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refractory carbides

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000025
EISBN: 978-1-62708-313-3
...-Based Superalloy , J. Mater. Sci. , Vol 21 ( No. 10 ), 1986 , p 3653 – 3660 10.1007/BF02403016 21. Nell J.M. and Grant N.J. , Multiphase Strengthened Nickel Base Superalloys Containing Refractory Carbide Dispersions , Superalloys 1992 , Antolovich S.D. et al. , Ed...
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
... weight. Sections of this chapter were adapted from “Refractory Metals and Alloys” in Metals Handbook Desk Edition , 2nd ed., ASM International, 1998. Carbide-strengthened alloys are produced in both vacuum-melted and PM grades. Carbide-strengthened alloys have fine dispersions of carbides...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000059
EISBN: 978-1-62708-313-3
... levels of refractory alloying elements (for example, B-1900, MAR-M 200, MAR-M 246, René 41) and mixed M 23 C 6 and M 6 C carbides in alloys with lower refractory levels. Molybdenum and tungsten are also capable of forming MC carbides, but they bond more weakly with carbon than titanium and niobium do...
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 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170596
EISBN: 978-1-62708-297-6
... The various types of composite contact materials generally have a base material of silver, copper, or refractory metals and their carbides. The refractory-base and silver-base contacts are used in switching devices operated in air. Copper-base composite contacts are used in vacuum and oil switching devices...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
.... , Improved Productivity Through Application of Silicon Nitride Cutting Tools , Carbide Tool J. , Vol 14 ( No. 3 ), 1982 , p 40 – 46 11.8 Introduction to Composites , Composites , Vol 21 , ASM Handbook , ASM International , 2001 11.9 Windhorst T. and Blount G. , Carbon...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000111
EISBN: 978-1-62708-313-3
..., high levels of refractory elements that form stable MC carbides, such as hafnium and zirconium, would be beneficial. If oxidation instead of hot corrosion is expected, aluminum and chromium levels should be considered together. If the weight ratio of chromium to aluminum is less than four...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170495
EISBN: 978-1-62708-297-6
...-temperature oxidation resistance. In alloys containing significant amounts of iron, cobalt, molybdenum, tungsten, or other refractory elements, the level of silicon must be carefully controlled because it can stabilize carbides and harmful intermetallic phases. On the other hand, the use of silicon as a major...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230131
EISBN: 978-1-62708-298-3
... shows the breaking strengths at 1371 °C for a number of materials. The chart is based on the tensile strength data for the refractory metals and modulus-of-rupture data for the beryllides, carbides, and oxides. Typical values for the beryllides range from 37,000 to 65,000 psi (255 to 448 MPa), depending...
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
... treatment, and thus form continuous hard defects. Figure 4.1 shows a transverse slice through an IN-718 freckle structure and the analysis associated with the freckles. Laves phases and carbides are hard particles, which form in these heavy solute concentration regions and are highly detrimental...
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 March 2001
DOI: 10.31399/asm.tb.secwr.t68350125
EISBN: 978-1-62708-315-7
...-resistant films on metal and carbide dies, tools, etc. Free-standing bodies of refractory metals and pyrolytic C or BN RT, room temperature; ARE, activated reactive evaporation; T m , absolute melting temperature. (a) Compounds: oxides, nitrides, carbides, silicides, and borides of Al, B, Cr, Hf...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
... of refractory compounds; high-temperature coatings based on oxides, carbides, silicides, borides, or nitrides; cermets, and other inorganic materials. Ceramic coatings are applied to metals to protect them against oxidation and corrosion at room and elevated temperatures. Special coatings have been developed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730139
EISBN: 978-1-62708-283-9
... Federation , Princeton, NJ , 1984 13.4 http://en.wikipedia.org/wiki/Integrated_circuit , accessed 2007 Metals usually are cast into molds of sand, another refractory material, or another metal. Steel and iron are cast into sand or refractory molds. Gold, silver, and refractory metals are cast...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310201
EISBN: 978-1-62708-286-0
... as for carbide precipitation). The slow diffusion of alloying elements in austenitics makes this a lesser problem than in ferritics or duplex. This adverse precipitation is largely prevented in the modern, nitrogen-alloyed grades, so these alloys are recommended if extensive welding is planned. The more highly...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
... for flaws. This chapter describes the applications, properties, and behaviors of some of the more widely used structural ceramics, including alumina, aluminum titanate, silicon carbide, silicon nitride, zirconia, zirconia-toughened alumina (ZTA), magnesia-partially stabilized zirconia (Mg-PSZ), and yttria...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
... nonmetallics (ceramics and polymers) share electrons to develop covalent bonds. Exceptions are the ceramic compounds such as refractory carbides and nitrides, which have combinations of metallic and covalent bonds. Ceramics share many commonalities with metals. Both are crystalline, homogeneous...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280189
EISBN: 978-1-62708-267-9
... common tool steels begin to soften) Possess unusually high dynamic shear strength Contain, in their microstructure, hard carbides that make superalloys abrasive Work harden during metal cutting Possess poor thermal diffusivity, which leads to high cutting tool lip temperatures Form a tough...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220085
EISBN: 978-1-62708-341-6
... to 845) (a) Free-machining and alloy grades are readily induction hardened. Alloy steels containing carbide-forming elements (e.g., niobium, titanium, vanadium, chromium, molybdenum,, and tungsten) should be austenitized at temperatures at least 55 to 100 °C (100 to 180 °F) higher than those...