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Corrosion rate versus tungsten content for tantalum-tungsten alloys exposed...

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in Refractory Metal Alloys > Alloying<subtitle>Understanding the Basics</subtitle>
Published: 01 December 2001
Fig. 11 Corrosion rate versus tungsten content for tantalum-tungsten alloys exposed to concentrated H 2 SO 4 at 180 °C (360 °F) and 210 °C (405 °F) More
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Mechanical properties of platinum-tungsten alloys as a function of tungsten...

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in Noble Metal Alloys > Alloying<subtitle>Understanding the Basics</subtitle>
Published: 01 December 2001
Fig. 12 Mechanical properties of platinum-tungsten alloys as a function of tungsten content More
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Electrical resistivity of platinum-tungsten alloys as a function of tungste...

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in Noble Metal Alloys > Alloying<subtitle>Understanding the Basics</subtitle>
Published: 01 December 2001
Fig. 13 Electrical resistivity of platinum-tungsten alloys as a function of tungsten content More
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Microstructures of cobalt-base wear-resistant alloys. GTAW, gas tungsten ar...

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in Nickel and Cobalt > Elements of Metallurgy and Engineering Alloys
Published: 01 June 2008
Fig. 29.15 Microstructures of cobalt-base wear-resistant alloys. GTAW, gas tungsten arc welding. Source: Ref 10 More
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Short-time tensile strengths of five tungsten-rhenium alloys

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in Refractory Metal Alloys > Alloying<subtitle>Understanding the Basics</subtitle>
Published: 01 December 2001
Fig. 5 Short-time tensile strengths of five tungsten-rhenium alloys More
Book Chapter

Refractory Metal Alloys

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170308
EISBN: 978-1-62708-297-6
... Abstract This article discusses the role of alloying in the production and use of common refractory metals, including molybdenum, tungsten, niobium, tantalum, and rhenium. It provides an overview of each metal and its alloys, describing the compositions, properties, and processing...
Abstract
This article discusses the role of alloying in the production and use of common refractory metals, including molybdenum, tungsten, niobium, tantalum, and rhenium. It provides an overview of each metal and its alloys, describing the compositions, properties, and processing characteristics as well as the effect of alloying elements. It also discusses strengthening mechanisms and, where appropriate, corrosion behavior.
View PDF for content titled, Refractory Metal <span class="search-highlight">Alloys</span>
Book Chapter

Refractory Metals

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240583
EISBN: 978-1-62708-251-8
... of niobium alloys are given in Table 31.2 . Solid-solution strengthening is greatest for alloying elements that have a large atomic size misfit, a low diffusivity, and a high melting point (for thermal stability). Substitutional alloying additions include tungsten, molybdenum, tantalum, and vanadium...
Abstract
The refractory metals include niobium, tantalum, molybdenum, tungsten, and rhenium. These metals are considered refractory because of their high melting points, high-temperature mechanical stability, and resistance to softening at elevated temperatures. This article discusses the composition, properties, fabrication procedures, advantages and disadvantages, and applications of these refractory metals and their alloys. A comparison of some of the properties of the refractory metals with those of iron, copper, and aluminum is given in a table. The article concludes with a brief section on refractory metal protective coatings.
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Preferential corrosion of autogenous gas tungsten arc weld in alloy B-2 exp...

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in Corrosion of High-Nickel Alloy Weldments > Corrosion of Weldments
Published: 01 December 2006
Fig. 7 Preferential corrosion of autogenous gas tungsten arc weld in alloy B-2 exposed to boiling 60% H 2 SO 4 +8% HCl More
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Corrosion rates for wrought and for gas tungsten arc welded (GTAW) alloy C-...

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in Corrosion of High-Nickel Alloy Weldments > Corrosion of Weldments
Published: 01 December 2006
Fig. 14 Corrosion rates for wrought and for gas tungsten arc welded (GTAW) alloy C-22 (UNS N06022). (a) In boiling sulfuric acid/ferric sulfate (ASTM G 28 Method A). (b) In boiling 2.5% HCl solution. Source: Ref 42 More
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As-sintered tungsten-heavy alloy. Original magnification: 200×. Source: Re...

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in Refractory Metals > Elements of Metallurgy and Engineering Alloys
Published: 01 June 2008
Fig. 31.8 As-sintered tungsten-heavy alloy. Original magnification: 200×. Source: Ref 1 More
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Corrosion rates for wrought and for gas tungsten arc welded (GTAW) alloy C-...

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in Effects of Metallurgical Variables on the Corrosion of High-Nickel Alloys[1] > Corrosion in the Petrochemical Industry
Published: 01 December 2015
Fig. 3 Corrosion rates for wrought and for gas tungsten arc welded (GTAW) alloy C-22 (UNS N06022). (a) In boiling sulfuric acid/ferric sulfate (ASTM G28 Method A). (b) In boiling 2.5% HCl solution. Source: Ref 25 More
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Alloy of cobalt and 15% tungsten etched in nitric acid, hydrogen peroxide, ...

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in Microstructure > Metallography: Principles and Practice
Published: 01 December 1984
Figure 3-29 Alloy of cobalt and 15% tungsten etched in nitric acid, hydrogen peroxide, and lactic acid (10:10:80), 250×. (Courtesy of R. D. Buchheit, Battelle Memorial Institute.) More
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Room-temperature ductility of annealed wire for five tungsten-rhenium alloy...

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in Refractory Metal Alloys > Alloying<subtitle>Understanding the Basics</subtitle>
Published: 01 December 2001
Fig. 4 Room-temperature ductility of annealed wire for five tungsten-rhenium alloys More
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Center pie chart depicts the percentage of articles published on different ...

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in Various Conventional and Advanced Sintering Methods to Consolidate Powders > Powder Metallurgy and Additive Manufacturing: Fundamentals and Advancements
Published: 30 September 2024
published on different materials systems (iron alloys and steel, nickel alloys, Al/Cu/Mg/Si alloys, titanium alloys, tungsten alloys, ceramics, composites, and other materials systems) for each sintering technique. More
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Elevated-temperature tensile strength of dispersion-strengthened tungsten a...

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in Refractory Metal Alloys > Alloying<subtitle>Understanding the Basics</subtitle>
Published: 01 December 2001
Fig. 6 Elevated-temperature tensile strength of dispersion-strengthened tungsten alloys. Source: Ref 4 More
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Over-sintering occurs as materials pass through peak properties due to micr...

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in Sintering Densification > Binder and Polymer Assisted Powder Processing
Published: 30 April 2020
Fig. 8.14 Over-sintering occurs as materials pass through peak properties due to microstructure coarsening. This plot gives the tensile strength versus sintering time for a tungsten alloy heated to 1480 °C (2695 °F) for times up to 600 min. More
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Oversintering occurs as materials pass through the peak density and grain s...

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in Sintering Concepts Relevant to Greater Density and Improved Properties > Powder Metallurgy and Additive Manufacturing: Fundamentals and Advancements
Published: 30 September 2024
Fig. 6.6 Oversintering occurs as materials pass through the peak density and grain size combination. This plot gives tensile strength as a function of sintering time for a tungsten alloy heated to 1480 °C (2695 °F) in hydrogen for times up to 600 min. More
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Closed-die forging with flash. (a) Schematic diagram with flash terminology...

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in Bulk Deformation > Metals Fabrication: Understanding the Basics
Published: 01 November 2013
, copper alloys, magnesium alloys, beryllium, stainless steels, nickel alloys, titanium and titanium alloys, iron and nickel and cobalt superalloys, niobium and niobium alloys, tantalum and tantalum alloys, molybdenum and molybdenum alloys, tungsten alloys Process variations Closed-die forging More
Book Chapter

Electromechanical Polishing Procedures

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850541
EISBN: 978-1-62708-260-0
..., 0.01 A/cm2 for 5 min (Dickinson). Use cyclic polarity, 0.01 A/cm2 for 5 min (Dickinson). 541 542 METALLOGRAPHY Material Rhenium Rhenium-tungsten alloys Th02-tungsten Tungsten Ruthenium Universal Electrolyte Sat. NaC103 Alumina Sat. K3Fe(CN)6 Alumina 3% H202 Alumina Sat. NaC103 Alumina Sat. K3Fe(CN)6...
Abstract
This appendix contains recipes of the electrolytic solutions in which various metals are polished in preparation for metallographic examination.
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Book Chapter

Properties of Refractory Metal Welds

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930353
EISBN: 978-1-62708-359-1
... Abstract This article discusses the weldability and fusion weld properties of refractory metal alloys. The alloys discussed include tantalum, niobium, rhenium, molybdenum, and tungsten. molybdenum niobium rhenium tantalum tungsten weldability THE REFRACTORY METALS, which include...
Abstract
This article discusses the weldability and fusion weld properties of refractory metal alloys. The alloys discussed include tantalum, niobium, rhenium, molybdenum, and tungsten.
View PDF for content titled, Properties of Refractory Metal Welds