the components was first coated with molten glass, and this glazed surface was ground to precisely control the thickness of the joining material ( Ref 52 ). In contrast to diffusion...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003067
EISBN: 978-1-62708-200-6
... reducing the dead load imposed on a building's structure. The material is produced by melting, at elevated temperatures, silica, feldspar, calcium carbonate, zinc oxide, and barium carbonate into a glass and then submerging the molten glass into water to create granulated particles. The granulated glass...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005285
EISBN: 978-1-62708-187-0
... that occurs when a glass of beer is poured. The white drosses generated by any turbulent transfer of metal can be quite significant and moreover are among the richest in contained aluminum alloy of all drosses generated in aluminum processing ( Fig. 10 ). The entering stream of metal brings one layer...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003050
EISBN: 978-1-62708-200-6
... materials from recycled waste. One potential material is the refractory rubble from a glass melting furnace that is being rebuilt, especially if it contains hazardous materials from the original glass composition (such as lead or arsenic). The quantity of waste generated in the demolition of a glass furnace...
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
... solubility. Frits are prepared to allow the use of water-soluble materials, which are first melted to an insoluble glass, and then quenched and broken up. For a partially fritted glaze, only the soluble materials and sufficient network former to make an insoluble glass are fritted. In an all fritted glaze...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003004
EISBN: 978-1-62708-200-6
... Abstract This article is a comprehensive collection of engineering property data in tabulated form for ceramics and glasses. Data are provided for physical and mechanical properties of ceramic materials and color of ceramics fired under oxidizing and reducing conditions. The article also lists...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003161
EISBN: 978-1-62708-199-3
... mounting, where the integrated circuit packages would be vulnerable to thermal damage at the temperatures required for conventional tin-lead soldering Assembly operations using injection-molded circuit boards where the glass transition temperature is too low for the use in tin-lead alloys. ...
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
... discontinuous 3–6 mm long, 15–25 μm diam 0–23 vol% SiC particles 9–12 3–60 SiC whiskers 5–10 10, 0–0.5 vol% Mica 40–180 3–10 SiO 2 5–53 5 Zircon 40 0–30 Glass particles 100–150 8 Glass beads (spherical) 100 30 MgO (spherical) 40 10 Sand 75–120 36 vol...
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
... refractories is composed of Al 2 O 3 and SiO 2 . Modern glass manufacture uses multizoned furnaces to achieve melting, homogenizing, refining, and forming of a multitude of vitreous compositions into glassware. Typical industrial furnace design comprises a voluminous “bath” of molten glass...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005334
EISBN: 978-1-62708-187-0
... Abstract This article focuses on the variety of alloys, furnaces, and associated melting equipment and on the casting methods available for manufacturing magnesium castings. The casting methods include sand casting, permanent mold casting, die casting, thixomolding, and direct chill casting...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004032
EISBN: 978-1-62708-185-6
... (0.25 mm/s), with even lower viscosities sufficient at higher velocities. In a process such as hot extrusion with a glass pad, the film gradually melts off; therefore, not only viscosity but also viscosity-temperature slope becomes important ( Ref 30 ). A general discussion is presented later in this...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003023
EISBN: 978-1-62708-200-6
...) Short-term continuous service temperature. (b) Long-term continuous service temperature Table 2 Glass transition and melting temperatures of selected thermoplastic and thermoset resins Chemical name Glass transition temperature ( T g ) Melting temperature ( T m ) °C °F °C °F...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001280
EISBN: 978-1-62708-170-2
... spraying or detonation-gun techniques. Table 6 gives the melting points of ten carbides. Glass coatings can be applied by spraying or air brushing (for which the material is atomized and carried by compressed air), dipping and draining (which may be followed by spraying), slushing and draining, filling...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003049
EISBN: 978-1-62708-200-6
... century, when glass thermometers and the simple telescope were developed. Advances in composition and in melting and forming technology have continued through the present. Property optimization has been the key to recent progress in the development of advanced ceramics and glasses. For instance...