1-20 of 177 Search Results for

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
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060315
EISBN: 978-1-62708-261-7
...-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. light...
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
... Abstract This chapter discusses the typical compositional ranges of superalloys, the role of major base metals (iron, cobalt, and nickel), and the effects of common alloying additions. It describes how chromium, aluminum, and titanium as well as refractory elements, grain-boundary elements...
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 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 the...
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 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...
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
... These alloys are characterized by low melting temperatures and the ability to wet the solid base metals; hence, they are suitable filler metals for brazing steel, cast iron, stainless steel, and copper alloys to themselves and each other. They are also used in the brazing of some reactive and refractory...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170003
EISBN: 978-1-62708-297-6
... Abstract This article discusses the general purpose of alloying and identifies some of the material properties and behaviors that can be improved by adding various elements to the base metal. It explains how alloying can make metals stronger and more resistant to corrosion and wear as well as...
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 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 matrix...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170596
EISBN: 978-1-62708-297-6
... elements (such as silver and nickel) that do not conventionally alloy but which are formed by P/M processes to produce contact materials with unique properties The various types of composite contact materials generally have a base material of silver, copper, or refractory metals and their carbides...
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 range of 760 to 980 °C (1400 to 1800 °F), which may be encountered during heat treatment or in-service exposure. The common refractory metal carbides take on the forms of MC, M 6 C, and M 12 C. The MC carbides are formed by the reactive metal elements, such as titanium, zirconium, and hafnium...
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
... dispersion-strengthened superalloys are widely available commercially pure powders that have particle sizes that vary from about 1 to 200 μm. These powders fall into the broad categories of pure metals, master alloys, and refractory compounds. The pure metals include nickel, chromium, iron, cobalt, tungsten...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170573
EISBN: 978-1-62708-297-6
...% TiC homogeneously dispersed in a steel matrix. Cemented carbides belong to a class of hard, wear-resistant, refractory materials in which the hard carbide particles are bound together, or cemented, by a ductile metal binder (usually cobalt). These materials were first developed in Germany in...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170457
EISBN: 978-1-62708-297-6
... (formability), and thermal stability, without inducing unacceptable loss in fabricability, electrical/thermal conductivity, or corrosion resistance. Copper alloys show excellent hot and cold ductility, although usually not to the same degree as the unalloyed parent metal. Even alloys with large amounts of...
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
... percentage of silicon in the magnesium-addition alloy may permit less inoculation. The inoculant can be added during reladling, 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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170337
EISBN: 978-1-62708-297-6
... International , 1997 , p 389 – 41 • Whang S.H. , Liu C.T. , Pope D.P. , and Stiegler J.O. , Ed., High-Temperature Aluminides and Intermetallics , TMS-AIME , 1990 Alloys based on ordered intermetallic compounds constitute a unique class of metallic material that form long...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170351
EISBN: 978-1-62708-297-6
... , 1993 • Aluminum and Aluminum Alloys , in Metals Handbook Desk Edition , 2nd ed. , Davis J.R. , Ed., ASM International , 1998 , p 417 – 505 • Altenpohl D.G. , Aluminum: Technology, Applications, and Environment , 6th ed. , The Aluminum Association Inc. and TMS , 1998...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170021
EISBN: 978-1-62708-297-6
... composition and product form of the alloy being added, the amount of iron being alloyed (the entire charge or only portions of the charge), and the ladling practice in the specific foundry. In cupola melting, nickel, copper, chromium, and molybdenum are added to the molten metal during or after tapping...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850509
EISBN: 978-1-62708-260-0
... Abstract This appendix provides a list of etch compositions and procedures that reveal the macrostructure of aluminum, beryllium, bismuth, antimony, cobalt, copper, lead, magnesium, nickel, tin, titanium, zinc, and their respective alloys as well as iron, steel, noble metals, refractory metals...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060073
EISBN: 978-1-62708-261-7
..., molybdenum melts at 2620 °C (4750 °F), compared to 1535 °C (2795 °F) for iron. This difference in melting temperature complicates combining the two metals into an alloy. Because of this high melting point, molybdenum, along with tungsten and rhenium, is called a refractory metal. The term refractory...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240597
EISBN: 978-1-62708-251-8
... some reactive and refractory metals, although their use restricts the upper service temperature of the joint. Silver is used for medium- and heavy-duty electrical contacts, particularly when alloyed with a dispersion of cadmium oxide. Here, advantage is taken of the high thermal and electrical...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
... discuss some of the other metals that are used along with stainless steels to address environmental degradation issues: Nickel-base alloys Cobalt-base alloys Selected refractory metals Selected precious and pure metals Selected light metals Many applications of metals in hostile...