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cobalt-base alloys

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280079
EISBN: 978-1-62708-267-9
... patterns, molds, and shells are produced, discusses the practice of directional solidification, and examines an assortment of turbine components cast from nickel- and cobalt-base alloys. The chapter also addresses casting problems such as inclusions, porosity, distortion, core shift, and leaching and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170540
EISBN: 978-1-62708-297-6
... carbides affect toughness, hardness, ductility, and strength as well as resistance to heat, corrosion, and wear. cobalt-base corrosion-resistant alloys cobalt-base heat resistant alloys cobalt-base wear-resistant alloys Composition The cobalt-base wear alloys of today...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170614
EISBN: 978-1-62708-297-6
... Wipers Spoilers/aerodynamics Headlight wipers Headlight direction Entertainment Sunroof Traction control Alnicos are a family of low-cost iron-base alloys containing aluminum, nickel, and cobalt. Various other elements are often added to Alnicos. For example, to lessen the...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310351
EISBN: 978-1-62708-326-3
.... Cobalt is useful in applications that make use of its magnetic properties, corrosion resistance, wear resistance, and/or strength at elevated temperatures. Biomedical application is another important use. The initial biomedical applications of cobalt-base alloys were in the dental field, and early...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170495
EISBN: 978-1-62708-297-6
... 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 from ≥99% pure to complex alloys containing as many as 12 or more alloying elements. Figure 1...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170587
EISBN: 978-1-62708-297-6
... Abstract This article discusses the role of alloying in the production and use of low-expansion alloys such as iron-nickel (Invar), iron-nickel-chromium (Elinvar), and iron-nickel-cobalt (Super-Invar and Kovar). It explains how the coefficient of thermal expansion varies with nickel content and...
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
... alloys generally ranges between approximately 50 and 88%. Gold brazing alloys are used for joining jet and rocket engine components made from nickel-or cobalt-base superalloys or stainless steel. Here, joint ductility is high because alloying with the base metal is minimized. They are also used for...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170308
EISBN: 978-1-62708-297-6
... mill products, such as sheet, foil, rod, wire, and tubing. Presently, the use of niobium as an alloying element in steels, superalloys, and nonferrous alloys accounts for about 95% of production; the consumption of niobium and niobium-base alloys accounts for the remaining 5%. Niobium ranks third...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170432
EISBN: 978-1-62708-297-6
.... (b) AZ91E alloy pending ASTM approval. Source: Ref 6 – 8 Table 7 lists some magnesium alloys that are weldable, along with their respective weldability ratings based on a scale of A (excellent) to D (limited). This rating is based largely on freedom from susceptibility to cracking, and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170457
EISBN: 978-1-62708-297-6
...., telecommunications wire and cable, electronic wire and cable, building wire, magnet wire, power cable, and automotive wire and cable. Most of the literature on SCC of copper-base alloys has been concerned with copper-zinc alloys (brasses) in ammoniacal solutions. However, a...
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
... criteria based on the intended application. As a class of alloys, however, aluminum alloys are generally considered to be more difficult to forge than carbon steels and many alloy steels. Compared to the nickel/cobalt-base alloys and titanium alloys, aluminum alloys are considerably more forgeable...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550141
EISBN: 978-1-62708-307-2
..., steering column support brackets, steering wheels, seat back frames and seat bottoms, and battery cases (for electric vehicles). AZ91 is the most commonly used magnesium-base alloy for die casting, with excellent castability and good strength. It is typically used for automobile and computer parts, mobile...
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
... nickel-base superalloys, yielding excellent strength-to-weight ratios. Fatigue strength . Titanium alloys have much better fatigue strength than aluminum alloys and are frequently used for highly loaded bulkheads and frames in fighter aircraft. Operating temperature capability . When the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170417
EISBN: 978-1-62708-297-6
... effect of silicon content on the creep behavior of two high-performance titanium alloys. Fig. 1 Effect of silicon content on the creep behavior of (a) Ti-6Al-2Sn-4Zr-2Mo base composition and (b) Ti-6Al-3Sn-4Zr-0.4Mo base composition Alloying elements to improve corrosion resistance include...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170351
EISBN: 978-1-62708-297-6
... ranges, nominal compositions, and applications for wrought aluminum alloys are listed in Tables 2 , 4 , and 6 , respectively. Aluminum casting alloys are based on the same alloy systems as those of wrought aluminum alloys, are strengthened by the same mechanisms (with the...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310001
EISBN: 978-1-62708-326-3
... each phase change. Slow changes under near-equilibrium conditions are also reversible; the very same changes can take place in reverse order. All equilibrium transformations are based on the movement of atoms by diffusion, which occurs by pronounced thermal agitation of atoms or molecules. Thus, all...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280091
EISBN: 978-1-62708-267-9
... concerns such as forming speed, rolling direction, rerolling, and heat treating precipitation-hardened alloys. It presents several application examples involving carbide-hardened cobalt-base and other superalloys, and it concludes with a discussion on superplasticity and its adaptation to commercial...
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
... Abstract This article discusses the composition, structure, and properties of iron-nickel-, nickel-, and cobalt-base superalloys and the effect of major alloying and trace elements. It describes the primary and secondary roles of each alloying element, the amounts typically used, and the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280011
EISBN: 978-1-62708-267-9
...-, nickel-, and cobalt-base that are destined generally for use above about 1000 °F (540 °C) and below the melting points of the alloys, which usually are at or above about 2200 °F (1204 °C). Some superalloys also find use in space applications where subzero and cryogenic temperatures are an issue. The bulk...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440125
EISBN: 978-1-62708-262-4
...% Copper: 0.60% A steel is also classified as an alloy steel when a difinite range or a definite minimum quantity of any of the following elements is specified or required within recognized limits: Aluminum Boron Chromium (up to 3.99%) Cobalt Molybdenum Nickel Niobium...