1-20 of 333 Search Results for

tungsten

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 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280025
EISBN: 978-1-62708-267-9
..., including their properties, behaviors, and microstructure. It examines the role of more than 20 alloying elements, including phosphorus (promotes carbide precipitation), boron (improves creep properties), lanthanum (increases hot corrosion resistance), and carbon and tungsten which serve as matrix...
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 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400109
EISBN: 978-1-62708-258-7
... aberration. Metallurgical microscope features such as apochromatic objectives, hyperplane oculars, vertical illuminators, counting reticles, widefield oculars, polarization filters, field diaphragms, interferometers, and tungsten-halogen lamps are explained. The optical system, nosepiece, types of objectives...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030096
EISBN: 978-1-62708-282-2
... austenitic stainless steels as well as several forms of corrosion associated with welding. The effects of gas-tungsten arc weld shielding gas composition and heat-tint oxides on corrosion resistance are then covered. Microbiological corrosion of butt welds in water tanks is also illustrated. In addition, the...
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.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 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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170210
EISBN: 978-1-62708-297-6
... explains how the properties of these steels are determined by alloying elements, such as tungsten, molybdenum, vanadium, manganese, and chromium, and the presence of alloy carbides. It describes the types of carbides that form and how they contribute to wear resistance, toughness, high-temperature strength...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170596
EISBN: 978-1-62708-297-6
... Abstract This article explains how alloying elements affect the properties and behaviors of electrical contacts. It describes the composition, strength, hardness, and conductivity of a wide range of contact alloys and composites based on silver, copper, gold, platinum, palladium, tungsten, and...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290023
EISBN: 978-1-62708-306-5
... welding, gas metal arc welding, gas tungsten arc welding, plasma arc welding, plasma-GMAW welding, electroslag welding, and electrogas welding. The basic characteristics of gases used for shielding during arc welding are briefly discussed. electrogas welding electroslag welding flux cored arc...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850610
EISBN: 978-1-62708-260-0
... metals, rhenium, rhodium, selenium, tellurium, silicon, silver, tantalum, tin, titanium, tungsten, vanadium, and zinc, as well as carbides, oxides, and nitrides. carbides etchants metals microstructure oxides ...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300445
EISBN: 978-1-62708-323-2
... Zinc Zn Germanium Ge Arsenic As Zirconium Zr Molybdenum Mo Rhodium Rh Silver Ag Cadmium Cd Indium In Tin Sn Antimony Sb Hafnium Hf Tantalum Ta Tungsten W Rhenium Re Osmium Os Iridium Ir Platinum Pt Gold Au Mercury Hg Lead...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240411
EISBN: 978-1-62708-251-8
... by the presence of hard second-phase carbides. Stable alloy carbides coarsen more slowly than cementite and are therefore much more effective than cementite at higher temperatures. Therefore, carbide formers such as chromium, molybdenum, tungsten, and vanadium are used along with sufficient carbon to...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170540
EISBN: 978-1-62708-297-6
... current Stellite alloy grades are carbon and tungsten contents (hence the amount and type of carbide formation in the microstructure during solidification). For many years, the predominant user of heat resistant alloys was the gas turbine industry. In the case of aircraft gas turbine power plants...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030112
EISBN: 978-1-62708-282-2
... weld. (b) Alloy 2219-T87 base metal with alloy 2319 filler; 2-pass tungsten inert gas weld. (c) Alloy 7039-T651 base metal with alloy 5183 filler; 2-pass tungsten inert gas weld. SCE, saturated calomel electrode. Source: Ref 4 Fig. 3 Welded assemblies of aluminum alloy 7005 with alloy 5356...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240547
EISBN: 978-1-62708-251-8
... provided by cobalt, iron, chromium, molybdenum, tungsten, vanadium, titanium, and aluminum. Nickel forms a complete series of solid solutions with copper and has nearly complete solubility with iron. In addition, it can dissolve approximately 35 wt% Cr, approximately 20 wt% each of molybdenum and tungsten...
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
... Superalloys , Metall. Trans. , Vol 3 , 1972 , p 989 – 1000 10.1007/BF02647677 28. Collier J.P. , Keefe P.W. , and Tien J.K. , The Effects of Replacing the Refractory Elements Tungsten, Niobium and Tantalum with Molybdenum in Nickel-Base Superalloys on Microstructural...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170573
EISBN: 978-1-62708-297-6
.... (a) Variation in hardness. (b) Variation in abrasion resistance. (c) Variation in density. (d) Variation in compressive strength. (e) Variation in transverse rupture strength Fig. 4 Variation in fracture toughness ( K Ic ) with cobalt content for WC-Co alloys with different tungsten...