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Book Chapter

Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003817
EISBN: 978-1-62708-183-2
... Abstract This article addresses the cobalt and cobalt-base alloys most suited for aqueous environments and those suited for high temperatures. The performance of cobalt alloys in aqueous environments encountered in commercial applications is discussed. The article provides information...
Book Chapter

By D.L. Klarstrom
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006267
EISBN: 978-1-62708-169-6
... Abstract Cobalt is used as an alloying element in alloys for various applications. This article provides a detailed account of the metallurgy of cobalt-base alloys. It focuses on the compositions, properties, and applications of cobalt-base alloys, which include wear-resistant cobalt alloys...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006390
EISBN: 978-1-62708-192-4
... Abstract This article focuses on the tribological behavior of group 1, 2, and 3 cobalt-base alloys, namely, carbide-type wear-resistant alloys and laves-type wear-resistant alloys. The behavior includes hardness, yield strength and ductility, and fracture toughness. The article contains a table...
Book Chapter

By Robert Pilliar, Scott D. Ramsay
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005669
EISBN: 978-1-62708-198-6
... microstructure orthopaedic applications solidification strengthening wear wrought cobalt alloys wrought cobalt-chromium-molybdenum alloys COBALT-BASE ALLOYS with significant refractory metal element additions as well as small amounts of nickel, carbon, and other minor constituents were developed...
Image
Published: 31 December 2017
Fig. 1 1Microstructures of cobalt-base alloys. (a) Microstructure of several cobalt-base alloys produced via casting and hot isostatic pressing (HIP) from the powder form. Source: Ref 17 and 20 . (b) Microstructure of Tribaloy alloy (T-800) showing the Laves precipitates (the largest More
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Published: 31 December 2017
Fig. 10 Room-temperature abrasion test results of wrought cobalt-base alloys compared with other alloys. Solid bars: low-stress data in accordance with ASTM G65, dry sand/rubber wheel test (procedure B). Shaded bars: high-stress data in accordance with ASTM B611, slurry/steel wheel test. Both More
Image
Published: 31 December 2017
Fig. 13 Self-mated pin-on-disc sliding wear volume loss of cobalt-base alloys versus carbon content. Test procedure similar to ASTM G133-02, procedure A (25 N, or 5.6 lbf; 5 Hz frequency; 10 mm, or 0.4 in., reciprocating stroke length; 100 m, or 330 ft, sliding distance), except that the pin More
Image
Published: 31 December 2017
Fig. 14 Ball-on-flat sliding wear volume loss of cobalt-base alloys versus carbon content. Test procedure similar to ASTM G133-02, procedure A (25 N, or 5.6 lbf; 1 Hz frequency; 10 mm, or 0.4 in., reciprocating stroke length; 500 m, or 1640 ft, sliding distance) conducted with sintered WC-6wt More
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Published: 31 December 2017
Fig. 15 Ball-on-flat sliding wear volume loss of cobalt-base alloys versus relative sum of carbon and tungsten or molybdenum content, R cw or R cm . Test procedure similar to ASTM G133-02, procedure A (25 N, or 5.6 lbf; 1 Hz frequency; 10 mm, or 0.4 in., reciprocating stroke length; 500 m More
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Published: 01 December 1998
Fig. 1 Abrasion data of various cobalt-base alloys tested per ASTM G 65B More
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Published: 01 December 1998
Fig. 2 Cavitation erosion data on various cobalt-base alloys, Hastelloy alloy C-276, and 316L stainless steel More
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Published: 01 December 1998
Fig. 3 Sulfidation data of cobalt-base alloys 25 and 188 relative to selected nickel-base alloys at 980 °C (1800 °F) More
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Published: 01 January 2006
Fig. 4 Typical cyclic polarization curves of stainless steel, cobalt-base alloys, and titanium alloys in phosphate-buffered saline (room temperature; scan rate, 1 m V/s; preimmersion, 10 min). (a) 316L stainless steel. (b) NiTi. (c) Co-Cr-Mo. (d) MP35N. (e) Ti-6Al-4V. (f) CP-Ti More
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Published: 01 January 1990
Fig. 3 Abrasion data of various cobalt-base alloys tested per ASTM G 65B More
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Published: 01 January 1990
Fig. 4 Galling data of various cobalt-base alloys, Hastelloy C-276, and Nitronic-60 stainless steel. Data are from a 120°-10 stroke test with a 26.7 kN (6000 lbf) load. More
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Published: 01 January 1990
Fig. 5 Cavitation erosion data on various cobalt-base alloys, Hastelloy alloy C-276, and 316L stainless steel More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001430
EISBN: 978-1-62708-173-3
... Abstract This article discusses the weldability characteristics of cobalt-base corrosion-resistant (CR) alloys, titanium-base CR alloys, zirconium-base CR alloys, and tantalum-base CR alloys that assist in the selection of suitable alloy and welding method for producing high-quality welds...
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Published: 30 September 2015
Fig. 12 Scanning electron micrographs of Haynes Stellite 21 cobalt-base alloy powder. Milled in ethyl alcohol with aluminum nitrate grinding aid. (a) As-received powder. (b) After 1 h. (c) After 2 h. (d) After 4 h. (e) After 8 h. (f) After 16 h. (g) After 32 h. (h) After 64 h More
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Published: 01 December 2004
Fig. 34 Microstructure of Elgiloy, a cobalt-base alloy used for watch springs (Co-20%Cr-15%Fe-15%Ni-2%Mn-7%Mo-0.05%B-0.15%C), after hot rolling and solution annealing (1040 °C, or 1900 °F, for 2 h, water quenched). The specimen is partially recrystallized. The specimen was tint etched More
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Published: 01 January 1986
Fig. 61 Stacking faults on {111} in an fcc cobalt-base alloy. All images are from the same area in the specimen, but are viewed under three separate ⟨220⟩ diffraction conditions, as seen in the accompanying diffraction patterns. More