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amorphous alloys

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Published: 01 January 2005
Fig. 9 Passive current densities for high-purity aluminum and amorphous alloys of the Al-Co-Ce system, including heat treated material, in solution adjusted to various pH values using 1 M HCl or 1 M NaOH as neccesary. Source: Ref 56 More
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Published: 01 January 1986
Fig. 11 31 P NMR Knight shifts in amorphous nickel-phosphorus alloys prepared using different techniques. Also shown are Knight shifts for three crystalline alloys. Source: Ref 18 More
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003836
EISBN: 978-1-62708-183-2
... Abstract This article illustrates the three techniques for producing glassy metals, namely, liquid phase quenching, atomic or molecular deposition, and external action technique. Devitrification of an amorphous alloy can proceed by several routes, including primary crystallization, eutectoid...
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Published: 01 January 1990
Fig. 18 Various parts that use metallic glasses. Most prominently featured are two spools of as-cast amorphous alloy for high-frequency and antitheft applications. Also shown (right side) are four wound magnetic cores made from amorphous alloy ribbon. Several high-frequency epoxy-encapsulated More
Image
Published: 01 January 1986
Fig. 1 Magnetic phase diagrams. (a) Zero field phase diagram for an amorphous alloy series (Fe x Ni 1− x ) 75 P 16 B 6 Al 3 . Note the intermediate x (reentrant) region in which the material loses its ferromagnetism when T > T c or T < T f . This contrasts sharply More
Book Chapter

By W.L. Johnson
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001095
EISBN: 978-1-62708-162-7
... Abstract Metallic glasses can be prepared by solidification of liquid alloys at cooling rates sufficient to suppress the nucleation and growth of competing crystalline phases. This article presents a historical survey of the study of metallic glasses and other amorphous metals and alloys...
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Published: 31 December 2017
Fig. 22 Comparison of wear properties between a laser-clad coating and a Zr-base amorphous alloy coating and a magnesium substrate: (a) coefficient of friction as a function of sliding distance, and (b) wear volume loss. Source: Ref 103 More
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001259
EISBN: 978-1-62708-170-2
... current High-speed direct current High-speed pulsed direct current Composition Alloy Mixture Amorphous Structure Homogeneous Multilayer Composite Dispersed Post treatments Heat treatment Diffusion Laser glazing Chromium-Iron, Chromium-Nickel...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001450
EISBN: 978-1-62708-173-3
... of such alloys into ductile, thin, amorphous alloy foil forms when rapid solidification (RS) technology is used. In many cases, a foil filler metal produced by the RS process is very well suited for use in brazing applications. The advantageous utilization of microcrystalline/amorphous RS soldering or brazing...
Image
Published: 01 August 2013
Fig. 20 Amorphous Si 3 N 4 precipitates developing upon nitriding iron-silicon alloys. (a) At relatively low nitriding temperature, cubically shaped amorphous silicon nitride precipitates develop; the cubical shape, with faces parallel to {100} planes of the α-Fe matrix, is governed More
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001751
EISBN: 978-1-62708-178-8
... in the fabrication and study of amorphous or glassy ferromagnets ( Ref 1 ). The advent of these new classes of complexes (and other disordered alloys) has revealed the existence of conventional ferromagnetism, which prevails at all temperatures between O and the Curie temperature T c , and reentrant magnetism...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006421
EISBN: 978-1-62708-192-4
..., heat treatment, and laser-assisted coatings technologies (laser-assisted synthesis of in-situ interstitial, metallic alloy coatings, ceramic coatings, and thin films). Coverage also includes novel coatings such as high entropy alloy coatings and amorphous metallic coatings, as well as laser-based...
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Published: 01 January 2005
Fig. 11 E -log( i ) plot for fully amorphous (dotted line) and amorphous-nanocrystalline Al 90 Fe 5 Gd 5 alloy (dashed line) compared to high-purity polycrystalline aluminum (solid line). SCE, saturated colomel electrode. Source: Ref 117 More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0009239
EISBN: 978-1-62708-173-3
... (titanium grade 5) made using BTi-5 amorphous foil as a filler metal. Original magnification: 500×. (b) Macrostructure with crack propagation in this brazed joint. Original magnification: 100× Fig. 8 Microstructure of Ti-6Al-4V alloy joint brazed in vacuum at 860 °C (1580 °F) using amorphous foil...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001292
EISBN: 978-1-62708-170-2
... to be produced at room temperature. These include substitutional solid solutions of normally immiscible or low-solubility elements. Such highly metastable and amorphous alloys often possess unique physical and chemical properties. Ion implantation has been used extensively in the semiconductor industry since...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003788
EISBN: 978-1-62708-177-1
...-quality type 430FR ferritic stainless steel. Note that some of the ferrite grain boundaries were not revealed. Ralph's reagent (etchant 19, Table 1 ). Original magnification 100× Amorphous and Nanocrystalline Alloys Most commercial amorphous and nanocrystalline alloys are produced by a rapid...
Image
Published: 01 January 2005
Fig. 16 E -log( i ) data for pure polycrystalline magnesium compared to magnesium-nickel alloys shown in Fig. 15 The Mg-18.3%Ni alloy is fully amorphous. SCE, saturated calomel electrode. Source: Ref 119 More
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003616
EISBN: 978-1-62708-182-5
... to form an alloy. Alloys or metals with significant levels of impurities (unintentional alloys) are usually crystalline like nominally pure metals, but it is sometimes possible to prepare them in amorphous forms ( Ref 4 , 5 , 6 , 7 ). In crystalline form, alloys are subject to the same types...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003153
EISBN: 978-1-62708-199-3
...-purity iron, low-carbon irons, silicon (electrical) steels, nickel-iron alloys, iron-cobalt alloys, ferritic stainless steels, amorphous metals, and ferrites (ceramics). Finally, the article provides a short note on alloys for magnetic temperature compensation. amorphous metals ferrites ferritic...
Image
Published: 01 January 1993
Fig. 15 Microstructure of brazed joint of Ti-6Al-4V alloy with stainless steel 304 made using TiBraze200 amorphous foil as a filler metal. Original magnification: 100× More