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niobium-titanium superconductors

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Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001110
EISBN: 978-1-62708-162-7
...Abstract Abstract Niobium-titanium alloys (NbTi) became the superconductors of choice in the early 1960s, providing a viable alternative to the A-15 compounds and less ductile alloys of niobium-zirconium. This can be attributed to the relative ease of fabrication, better electrical properties...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003155
EISBN: 978-1-62708-199-3
... from the bulk of the superconductor. Superconducting materials that have received the most attention are niobium-titanium superconductors (the most widely used superconductor), A15 compounds (in which class the important ordered intermetallic Nb3Sn lies), ternary molybdenum chalcogenides (Chevrel...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001108
EISBN: 978-1-62708-162-7
... a contribution entitled “Principles of Superconductivity,” the manufacture, properties, and applications of various superconducting materials are addressed in the following articles: “Niobium-Titanium Superconductors” (the most widely used superconductor) “A15 Superconductors” (in which class...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004008
EISBN: 978-1-62708-185-6
..., each individually surrounded by a normal metal matrix. The superconductor itself is usually a ductile alloy of niobium and titanium ( Fig. 14 ) or a brittle intermetallic of niobium and tin (Nb 3 Sn) ( Fig. 15 and 16 ). Fig. 14 Cross section of 500 niobium-titanium filaments separated...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001111
EISBN: 978-1-62708-162-7
... Rod Process The various rod processes for A15 conductors resemble very strongly those described for NbTi conductors (see the article “Niobium-Titanium Superconductors” in this Volume). The bronze process consists of stacking vanadium or niobium alloy rods in bronze tubes or drilled bronze...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001109
EISBN: 978-1-62708-162-7
... in all parameters. Operating conditions for superconducting magnets are often at temperatures of T ≦ 0.5 T c . Fig. 7 The critical surface for a niobium-titanium alloy. As long as the state of the superconductor remains within the critical surface, it will be superconducting. The strong...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001079
EISBN: 978-1-62708-162-7
... wire, in which very fine filaments of the alloy (with thicknesses of <1 μm, or 40 μin.) are embedded in a copper matrix (see the article “Niobium-Titanium Superconductors” in this Volume and the section “The Manufacture of Commercial Superconductors” in the article “Wire, Rod...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003824
EISBN: 978-1-62708-183-2
... be considered for service in 70% sulfuric acid at 165 °C (330 °F) ( Ref 16 ). Mechanisms of Corrosion Resistance Niobium, like other refractory metals, derives its corrosion resistance from a readily formed, adherent, passive oxide film, Nb 2 O 5 . Similar to titanium, niobium will also form lower...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001080
EISBN: 978-1-62708-162-7
...Abstract Abstract Titanium has been recognized as an element with good mechanical and physical properties, alloying characteristics, and corrosion resistance. Providing an outline of general characteristics and types of titanium alloys, this article discusses the contemporary technology...
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
... (reaction bonding) is usually performed by pressing the components together at a high temperature. Success depends on the formation of an adequate interfacial contact. The most extensively studied systems are alumina with niobium, aluminum, nickel, platinum, and titanium. The metals react with Al 2 O 3...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002462
EISBN: 978-1-62708-194-8
... with processing parameters to meet the requirements of new technology. This process is ongoing today with the base alloys available for centuries (iron, copper, tin) as well as with the newer base alloys currently recruited to meet modern needs with unique property requirements (titanium, tungsten, niobium). When...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005887
EISBN: 978-1-62708-167-2
...Abstract Abstract This article focuses on the temperature requirements of typical nonferrous metals and their alloys of commercial importance. These include aluminum, copper, magnesium, and titanium. The article describes the thermoelectricity, photoelectricity, and capacity of aluminum alloys...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001102
EISBN: 978-1-62708-162-7
...-temperature properties of Fe 3 Al aluminides by alloy additions of such elements as titanium, molybdenum, silicon, chromium, nickel, manganese, niobium, and tantalum ( Ref 148 , 149 , 151 , 152 , 153 , 154 , 155 , 156 ). Among these alloying elements, titanium, molybdenum, and silicon are most...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001105
EISBN: 978-1-62708-162-7
... for a cermet can also be chosen from the group of more reactive metals, such as titanium or zirconium, or it can be selected from series of refractory metals that includes chromium, niobium, molybdenum, and tungsten. Lower-melting metals and alloys, primarily those based on copper and aluminum, round out...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003062
EISBN: 978-1-62708-200-6
... applications, but TiO 2 is also being developed as an oxygen sensitive resistive sensor. Other categories of ceramic materials include ferrites and ceramic superconductors. Recent developments in ferrites have been related primarily to their use as recording heads, but research in the area of microwave...
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
... (for example, zirconium, titanium, niobium, tantalum, and so on) alloyed with a late transition element (for example, nickel, cobalt, iron, palladium, and so on). The composition ranges of these glass-forming systems were found to be more varied than those of the metal-metalloid glasses. Both classes of alloys...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001457
EISBN: 978-1-62708-173-3
..., it retains about 15% open porosity, which can wick a brazing filler material away from the joint area. Reaction-sintered silicon carbide can have significant amounts of unreacted metallic silicon that can affect joining by reacting with the active element (such as titanium) in the filler metal...
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
...-titanium yellow rutile 71077-18-4 (Ti,Ni,Sb)O 2 11-15-4 Nickel-niobium-titanium yellow rutile 68611-43-8 (Ti,Ni,Nb)O 2 11-16-4 Chrome-antimony-titanium buff rutile 68186-90-3 (Ti,Cr,Sb)O 2 11-17-6 Chrome-niobium-titanium buff rutile 68611-42-7 (Ti,Cr,Nb)O 2 11-18-6 Chrome...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003005
EISBN: 978-1-62708-200-6
... low carbon contents (0.05 to ∼0.25%) in order to produce adequate formability and weldability, and they have manganese contents up to 2.0%. Typically, HSLA steels are strengthened by small additions of elements such as niobium (also known as columbium), copper, vanadium, or titanium and sometimes...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004007
EISBN: 978-1-62708-185-6
... extrusion) ( Ref 69 ) 90 … … Chromium ( Ref 78 ) 45 174 … Molybdenum:  Rolled ( Ref 31 , 67 ) 45 191 215–263  Sintered ( Ref 31 , 67 ) 45 216 252–298  Arc-cast ( Ref 67 ) 45 242 263–308 Niobium ( Ref 31 , 67 ) 45 112 176–181 Niobium ( Ref 33 ) 20 … … Nb-2%Zr...