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cobalt-base wear-resistant alloys

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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
... that lead to increased hardness, elevated temperature strength, creep resistance, and resistance to abrasive wear. Cobalt-base alloys may be grouped as wear-resistant, corrosion-resistant, or heat-resistant alloys. The single largest application of cobalt-base alloys is for wear resistance. In heat...
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 Selected References • Cobalt-Base Alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... steels) typically do not exhibit any detectable stage I fatigue crack growth. Notches, sharp corners, or preexisting cracks can also eliminate detectable stage I propagation in many metals. Similarly, some alloys (such as certain nickel-base superalloys and cobalt-base alloys) can display very extensive...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
... and related cobalt-base alloys are the gold standard for many tribological applications. They can have better cavitation erosion resistance than stainless steels, and these types of alloys may be the only ones approved for certain in vivo wear applications such as hip and knee joint replacement...
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
... for soft inlays are gold-silver-palladium types. Gold content in dental 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170457
EISBN: 978-1-62708-297-6
... phosphorus was present. Thus, alloying effects in copper-base alloys appear to be environment specific. This conclusion greatly complicates alloy selection for SCC resistance. A significant finding of SCC research on copper-base alloys over the past 20 years is that pure copper undergoes SCC ( Ref 5 , 6...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310351
EISBN: 978-1-62708-326-3
... 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 evaluations of these alloys showed excellent wear resistance, corrosion resistance, bio compatibility, and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170308
EISBN: 978-1-62708-297-6
... tungsten-nickel-cobalt Composite tungsten-copper or tungsten-silver alloys for electrical contacts. These composite P/M materials are discussed in the article “ Electrical Contact Alloys ”. Properties of various tungsten alloys are compared in Table 3 . Most of the niobium-base...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060333
EISBN: 978-1-62708-261-7
..., 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 evaluations of these alloys showed excellent wear resistance, corrosion resistance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170351
EISBN: 978-1-62708-297-6
..., conditions of operation, design of a piece of equipment, and alloy microstructure is essential. Experience gained from previously successful service applications is most valuable. Aluminum alloys for wear resistance applications are based on the aluminum-silicon alloy system...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120131
EISBN: 978-1-62708-269-3
...) through the use of titanium alloys to replace the current steels and nickel-base superalloys. Several nonburning titanium alloy development programs were run during the 1990s. A burn-resistant beta alloy, Alloy C (Ti-35V-15Cr), was developed by Pratt & Whitney in partnership with Wah Chang for use...
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
...-Base Alloys , Corrosion: Materials , Vol 13B , ASM Handbook , ASM International , 2005 10.31399/asm.hb.v13b.a0003820 Selected References • Avedesian M. and Baker H. , Ed., ASM Specialty Handbook: Magnesium and Magnesium Alloys , ASM International , 1999...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260187
EISBN: 978-1-62708-336-2
... Holcomb ( Ref 23 , 25 ) studied both die wear and die design using a variety of die materials. Recently, Zhou et al. ( Ref 26 ) attempted to find the replacement of tool steel with hard metals, such as tungsten carbide (WC) containing three different levels of cobalt (Co). They experimented with 6061...
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...
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
... film (Al 2 O 3 ), a great number of aluminum alloys have exceptional corrosion resistance in many atmospheric and chemical environments. Its corrosion and oxidation resistance is especially important in architectural and transportation applications. On an equal weight and cost basis, aluminum is a...
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 November 2010
DOI: 10.31399/asm.tb.sap.t53000001
EISBN: 978-1-62708-313-3
... development of cobalt-base superalloys occurred at the same time as the introduction of the austenitic stainless steel-based superalloys. In the early 1900s, patents were issued for Co-Cr and Co-Cr-W systems developed for environmentally aggressive applications, such as cutlery, machine tools, and wear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000009
EISBN: 978-1-62708-313-3
... processing of cobalt-base superalloys by the use of air or argon melting, which is significantly less expensive than vacuum melting techniques. Another very important group of cobalt-base superalloys is the wear-resistant alloys, such as Stellite 6B, but the poor ductility of these alloys limits them...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240563
EISBN: 978-1-62708-251-8
... these alloys. At moderate temperatures, approximately 870 °C (1600 °F) and below, general uniform oxidation is not a major problem. At higher temperatures, nickel- and cobalt-base superalloys are attacked by oxygen. The level of oxidation resistance at temperatures below approximately 980 °C (1800 °F...
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
... Haberling ( Ref 24.9 ) describe maraging steels for hot work and plastic mold applications, and new grades of maraging steels, free of cobalt, are currently under active development ( Ref 24.13 ). Tool steel alloy design is in large part based on alloying steel with strong carbide-forming transition...