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hafnium-tantalum alloys

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Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003826
EISBN: 978-1-62708-183-2
... hafnium-zirconium alloys and hafnium-tantalum alloys. It also deals with the applications of hafnium and its alloys in the nuclear and chemical industries. aqueous corrosion testing chemical properties corrosion corrosion resistance crevice corrosion galvanic corrosion hafnium hafnium alloys...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003825
EISBN: 978-1-62708-183-2
... versus tungsten content for tantalum-tungsten alloys exposed to concentrated H 2 SO 4 at 180 and 210 °C (360 and 410 °F) The corrosion behavior of substitutional tantalum-molybdenum, tantalum-tungsten, tantalum-niobium, tantalum-hafnium, tantalum-zirconium, tantalum-rhenium, tantalum-nickel...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003151
EISBN: 978-1-62708-199-3
... are zirconium, titanium, hafnium, tantalum, and tungsten. Alloy C-103 (Nb-10Hf-1Ti-0.7Zr) has been widely used for rocket components that require moderate strength at about 1095 to 1370 °C (2000 to 2500 °F). Alloy Nb-1Zr is used in nuclear applications because it has a low thermal neutron...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001313
EISBN: 978-1-62708-170-2
... fused-silicide coating system, particularly Si-20Ti-10Mo, appears practical for coating large, complex aerospace sheet metal components. A duplex coating consisting of a sintered hafnium boride-molybdenum silicide layer overlaid with a hafnium-tantalum slurry is serviceable at 1820 to 1870 °C (3310...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005442
EISBN: 978-1-62708-196-2
... Cesium 1.903 0.069 Chromium 7.19 0.260 Cobalt 8.85 0.322 Gallium 5.907 0.213 Germanium 5.323 0.192 Hafnium 13.1 0.473 Indium 7.31 0.264 Iridium 22.5 0.813 Lithium 0.534 0.019 Manganese 7.43 0.270 Mercury 13.546 0.489 Molybdenum 10.22 0.369...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0006543
EISBN: 978-1-62708-183-2
... 0.260 Cobalt … 8.85 0.322 Gallium … 5.907 0.213 Germanium … 5.323 0.192 Hafnium … 13.1 0.473 Indium … 7.31 0.264 Iridium … 22.5 0.813 Lithium … 0.534 0.019 Manganese … 7.43 0.270 Mercury … 13.546 0.489 Molybdenum … 10.22 0.369 Niobium...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006253
EISBN: 978-1-62708-169-6
... properties that can be classified as alpha (α) alloys, beta (β) alloys, or alpha-beta (α + β) alloys. Titanium also is part of a family of metals known as the reactive metals. All of these reactive metals, notably titanium, zirconium, niobium, and tantalum, benefit from highly protective oxide films. As a...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003823
EISBN: 978-1-62708-183-2
... process continues to be a method for purifying titanium, zirconium, and hafnium, even though it is slow and expensive. In the 1940s, several groups of scientists and engineers were investigating zirconium and other metals and alloys for nuclear reactors. A suitable structural material with good...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003140
EISBN: 978-1-62708-199-3
... major share of this market. The role of the interstitial elements oxygen, nitrogen, and carbon is described above. The substitutional alloying elements also play an important role in controlling the microstructure and properties of titanium alloys. Tantalum, vanadium, molybdenum, and niobium are...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003082
EISBN: 978-1-62708-199-3
... HX 1290 2350 Refractory metals and alloys Niobium 2470 4475 Nb-1Zr 2400 4350 Molybdenum 2610 4730 Mo-0.5Ti 2610 4730 Tantalum 2995 5425 Tungsten 3410 6170 W-25Re 3100 5612 W-50Re 2550 4622 Precious metals and alloys Gold (99.995% min Au) 1063...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006266
EISBN: 978-1-62708-169-6
... alloy to be used for aircraft gas turbine application; better ductility was required. To increase the 760 °C (1400 °F) elongation, several changes were suggested. Among them was improved foundry practice, which did show promise. However, the change actually adopted was the addition of hafnium to...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006261
EISBN: 978-1-62708-169-6
... in nickel to form various types of carbides. Carbon in amounts of approximately 0.02 to 0.2 wt% combines with reactive elements, such as titanium, tantalum, hafnium, and niobium. The carbides most frequently found in nickel-base alloys are MC, M 6 C, M 7 C 3 , and M 23 C 6 (where “M” is the metallic...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004001
EISBN: 978-1-62708-185-6
... as 0.1 to 6 at.% of secondary alloying elements such as niobium, chromium, manganese, vanadium, tantalum, and tungsten. In the sections that follow, the processing of near-gamma titanium aluminide alloys via wrought, ingot-metallurgy and powder-metallurgy routes is described. All alloy compositions...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005658
EISBN: 978-1-62708-198-6
... oxygen content of the alloy, both of which form titanium-rich compounds, preferentially removing titanium from the NiTi compound matrix. Third-element additions such as chromium, iron, aluminum, and cobalt strongly suppress transformation temperatures, and additions of tantalum, hafnium, palladium, and...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006250
EISBN: 978-1-62708-169-6
... Oxygen Copper 10 −3 46.00 Carbon Titanium 0.00302 20.00 Oxygen Titanium 1 40.00 Hydrogen Tantalum … 6.00 Carbon Tantalum 0.0061 38.52 Nitrogen Tantalum 0.0056 37.84 Oxygen Tantalum 0.0044 25.45 Fig. 8 Plots of diffusion coefficients and temperature (log...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001311
EISBN: 978-1-62708-170-2
... vessels used in the production of dry-cell batteries undergo corrosion, they are repaired using plasma-sprayed tantalum. Returning to the area of prosthetics, titanium implants are sprayed with hydroxyapatite (HAP). This compound is the ceramic constituent of bone, and when it is deposited with...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006274
EISBN: 978-1-62708-169-6
... alloys. The general purposes of various alloying elements are summarized in Table 4 . Nickel alloys can be complex, sometimes containing more than ten different alloying constituents. For example, various combinations of carbon, boron, zirconium, hafnium, cobalt, chromium, aluminum, titanium, vanadium...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003221
EISBN: 978-1-62708-199-3
... Abstract This article discusses surface engineering of nonferrous metals including aluminum and aluminum alloys, copper and copper alloys, magnesium alloys, nickel and nickel alloys, titanium and titanium alloys, zirconium and hafnium, zinc alloys, and refractory metals and alloys. It describes...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003164
EISBN: 978-1-62708-199-3
... produced by rapid solidification. Creep strength is improved by ternary additions of tantalum, niobium, and hafnium. Replacing some of the nickel with 15 at.% Fe also reduces the creep rate of NiAl. The creep properties of NiAl can also be greatly improved by solid-solution hardening and particle...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003149
EISBN: 978-1-62708-199-3
... Abstract This article discusses the general characteristics, primary and secondary fabrication methods, product forms, and corrosion resistance of zirconium and hafnium. It describes the physical metallurgy of zirconium and its alloys, providing details on allotropic transformation and...