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tungsten heavy 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
... alloys containing various amounts of molybdenum (2 to 20%) or rhenium (1 to 25%) Dispersion-strengthened alloys containing 1 to 2% ThO 2 , or tungsten-rhenium alloys with a dispersion of ThO 2 or HfC added Tungsten heavy alloys , which consist of tungsten-nickel-iron, tungsten-nickel-iron, and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170495
EISBN: 978-1-62708-297-6
...-chromium-iron-molybdenum alloys Nickel-chromium-tungsten alloys Nickel-iron-chromium alloys Nickel-cobalt-chromium-silicon alloys Precipitation-hardening (PH) alloys Table 1 lists the compositions of commonly used alloys. As this table indicates, nickel-base alloys range in composition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
... elements and compounds, including all known refractories. This requirement limits the welding processes that are adaptable to titanium and its alloys. Acceptable processes include gas tungsten arc, plasma arc, gas metal arc, electron beam, friction stir, and resistance spot and seam welding methods where...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170550
EISBN: 978-1-62708-297-6
...-ruthenium alloys as a function of ruthenium content. Initially reduced by 75%, then annealed 15 min Fig. 11 Electrical resistance of platinum-ruthenium alloys as a function of ruthenium content Platinum-tungsten alloys containing 8% W are used in wire form in many applications including...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230199
EISBN: 978-1-62708-298-3
... down with tin. Beryllium-rich phase in tin is eutectic, resolved at 2000×. Udy et al. [1949] Kaufmann et al. [1950] Titanium 1 Eutectic network Udy et al. [1949] 10 Primary compound. Not affected by HF in alcohol. Traces of eutectic Kaufmann et al. [1950] Tungsten 1 Tan-white...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230401
EISBN: 978-1-62708-298-3
... to melt, producing the desired weld-joint coalescence. The gas tungsten arc welding process uses heat produced by an arc generated between a nonconsumable electrode, such as tungsten or tungsten alloy, and the workpiece. The electrode and weld region are shielded from the ambient atmosphere by a...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310147
EISBN: 978-1-62708-286-0
... corrosion resistance, are enhanced by chromium, molybdenum, tungsten, and nitrogen and carbon in solution. Localized corrosion is caused by chromium depletion, which occurs when precipitates form in the solid state. These precipitates are carbides, oxides, and sulfides as well as inter-metallic phases...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550223
EISBN: 978-1-62708-307-2
... alloys include: Weight savings . The high strength-to-weight ratio of titanium alloys allows them to replace steel in many applications requiring high strength and fracture toughness. With a density of 4.4 g/cm 3 (0.16 lb/in. 3 ), titanium alloys are only approximately half as heavy as steel and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120131
EISBN: 978-1-62708-269-3
... structures are more difficult to produce due to the need to hot isostatically press the cast structure for optimum properties. It is claimed that cast Ti-48Al-2Cr-2Nb alloy can be welded by the gas-tungsten arc welding process and by electron beam welding. By casting large structures in segments, hot...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... maintaining a substrate with lower hardness and better ductility. Types of hard coatings include relatively thick coatings of hardfacing alloys or relatively thin nitride case-hardened steel. Other types of hard coatings include: Cement-lined pipe Tungsten carbide coatings Hard chrome coatings...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550033
EISBN: 978-1-62708-307-2
... C. , Gas Metal Arc Welding , Welding Fundamentals and Processes , Vol 6A , ASM Handbook , ASM International , 2011 10.31399/asm.hb.v06a.a0005572 2.28 Allgood L.E. , Gas-Tungsten Arc Welding , Welding Fundamentals and Processes , Vol 6A , ASM Handbook , ASM International...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090135
EISBN: 978-1-62708-266-2
... Abstract Nickel and nickel-base alloys are specified for many applications, such as oil and gas production, power generation, and chemical processing, because of their resistance to stress-corrosion cracking (SCC). Under certain conditions, however, SCC can be a concern. This chapter describes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260187
EISBN: 978-1-62708-336-2
... Holcomb ( Ref 23 , 25 ) studied both die wear and die design using a variety of die materials. Recently, Zhou et al. ( Ref 26 ) attempted to find the replacement of tool steel with hard metals, such as tungsten carbide (WC) containing three different levels of cobalt (Co). They experimented with 6061...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060333
EISBN: 978-1-62708-261-7
... with chromium providing strength and corrosion resistance to the solid solution in addition to functioning as the chief carbide former during alloy solidification. Tungsten provides additional solid-solution strength. The attractive wear properties of these alloys are attributed chiefly to the unusual...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310351
EISBN: 978-1-62708-326-3
... strength and corrosion resistance to the solid solution in addition to functioning as the chief carbide former during alloy solidification. Tungsten provides additional solid-solution strength. The attractive wear properties of these alloys are attributed chiefly to the unusual deformation characteristics...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240371
EISBN: 978-1-62708-251-8
... Abstract Alloy steels are alloys of iron with the addition of carbon and one or more of the following elements: manganese, chromium, nickel, molybdenum, niobium, titanium, tungsten, cobalt, copper, vanadium, silicon, aluminum, and boron. Alloy steels exhibit superior mechanical properties...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410621
EISBN: 978-1-62708-265-5
... Tools steels are defined by their wear resistance, hardness, and durability which, in large part, is achieve by the presence of carbide-forming alloys such as chromium, molybdenum, tungsten, and vanadium. This chapter describes the alloying principles employed in various tool steels, including...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060001
EISBN: 978-1-62708-261-7
... Abstract This chapter describes some of the technological milestones of the early 20th century, including the invention of tungsten carbide tool steel, the use of age-hardening aluminum in the Wright Flyer , the development of a new heat treating process for aluminum alloys, and Ford’s...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240583
EISBN: 978-1-62708-251-8
... another 60% used in cutting tools in the form of tungsten carbide. Tungsten alloys are used in radiation shields, as counterweights and inertial weights, kinetic energy penetrators, heavy-duty electrical contacts, and targets for x-ray tubes. Tungsten can be used at temperatures as high as 2500 °C...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250073
EISBN: 978-1-62708-287-7
... of alloys for tool steels. The chapter provides information on the research investigations into the metallurgy of high-speed tool steels at MIT, Union Carbide, and Carbon Laboratories. The major research effort involved in substituting molybdenum for tungsten in high-speed tool steels is discussed...