1-20 of 89 Search Results for

classes of refractory metals

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
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
...Abstract 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170308
EISBN: 978-1-62708-297-6
... by conventional forming processes. More molybdenum is consumed annually than any other refractory metal. Most molybdenum is used as an alloying element in irons, steels, and superalloys. Molybdenum-base mill products represent about 5% of total usage. Classes of Molybdenum-Base Alloys Effects of Alloying...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000001
EISBN: 978-1-62708-313-3
... of composition and processing make the cost of superalloys typically in the range of 30 to 200 times that of plain stainless steel ( Ref 2 ). Although there are a number of other material groups that can be used at high temperatures, such as ceramics and refractory metal alloys, superalloys are unsurpassed...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000111
EISBN: 978-1-62708-313-3
... and Protective Coatings , Koul A.K. , Ed., National Research Council of Canada , Ottawa , 1994 , p 34 – 53 2. Praveen K.V.U. , Sastry G.V.S. , and Singh V. , Work Hardening Behavior of the Ni-Fe Based Superalloy IN718 , Metall. Mater. Trans. A , Vol 39 , 2008 , p 65 – 78...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060315
EISBN: 978-1-62708-261-7
..., corrosion-resistance alloys, superalloys, refractory metals, low-melting-point metals, reactive metals, precious metals, rare earth metals, and metalloids or semimetals. It also provides a brief summary on special-purpose materials, including uranium, vanadium, magnetic alloys, and thermocouple materials...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460173
EISBN: 978-1-62708-285-3
.... and Dunkley J.J. , Ed., Atomization of Melts: For Powder Production and Spray Deposition , Clarendon Press , 1994 6.3 Ashgriz N. , Ed., Handbook of Atomization and Sprays , Springer , 2011 6.4 “ Ceramic-Free Metal Powder Production for Reactive and Refractory Metals ,” ALD Vacuum...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170290
EISBN: 978-1-62708-297-6
..., master alloys, and refractory compounds. The pure metals include nickel, chromium, iron, cobalt, tungsten, molybdenum, and niobium. The master alloys include nickel-base alloys with relatively large amounts of combinations of aluminum, titanium, zirconium, or hafnium. These master alloys...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280041
EISBN: 978-1-62708-267-9
... generated significant amounts of slag from the products of deoxidation, desulfurization, and the deterioration of the refractory crucible lining. The heat is poured so as to decant the molten metal from under the slag. Generally, the refractory pouring system used to conduct the molten metal to the molds...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170107
EISBN: 978-1-62708-297-6
...Abstract Abstract This article discusses the production, properties, and uses of high-alloy white irons. It explains how the composition and melt are controlled to produce a large volume of eutectic carbides, making these irons particularly hard and resistant to wear, and how the metallic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220009
EISBN: 978-1-62708-259-4
... because of the importance of iron-based alloys (steels and cast irons) as engineering materials and their constant evolution. While steels are the most widely used iron-based alloys, about 70% of all cast metal production consists of cast irons ( Ref 3 ). Although iron artifacts have been produced...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240265
EISBN: 978-1-62708-251-8
.... It then provides information on the stress-rupture test used to measure the time it takes for a metal to fail at a given stress at elevated temperature. The major classes of creep mechanism, namely Nabarro-Herring creep and Coble creep, are then covered. The chapter also provides information on three primary modes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430087
EISBN: 978-1-62708-253-2
... and form the basis for development of various types of stainless steels. Addition of elements from the refractory metals group, namely chromium, tungsten, molybdenum, vanadium, niobium, tantalum, and zirconium, increases the creep strength of steel by matrix strengthening due to solid solution effects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420263
EISBN: 978-1-62708-310-2
... locating the alloy chemistries with a high potential of GFA and guiding the experimental study. Fig. 13.5 Critical diameters of the cast glassy rods as a function of the titanium concentration in atomic percent. Source: Ref 13.2 Nickel-base superalloys are a unique class of metallic...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740213
EISBN: 978-1-62708-308-9
.... and Agapiov J.S. , Metal Cutting Theory and Practice , Dekker , 1996 • Walsh R.A. , Machining and Metalworking Handbook , McGraw-Hill , 1994 Four important machining processes (turning, milling, drilling, and grinding) are illustrated in Fig. 1 . There are three basic classes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... Process Material compatibility with process (a) Cast iron Carbon steel Alloy steel Stainless steel Aluminum and its alloys Copper and its alloys Zinc and its alloys Magnesium and its alloys Titanium and its alloys Nickel and its alloys Refractory metals Sand casting...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170062
EISBN: 978-1-62708-297-6
..., stirred into the metal, placed on the bottom of the ladle before filling, or plunged in a refractory bell, as late as possible before casting. Effective stirring is necessary, and one way of achieving this is by bubbling air or nitrogen through the melt using a porous plug in the bottom of the ladle...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430027
EISBN: 978-1-62708-253-2
... on the atomic structure of metals, the nature of alloy phases, and the mechanisms involved in phase transformations, including time-temperature effects and the role of diffusion, nucleation, and growth. It also discusses alloying, heat treating, and defect formation and briefly covers condenser tube materials...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490329
EISBN: 978-1-62708-340-9
... generally equal, ΔFATT could sometimes exceed the Δ54-J (Δ40-ft·lb) TT by 11 °C (20 °F). (2) A ranking of material classes in order of decreasing susceptibility to embrittlement gave the following order: submerged-arc welds (SAW), shielded metal-arc welds (SMAW), electroslag welds (ESW), and plate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... and ductility of sintered CP titanium powder. The two types of high-density inclusions (HDIs) include the refractory metals (tungsten, molybdenum, tantalum, and niobium) and the refractory metal carbides. The main source of such materials is poorly cut torch scrap. Machine turnings cut with carbide tools...