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Published: 30 September 2015
Fig. 8 Scanning electron micrograph of a –325 mesh rhenium powder More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006121
EISBN: 978-1-62708-175-7
.... The effects of processing conditions on the physical and chemical properties of tungsten, molybdenum, tantalum, niobium, and rhenium powders are reviewed. chemical properties molybdenum powders niobium powders physical properties powder production refractory metal powders rhenium powders tantalum...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006124
EISBN: 978-1-62708-175-7
... as rhenium. molybdenum powders niobium powders pressing refractory metal powders rhenium powders sintering tantalum powders tungsten powders REFRACTORY METAL POWDERS are typically pressed into ingots and sintered into intermediate products. Refractory-metal products are rarely delivered...
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
... 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. molybdenum niobium powder metallurgy refractory metals rhenium tantalum tungsten...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003777
EISBN: 978-1-62708-177-1
... , Volume 2 of ASM Handbook . Powder production and powder metallurgy of refractory metals are described in Powder Metal Technologies and Applications , Volume 7 of ASM Handbook . This article focuses on the refractory metals of niobium, tantalum, molybdenum, tungsten, and rhenium. Other metals...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003151
EISBN: 978-1-62708-199-3
... 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...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006255
EISBN: 978-1-62708-169-6
... molybdenum alloys niobium niobium alloys refractory metals rhenium tantalum tantalum alloys tungsten tungsten alloys THE REFRACTORY METALS include tungsten, molybdenum, niobium, tantalum, and rhenium. Tungsten, molybdenum, and rhenium are typically processed by pressing and sintering powders...
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
..., machining, forming, cleaning, joining, and coatings. The article also presents information on, and specifications for, the following metals and their alloys: niobium, tantalum, molybdenum, tungsten, rhenium, and refractory metal fiber-reinforced composites. It discusses the processes involved...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001426
EISBN: 978-1-62708-173-3
... a large degree of ductility. The only problem that can be encountered is porosity, which often occurs from welding a powder metallurgical product. It has been proposed that tungsten and molybdenum be alloyed with rhenium to improve both room-temperature ductility and weldability. The binary alloy...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006133
EISBN: 978-1-62708-175-7
... niobium quality control refractory metal powders rhenium secondary operations tantalum tungsten tungsten heavy alloys welding REFRACTORY METALS are typically processed from powders into ingots that are subsequently swaged into round bars or rolled into plates. Additional rolling, drawing...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003994
EISBN: 978-1-62708-185-6
... or slightly higher temperatures than molybdenum or TZM; tungsten-containing alloys are typically forged at temperatures higher than molybdenum or TZM because of their higher strengths, and in the case of tungsten, its lower forgeability. Molybdenum-rhenium alloys can be readily hot worked via extrusion...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001283
EISBN: 978-1-62708-170-2
...: Semiconductor and other electronic component manufacturing processes Coatings on tools, bearings, and other wear-resistant parts Optical, opto-electronic, and corrosion-resisting products Monolithic parts, ultrafine powders, and high-strength fibers This article emphasizes the CVD of hard...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003158
EISBN: 978-1-62708-199-3
...-molybdenum, platinel, and tungsten-rhenium thermocouples. This article discusses the basic principles, classification, and properties of thermocouples, and the techniques for insulating and protecting thermocouple wires from the operating environment. electrical insulation environmental protection...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006639
EISBN: 978-1-62708-213-6
.... This is called angle-resolved spectroscopy (AR-XPS), where the specimen is tilted at different angles and analysis is performed, providing more information on the surface or the coating. Powder Specimens Powder samples are mounted and analyzed using adhesive tapes. Because most tapes use organic volatiles...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001098
EISBN: 978-1-62708-162-7
.... Tungsten-Rhenium Three tungsten-rhenium thermocouples are commercially available: W/W-26Re, doped W-3Re/W-25Re, and W-5Re/W-26Re. All three couples have been used at temperatures up to 2760 °C (5000 °F), but they usually are employed only below 2315 °C (4200 °F) due to temperature limitations...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003218
EISBN: 978-1-62708-199-3
..., rhenium, niobium, tantalum, zirconium, and hafnium—are deposited using CVD processes. Typical products produced are crucibles, rocket nozzles, and other high-temperature components; linings for chemical vessels; and coatings for electronic components. These refractory metals are deposited at temperatures...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003331
EISBN: 978-1-62708-176-4
... Stainless steels, wrought martensitics hardened and tempered 580 180 Rhenium 555 331 Molybdenum and its alloys 555 179 Nickel and its alloys 534 75 Stainless steels, cast 470 130 Tungsten 443 330 Low-alloy steels, wrought; carburized, quenched and tempered 429 212 Copper...
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
... wrought forms: forgings, bar, wire, tube, sheet, and foil. In 1995, copper used in wire and cable represented about 50% of U.S. production and in flat products of various thickness another 15%, rod and bar about 14%, tube about 14.5%, with foundries using about 5% for cast products, and metal powder...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006018
EISBN: 978-1-62708-175-7
... Abstract Metal powders are used as fuels in solid propellants, fillers in various materials, such as polymers or other binder systems, and for material substitution. They are also used in food enrichment, environmental remediation market, and magnetic, electrical, and medical application areas...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.9781627081832
EISBN: 978-1-62708-183-2