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hafnium-tantalum alloys
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Book: Corrosion: Materials
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
... such as 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...
Abstract
This article describes the processes involved in the production of hafnium and its alloys. It discusses the physical, mechanical and chemical properties of hafnium. The aqueous corrosion testing of hafnium and its alloys is detailed. The article reviews the corrosion resistance of hafnium in specific media, namely, water, steam, hydrochloric acid, nitric acid, sulfuric acid, alkalis, organics, molten metals, and gases. Forms of corrosion, namely, galvanic corrosion, crevice corrosion, and pitting corrosion are included. The article explains the corrosion of hafnium alloys such as hafnium-zirconium alloys and hafnium-tantalum alloys. It also deals with the applications of hafnium and its alloys in the nuclear and chemical industries.
Book Chapter
Ta (Tantalum) Binary Alloy Phase Diagrams
Available to PurchaseBook: Alloy Phase Diagrams
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006209
EISBN: 978-1-62708-163-4
....” “H-Ta (Hydrogen - Tantalum)” : in the article “H (Hydrogen) Binary Alloy Phase Diagrams.” “Hf-Ta (Hafnium - Tantalum)” : in the article “Hf (Hafnium) Binary Alloy Phase Diagrams.” “Ir-Ta (Iridium - Tantalum)” : in the article “Ir (Iridium) Binary Alloy Phase Diagrams.” “Mo-Ta...
Abstract
This article is a compilation of binary alloy phase diagrams for which tantalum (Ta) is the first named element in the binary pair. The diagrams are presented with element compositions in weight percent. The atomic percent compositions are given in a secondary scale. For each binary system, a table of crystallographic data is provided that includes the composition, Pearson symbol, space group, and prototype for each phase.
Book Chapter
Hf (Hafnium) Binary Alloy Phase Diagrams
Available to PurchaseBook: Alloy Phase Diagrams
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006167
EISBN: 978-1-62708-163-4
... Abstract This article is a compilation of binary alloy phase diagrams for which hafnium (Hf) is the first named element in the binary pair. The diagrams are presented with element compositions in weight percent. The atomic percent compositions are given in a secondary scale. For each binary...
Abstract
This article is a compilation of binary alloy phase diagrams for which hafnium (Hf) is the first named element in the binary pair. The diagrams are presented with element compositions in weight percent. The atomic percent compositions are given in a secondary scale. For each binary system, a table of crystallographic data is provided that includes the composition, Pearson symbol, space group, and prototype for each phase.
Book Chapter
W (Tungsten) Binary Alloy Phase Diagrams
Available to PurchaseBook: Alloy Phase Diagrams
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006217
EISBN: 978-1-62708-163-4
... (Chromium - Tungsten)” in the article “Cr (Chromium) Binary Alloy Phase Diagrams.” “Fe-W (Iron - Tungsten)” in the article “Fe (Iron) Binary Alloy Phase Diagrams.” “Hf-W (Hafnium - Tungsten)” in the article “Hf (Hafnium) Binary Alloy Phase Diagrams.” “Ir-W (Iridium - Tungsten...
Abstract
This article is a compilation of binary alloy phase diagrams for which tungsten (W) is the first named element in the binary pair. The diagrams are presented with element compositions in weight percent. The atomic percent compositions are given in a secondary scale. For each binary system, a table of crystallographic data is provided that includes the composition, Pearson symbol, space group, and prototype for each phase.
Book Chapter
Rh (Rhodium) Binary Alloy Phase Diagrams
Available to PurchaseBook: Alloy Phase Diagrams
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006199
EISBN: 978-1-62708-163-4
... .” “Fe-Rh (Iron - Rhodium)” in the article “Fe (Iron) Binary Alloy Phase Diagrams .” “Gd-Rh (Gadolinium - Rhodium)” in the article “Gd (Gadolinium) Binary Alloy Phase Diagrams .” “Hf-Rh (Hafnium - Rhodium)” in the article “Hf (Hafnium) Binary Alloy Phase Diagrams .” “Ir-Rh (Iridium...
Abstract
This article is a compilation of binary alloy phase diagrams for which rhodium (Rh) is the first named element in the binary pair. The diagrams are presented with element compositions in weight percent. The atomic percent compositions are given in a secondary scale. For each binary system, a table of crystallographic data is provided that includes the composition, Pearson symbol, space group, and prototype for each phase.
Book Chapter
U (Uranium) Binary Alloy Phase Diagrams
Available to PurchaseBook: Alloy Phase Diagrams
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006215
EISBN: 978-1-62708-163-4
...) Binary Alloy Phase Diagrams.” “Hf-U (Hafnium - Uranium)” in the article “Hf (Hafnium) Binary Alloy Phase Diagrams.” “Ir-U (Iridium - Uranium)” in the article “Ir (Iridium) Binary Alloy Phase Diagrams.” “Mn-U (Manganese - Uranium)” in the article “Mn (Manganese) Binary Alloy Phase...
Abstract
This article is a compilation of binary alloy phase diagrams for which uranium (U) is the first named element in the binary pair. The diagrams are presented with element compositions in weight percent. The atomic percent compositions are given in a secondary scale. For each binary system, a table of crystallographic data is provided that includes the composition, Pearson symbol, space group, and prototype for each phase.
Book Chapter
V (Vanadium) Binary Alloy Phase Diagrams
Available to PurchaseBook: Alloy Phase Diagrams
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006216
EISBN: 978-1-62708-163-4
... Abstract This article is a compilation of binary alloy phase diagrams for which vanadium (V) is the first named element in the binary pair. The diagrams are presented with element compositions in weight percent. The atomic percent compositions are given in a secondary scale. For each binary...
Abstract
This article is a compilation of binary alloy phase diagrams for which vanadium (V) is the first named element in the binary pair. The diagrams are presented with element compositions in weight percent. The atomic percent compositions are given in a secondary scale. For each binary system, a table of crystallographic data is provided that includes the composition, Pearson symbol, space group, and prototype for each phase.
Book Chapter
Ir (Iridium) Binary Alloy Phase Diagrams
Available to PurchaseBook: Alloy Phase Diagrams
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006172
EISBN: 978-1-62708-163-4
....” “Cu-Ir (Copper - Iridium)” in the article “Cu (Copper) Binary Alloy Phase Diagrams.” “Fe-Ir (Iron - Iridium)” in the article “Fe (Iron) Binary Alloy Phase Diagrams.” “Hf-Ir (Hafnium - Iridium)” in the article “Hf (Hafnium) Binary Alloy Phase Diagrams.” Ir-La (Iridium-Lanthanum...
Abstract
This article is a compilation of binary alloy phase diagrams for which iridium (Ir) is the first named element in the binary pair. The diagrams are presented with element compositions in weight percent. The atomic percent compositions are given in a secondary scale. For each binary system, a table of crystallographic data is provided that includes the composition, Pearson symbol, space group, and prototype for each phase.
Book Chapter
N (Nitrogen) Binary Alloy Phase Diagrams
Available to PurchaseBook: Alloy Phase Diagrams
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006179
EISBN: 978-1-62708-163-4
... element in the binary pair. Additional binary systems that include nitrogen are provided in the following locations in this Volume: “Fe-N (Iron - Nitrogen)” in the article “Fe (Iron) Binary Alloy Phase Diagrams.” “Hf-N (Hafnium - Nitrogen)” in the article “Hf (Hafnium) Binary Alloy Phase...
Abstract
This article is a compilation of binary alloy phase diagrams for which nitrogen (N) is the first named element in the binary pair. The diagrams are presented with element compositions in weight percent. The atomic percent compositions are given in a secondary scale. For each binary system, a table of crystallographic data is provided that includes the composition, Pearson symbol, space group, and prototype for each phase.
Book Chapter
Directionally Solidified and Single-Crystal Superalloys
Available to PurchaseSeries: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001051
EISBN: 978-1-62708-161-0
... with low surface energy and long-time stability at temperature, ensuring the potential usefulness of the alloys at elevated temperatures up to 0.85 T m (melting point) for extended periods of time. Tantalum, tungsten, and hafnium substitute for some of the aluminum and titanium in the γ′, thus...
Abstract
Directionally solidified (DS) and single-crystal (SX) superalloys and process technology are contributing to significant advances in turbine engine efficiency and durability. These gains are expected to arise from the development of higher creep strength and improved oxidation-resistant SX alloy compositions as well as from the development of SX casting and fabrication technology to utilize advanced transpiration-cooling schemes. This article provides a detailed discussion on the chemistry and castability of first- and second-generation DS and SX superalloys. It summarizes the chemistry modifications applied to MAR-M 247 to develop CMSX-2 with respect to function and objectives. The article also lists the nominal compositions of first- and second-generation DS and SX superalloys.
Book Chapter
Nb (Niobium) Binary Alloy Phase Diagrams
Available to PurchaseBook: Alloy Phase Diagrams
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006187
EISBN: 978-1-62708-163-4
... (Gallium) Binary Alloy Phase Diagrams.” “Ge-Nb (Germanium - Niobium)” in the article “Ge (Germanium) Binary Alloy Phase Diagrams.” “H-Nb (Hydrogen - Niobium)” in the article “H (Hydrogen) Binary Alloy Phase Diagrams.” “Hf-Nb (Hafnium - Niobium)” in the article “Hf (Hafnium) Binary...
Abstract
This article is a compilation of binary alloy phase diagrams for which niobium (Nb) is the first named element in the binary pair. The diagrams are presented with element compositions in weight percent. The atomic percent compositions are given in a secondary scale. For each binary system, a table of crystallographic data is provided that includes the composition, Pearson symbol, space group, and prototype for each phase.
Book Chapter
Refractory Metals and Alloys
Available to PurchaseSeries: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003151
EISBN: 978-1-62708-199-3
... are ductile enough to be processed into various mill products, such as sheet, foil, rod, wire, and tubing. Classes of Niobium-Base Alloys All of the niobium alloys listed in Table 1 are solid-solution-strengthened alloys. The most common alloy additions are zirconium, titanium, hafnium, tantalum...
Abstract
The refractory metals include niobium, tantalum, molybdenum, tungsten, and rhenium. They are readily degraded by oxidizing environments at moderately low temperatures. Protective coating systems have been developed, mostly for niobium alloys, to permit their use in high-temperature oxidizing aerospace applications. This article discusses the properties, processing, applications, and classes of refractory metals and its alloys, namely molybdenum, tungsten, niobium, tantalum and rhenium. It also provides an outline of the coating processes used to improve their oxidation resistance.
Book Chapter
Properties and Selection of Powder Metallurgy Refractory Metals
Available to PurchaseBook: Powder Metallurgy
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006123
EISBN: 978-1-62708-175-7
... 45 99.9% reduction 1800 3270 … … Mo-50 Re 1300 2370 600 85 Mo-30 W 1200 2190 350 50 Data are for material having 90% reduction in cross section unless otherwise noted. TZM, Ti-Zr-Mo alloy; MHC, molybdenum strengthened with hafnium carbide Tantalum and Tantalum Alloys...
Abstract
This article focuses on the selection, properties, and applications of powder metallurgy refractory metals and their alloys, including tungsten, molybdenum, tantalum, niobium, and rhenium.
Book Chapter
Si (Silicon) Binary Alloy Phase Diagrams
Available to PurchaseBook: Alloy Phase Diagrams
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006205
EISBN: 978-1-62708-163-4
... (Hafnium - Silicon)” in the article “Hf (Hafnium) Binary Alloy Phase Diagrams.” “In-Si (Indium - Silicon)” in the article “In (Indium) Binary Alloy Phase Diagrams.” “Li-Si (Lithium - Silicon)” in the article “Li (Lithium) Binary Alloy Phase Diagrams.” “Mg-Si (Magnesium - Silicon...
Abstract
This article is a compilation of binary alloy phase diagrams for which silicon (Si) is the first named element in the binary pair. The diagrams are presented with element compositions in weight percent. The atomic percent compositions are given in a secondary scale. For each binary system, a table of crystallographic data is provided that includes the composition, Pearson symbol, space group, and prototype for each phase.
Book Chapter
Metallography and Microstructures of Refractory Metals and Alloys
Available to PurchaseSeries: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003777
EISBN: 978-1-62708-177-1
... classified as refractory (i.e., zirconium, hafnium, and titanium) are discussed elsewhere in this Volume. Niobium, Tantalum, Molybdenum, Tungsten and Their Alloys This section describes procedures that can be applied to metallographic preparation of niobium (columbium), tantalum, molybdenum, tungsten...
Abstract
This article describes various procedures used in the metallographic preparation of niobium, tantalum, molybdenum, and tungsten alloys. It provides information on sectioning, grinding, mounting, polishing, and electrolytic etching as well as alternate procedures that have been used on refractory metals. The article presents and analyzes several micrographs, provides etchant formulas for various materials, and discusses the unique characteristics of rhenium and its alloys.
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005204
EISBN: 978-1-62708-187-0
... Tantalum, niobium Small grain size; good workability Same as above; rarely applied Alloying; moderate grain size; large ingots; low energy consumption Refining limited; expensive electrode; melting dangerous Same as above; most frequently used Alloying limited Hafnium, vanadium … Same as above...
Abstract
Electron beam melting includes melting, refining, and conversion processes for metals and alloys. This article describes the electron beam melting process, as well as the principles, equipment, and process considerations of drip melting and cold hearth melting process.
Book Chapter
Zirconium and Hafnium
Available to PurchaseSeries: 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...
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 anisotropy that profoundly influences the engineering properties of zirconium and its alloys. Tables listing the values for chemical composition and tensile properties for nuclear and nonnuclear grades of zirconium are also provided.
Book Chapter
Surface Engineering of Zirconium and Hafnium
Available to PurchaseBook: Surface Engineering
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001312
EISBN: 978-1-62708-170-2
... be performed in a vacuum furnace that is compatible with the introduction of nitrogen. High-temperature vapor-phase synthesis (HVS) is used to form reactive layers of carbides, nitrides, and carbonitrides on the surface of zirconium, hafnium, tantalum, niobium, and their alloys. The ceramic surfaces of HVS...
Abstract
Zirconium and hafnium surfaces require cleaning and finishing for reasons such as preparation for joining, heat treatment, plating, forming, and producing final surface finishes. This article provides information on various surface treatment processes, surface soil removal, blast cleaning, chemical descaling, pickling or etching, anodizing, autoclaving, polishing, buffing, vapor phase nitriding, and electroplating. Applications of these surface treatment processes are also reviewed.
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001441
EISBN: 978-1-62708-173-3
... alloys, as specified in ASTM B 550, are given in Table 1 . For reactor grades, the hafnium content is reduced to a minimum and other impurities are closely controlled. Chemical compositions of the most common grades of nuclear-grade Zircaloys, as specified in ASTM B 351, are given in Table 2...
Abstract
Zirconium and its alloys are available in two general categories: commercial grade and reactor grade. This article discusses the welding processes that can be used for welding any of the zirconium alloys. These include gas-tungsten arc welding (GTAW), gas-metal arc welding (GMAW), plasma arc welding (PAW), electron-beam welding (EBW), laser-beam welding (LBW), friction welding (FRW), resistance welding (RW), resistance spot welding (RSW), and resistance seam welding (RSEW). The article reviews the selection of shielding gases and filler metals for welding zirconium alloys. It concludes with a discussion on process procedures for welding zirconium alloys.
Book Chapter
Metallography and Microstructures of Zirconium, Hafnium, and Their Alloys
Available to PurchaseSeries: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003782
EISBN: 978-1-62708-177-1
... Abstract Zirconium, hafnium, and their alloys are reactive metals used in a variety of nuclear and chemical processing applications. This article describes various specimen preparation procedures for these materials, including sectioning, mounting, grinding, polishing, and etching. It reviews...
Abstract
Zirconium, hafnium, and their alloys are reactive metals used in a variety of nuclear and chemical processing applications. This article describes various specimen preparation procedures for these materials, including sectioning, mounting, grinding, polishing, and etching. It reviews some examples of the microstructure and examination for zircaloy alloys, hafnium, zirconium, and bimetallic forms.
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