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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170540
EISBN: 978-1-62708-297-6
... Abstract This article discusses the properties, behaviors, and uses of cobalt and its alloys. It explains how cobalt alloys are categorized and describes the commercial designations and grades that are available. It also provides composition information and explains how alloying elements...
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
... alloys include electrical-resistance alloys, low-expansion alloys, magnetically soft alloys, and shape memory alloys. This chapter discusses the metallurgy, nominal composition, properties, applications, advantages, and disadvantages of these alloys. It also provides information on cobalt wear-resistant...
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Published: 01 November 2007
Fig. 7.31 Corrosion of cobalt-base alloys (alloys 188 and 6B) and cobalt-containing alloys (alloys 556, N155, RV-18, and RV-19) in the MPC coal gasification atmosphere with 1.0 and 1.5% H 2 S (see Tables 7.4 and 7.5 for gas composition). Source: Ref 60 More
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Published: 01 November 2019
Figure 2 A) Trace reroute performed by He ion beam. B) Deposition of <30nm cobalt lines with He ion beam induced deposition. C) 40nm wide via milled with neon FIB and tungsten filled with helium ion beam induced deposition. More
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Published: 01 June 2008
Fig. 29.15 Microstructures of cobalt-base wear-resistant alloys. GTAW, gas tungsten arc welding. Source: Ref 10 More
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Published: 01 June 2008
Fig. 29.16 Abrasion data for various cobalt-base alloys. Source: Ref 11 More
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Published: 01 January 2017
Fig. 3.21 Plot of stress level vs. time to failure to compare behavior of low-cobalt-bearing, standard, and cobalt 18Ni-250 maraging steels tested in stagnant 35% NaCl solution for 1000 h using proof-ring tensile specimens. Source: Ref 3.3 More
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Published: 01 October 2011
Fig. 11.1 Comparison of the red hardness of cobalt-bearing grades of high-speed steel (M33, M36, and T15) vs. that of non-cobalt-bearing grades (M1, M2, M4, M7, and T1). Source: Ref 11.8 More
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Published: 01 October 2011
Fig. 11.2 Effect of cobalt content on the red hardness of T1 high-speed steel. Source: Ref 11.8 More
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Published: 01 October 2011
Fig. 16.14 Creep damage (bowing) of a cobalt-base alloy turbine vane from overheating More
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Published: 01 December 2015
Fig. 7 Fretting of cobalt-gold-plated copper flats in contact with solid gold in an electrical contact. (a) After 1000 cycles. (b) After 10 4 cycles. (c) After 10 5 cycles. (d) After 10 6 cycles. Source: Ref 8 More
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Published: 01 December 2001
Fig. 1 Comparison of the hot hardness of cobalt-bearing (M4, M33, M36, and T15)vs. that of noncobalt-bearing (M1, M2, M4, M7, and T1) high-speed tool steels More
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Published: 01 December 2001
Fig. 2 Effect of cobalt content on the hot hardness of T1 high-speed steel. Initial hardness of 66 HRC at different testing temperatures. Source: Ref 3 More
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Published: 01 December 2001
Fig. 4 Plot of stress level vs. time to failure to compare behavior of low-cobalt-bearing, standard, and cobalt-free 18Ni-250 maraging steels, tested in stagnant 3.5% NaCl solution for 1000 h using proof-ring tensile specimens More
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Published: 01 December 2001
Fig. 3 Variation in properties with cobalt content and grain size for straight WC-Co alloys. (a) Variation in hardness. (b) Variation in abrasion resistance. (c) Variation in density. (d) Variation in compressive strength. (e) Variation in transverse rupture strength More
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Published: 01 December 2001
Fig. 4 Variation in fracture toughness ( K Ic ) with cobalt content for WC-Co alloys with different tungsten carbide grain sizes More
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Published: 01 December 2001
Fig. 5 Variation in properties with cobalt content for straight WC-Co alloys. (a) Variation in modulus of elasticity. (b) Variation in thermal conductivity. (c) Variation in thermal expansion More
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Published: 01 December 2001
Fig. 8 Intrinsic induction of iron-cobalt alloys at various magnetizing levels More
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Published: 01 March 2002
Fig. 2.3 Stress-rupture (1000 h) strengths vs. temperature for some cobalt-base superalloys More
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Published: 01 March 2002
Fig. 5.6 Polycrystalline cast cobalt-base turbine guide vanes and segments More