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glass forming

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230145
EISBN: 978-1-62708-298-3
... Metall. , Vol 27 ( No. 11 ), p 1727 – 1747 10.1016/0001-6160(79)90087-7 Xiao X. , Fang S. , Wang G. , Hua Q. , and Dong Y. , 2004 . Influence of Beryllium on Thermal Stability and Glass-Forming Ability of Zr-Al-Ni-Cu Bulk Amorphous Alloys , J. Alloy. Compd. , Vol...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730081
EISBN: 978-1-62708-283-9
... diamond fullerenes glasses graphite nanotubes Portland cement CERAMICS ARE NONMETALLIC, inorganic materials. Most ceramics can be grouped into several distinct groups. One group consists of crystalline compounds such as magnesium oxide, aluminum oxide, and boron nitride. Glasses form a second...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220281
EISBN: 978-1-62708-341-6
... processes. bonding electronics glass processing induction heating metal-finishing industries packaging plastics processing vacuum process vessel heating In a large number of applications, induction heating is utilized to raise the temperature of a metal prior to forming or joining...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870031
EISBN: 978-1-62708-314-0
... 11 Fig. 2.5 Manufacturing processes for fiberglass fibers Fig. 2.13 Carbon fiber structure. Source: Ref 5 Fig. 2.6 Typical glass fiber product forms Fig. 2.11 Structure of graphite crystal Fig. 2.22 Resin-mixing schematics. Sources: Photo, Cytec...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420263
EISBN: 978-1-62708-310-2
... of thermodynamically calculated compositions of liquid alloys at the five-phase invariant equilibria with those identified experimentally as bulk metallic glass formers for the Zr-Cu-Ni-Ti system. Source: Ref 13.3 as published in Ref 13.2 In the second example, the effect of titanium on the glass-forming...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290279
EISBN: 978-1-62708-306-5
..., electron tubes, electrical feedthroughs, and housings for semiconductors are some of the many applications that use glass-to-metal seals. In lamps and electronic tubes, glass is used because it transmits light, can be easily formed into useful shapes, and provides electrical insulation and chemical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230093
EISBN: 978-1-62708-298-3
... Solutions , J. Phys. Chem. , Vol 52 , p 819 10.1021/j150461a007 Mackenzie J.D. , 1960 . Structure of Glass Forming Halides, Part I: Liquid Beryllium Fluoride , J. Chem. Phys. , Vol 32 , p 1150 – 1152 10.1063/1.1730864 Maddox R.L. , and Foos R.A. , 1966 . Process...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
... are used in industrial applications, such as paper or paint drying, chemical processing, metal treating, and glass forming. The single-layer porous mesh screen is mounted directly above the burner surface. Immersion heater tubes . SiC-SiC composite burner tubes ( Fig. 11.15 ) have been developed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780064
EISBN: 978-1-62708-281-5
... parts The product designer must also consider that the plastic molding or forming process influences the plastic part performance. The physical, mechanical, and chemical properties of the material can be affected by the molding/forming process. The part designer needs to understand the rudiments...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
... fibers have greater flexibility and are more amenable to fabrication processes such as weaving or forming over radii. Typical fibers include glass, aramid, and carbon, which may be continuous or discontinuous. Fig. 8.2 Typical reinforcement options. Source: Ref 8.1 The continuous phase...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350125
EISBN: 978-1-62708-315-7
... applications Buildup; lubricant in forming; heat sink; selective case hardening Buildup under or instead of chromium in corrosive conditions; printing surfaces PVC molding tools and dies; moving parts in process glass and rubber molds Molds, tools, valves, rams, pistons shafts, gauges, dies, saw blades...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730011
EISBN: 978-1-62708-283-9
... compositions to form glasses included appreciable amounts of small atoms including phosphorus, silicon, beryllium, and germanium. Cooling rates of 10 3 K/s to 10 5 K/s were necessary to prevent crystallization. This limited glass formation in alloys to thin ribbons or wires. More recently magnesium-base, iron...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730099
EISBN: 978-1-62708-283-9
... is highly branched. The bonds between neighboring molecular chains are weak van der Waals bonds. Therefore, most polymers do not readily crystallize. Instead, on cooling they form an amorphous glass at a glass transition temperature. The relative positions of molecules are frozen so the amorphous glass...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870373
EISBN: 978-1-62708-314-0
... composites are the most widely used composite material. They are available in the widest variety of product forms, ranging from short chopped fibers that are randomly oriented within the matrix to unidirectional continuous fiber composites. The biggest advantage of glass fiber composites, especially those...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870285
EISBN: 978-1-62708-314-0
... and appliance industries. Design flexibility, the ability of glass-fiber-reinforced thermoplastics to form intricate shapes, very high production rates, and low cost per piece account for the extensive application thermoplastic injection molding. In injection molding, the molding compound, in pellet form...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
.... Design limitations include the need for a large proportion of reinforcement in the longitudinal (axial) direction. Hybrids are material forms that make use of two or more fiber types. Common hybrids include glass/carbon, glass/aramid, and aramid/carbon fibers. Hybrids are used to take advantage...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870573
EISBN: 978-1-62708-314-0
... and matrix cracking. In addition, crystalline ceramics heated past their melting points have such high viscosities that the infiltration of preforms is very difficult, if not impossible. Glass-ceramics start as amorphous glasses that can be formed into a shape and transformed into crystalline ceramics...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
... of the metallic bond, dislocations move under relatively low stresses. However, ceramics form either ionic or covalent bonds, both of which restrict dislocation motion and slip. One reason for the hardness and brittleness of ceramics is the difficulty of slip or dislocation motion. While ceramics are inherently...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550325
EISBN: 978-1-62708-307-2
..., the heat deflection temperature can be influenced by the addition of glass fibers. Softening or relaxation is also a function of the crystallinity of the plastic, that is, the uniform compactness of the molecular chains forming it. As shown in Table 7.7 , glass-fiber reinforcements increase the heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780003
EISBN: 978-1-62708-281-5
...-fiber-reinforced forms. The reinforced grades are noted for their strength retention at elevated temperatures. For example, a 30 vol% glass-fiber-reinforced polyketone has a heat-deflection temperature of 325 °C (619 °F) at 1.82 MPa (0.264 ksi) and a tensile strength exceeding 30 MPa (4.4 ksi) at 250 °C...