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cobalt-base heat-resistant casting

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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 on the...
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
... properties of these materials, partially because it restricts grain growth during heat treatment and service. Structural stability is enhanced in these alloys by nickel, which decreases the fcc-to-hcp transformation temperature in cobalt-base alloys. Cast heat-resistant alloys, such as alloys MAR-M 509 and...
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
... strengthening of the cast alloy and, more importantly, for providing superior wear resistance.) The homogenization/solution anneal treatment results in increased ductility. The size and distribution of the retained carbides determines the alloy wear characteristics. As is discussed in the section “Cobalt-Base...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003993
EISBN: 978-1-62708-185-6
... superalloys, namely, iron-nickel superalloys, nickel-base alloys, cobalt-base alloys, and powder alloys. The article discusses the microstructural mechanisms during hot deformation and presents processing maps for various superalloys. It concludes with a discussion on heat treatment of wrought heat-resistant...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001307
EISBN: 978-1-62708-170-2
... Abstract This article describes the methods for removing metallic contaminants, tarnish, and scale resulting from hot-working or heat-treating operations on nickel-, cobalt-, and iron-base heat-resistant alloys. It provides a brief description of applicable finishing and coating processes...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003203
EISBN: 978-1-62708-199-3
... corrosion resistance and optimum mechanical properties are obtained in the same heat treatment. THE HIGH-TEMPERATURE STRENGTH of all superalloys is based on the principle of a stable face-centered cubic (fcc) matrix combined with either precipitation strengthening and/or solid-solution...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003220
EISBN: 978-1-62708-199-3
... descaling of stainless steel parts, equipment, and systems, although it does not cover electropolishing. THE REMOVAL of metallic contaminants, tarnish, and scale resulting from hot-working or heat-treating operations on nickel-, cobalt-, and iron-base heat-resistant alloys is described...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005257
EISBN: 978-1-62708-187-0
... process, including carbon and alloy steels, high-alloy corrosion- and heat-resistant steels, gray iron, ductile and nodular iron, high-alloy irons, stainless steels, nickel steels, aluminum alloys, copper alloys, magnesium alloys, nickel- and cobalt-base alloys, and titanium alloys. Nonmetals can also be...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003120
EISBN: 978-1-62708-199-3
... smaller parts in polycrystalline, columnar-grain, or single-crystal form. Nickel-base and some cobalt-base superalloy remelting stock for investment casting is produced by VIM. Vacuum induction melted heats of superalloys intended for the investment casting process are much smaller in mass than the VIM...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005255
EISBN: 978-1-62708-187-0
... put into use without heat treatment. AISI A2 and O1 are also used. Both are machined in the annealed state, then hardened and tempered. Carbon steels such as 1020 are sometimes used for intermediate quantities. Holder blocks, shoes, and mold bases used to hold the plastic injection molds can be made...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005277
EISBN: 978-1-62708-187-0
... tested on all cast materials. Some rules have obvious implications and are applicable to all types of metals and alloys, including those based on aluminum, zinc, magnesium, cast irons, steels, air- and vacuum-cast nickel and cobalt, and titanium. Nevertheless, although all materials will probably benefit...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009020
EISBN: 978-1-62708-187-0
.... The choice of whether a component is best manufactured as welded, assembled, fabricated, forged, machined, or cast is based on the component geometry, production costs, and requirements in application. The article addresses these issues and provides a framework for analyzing all manners of...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005299
EISBN: 978-1-62708-187-0
..., and in casting risers. Proper melting practice and, to a lesser degree, proper heat treatment can limit the gas content of conventionally melted steel to acceptable levels, regardless of the type of furnace equipment employed. Failure to control oxygen, hydrogen, and nitrogen contents may result...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003198
EISBN: 978-1-62708-199-3
... alloys, nickel-base alloys and cobalt-base alloys. The article lists the recommended applications for alloys for parts and fixtures for various types of heat treating furnaces. batch furnaces cold-wall furnace continuous furnaces fluidized-bed equipment heat treating heat-resistant alloys...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003162
EISBN: 978-1-62708-199-3
.... The cobalt-base alloys and bronzes are particularly resistant to galling and to those wear processes involving microfatigue as the degradation mechanism (such as cavitation erosion). The cobalt-base alloys also possess high resistance to deformation at temperatures in excess of 750 °C (1380 °F...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003184
EISBN: 978-1-62708-199-3
... Abstract This article reviews specific processing characteristics and forging-related properties of commonly forged families of metals and alloys, including carbon and alloy steels, stainless steels, heat-resistant alloys (iron, cobalt, and nickel base alloys), aluminum alloys, copper and...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005336
EISBN: 978-1-62708-187-0
... Abstract Nickel-base alloy castings are widely used in corrosive-media and high-temperature applications. This article begins with a discussion on the compositions of corrosion-resistant nickel-base casting alloys and heat-resistant nickel-base casting alloys. It describes the effects of...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006266
EISBN: 978-1-62708-169-6
... rafted structures are not normally produced by heat treatments in actual components. Polycrystalline (PC) cast iron-nickel-base superalloys have little or no application in the gas turbine industry, the primary user of superalloys. Polycrystalline cast cobalt-base superalloys have some application...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005657
EISBN: 978-1-62708-198-6
... common in orthopaedic implants, given their higher strength and fatigue performance. Cobalt-base alloys such as L-605 (ASTM F90) and MP35N (ASTM F562) are used in cardiovascular devices such as stents and pacemaker leads. Cobalt-base alloys typically provide excellent wear resistance, good fatigue and...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003118
EISBN: 978-1-62708-199-3
... corrosion-resistant cast steels is based on carbon content, with the heat-resistant grades normally having higher carbon contents. In general, the cast and wrought stainless steels possess equivalent resistance to corrosive media, and they are frequently used in conjunction with each other...