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oxide-dispersion-strengthened alloys

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080445
EISBN: 978-1-62708-304-1
... Abstract This appendix is a collection of tables listing the chemical compositions of wrought ferritic steels; wrought stainless steels; cast corrosion- and heat-resistant alloys; wrought iron-, nickel-, and cobalt-base alloys; cast nickel- and cobalt-base alloys; oxide-dispersion-strengthened...
Image
Published: 01 November 2007
Fig. 8.13 Effect of the impingement angle on erosion rate of MA754 (Ni-20Cr-0.6Y 2 O 3 , an oxide-dispersion-strengthened alloy) at 780 °C (1435 °F) in air under 140 m/s (459 ft/s) particle velocity. Source: Ref 22 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000017
EISBN: 978-1-62708-313-3
... strengthening up to temperatures of approximately 540 °C (1000 °F) ( Ref 1 ). While SSH, PH, and oxide and carbide dispersion strengthening can be present in the same alloy, there is usually one dominant mechanism. This is important for the component designer, because the strengthening mechanism plays a major...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000009
EISBN: 978-1-62708-313-3
... of melting point) strength through the combined effects of γ′ strengthening and fine oxide dispersions ( Ref 12 ). The term oxide-dispersion-strengthened (ODS) superalloys is often used to describe MA materials containing oxide dispersions. Examples of ODS superalloys include Inconel alloys MA-754 and MA...
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
... 10.1179/imtr.1976.21.1.1 7. Poole J.M. , Fischer J.J. , Hack G.A.J. , and McColvin G.M. , The Development, Performance and Future of the Mechanical Alloying Process and Oxide Dispersion Strengthened Alloys , Advances in High Temperature Structural Materials and Protective...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280117
EISBN: 978-1-62708-267-9
... compositions, such as IN-100 or Rene 95, which are difficult or impractical to forge by conventional methods. A limited use exists for oxide-dispersion-strengthened (ODS) alloys in airfoils. Powder metallurgy of conventional γ′-hardened alloys offers the advantage of creating homogeneous, fine-grained...
Image
Published: 01 October 2011
Fig. 3.32 Effect of dispersions on the hardness of an oxide-dispersion-strengthened (ODS) material as a function of temperature as compared to pure aluminum and 6061 aluminum alloy More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240583
EISBN: 978-1-62708-251-8
... precautions. It has been used for rocket components requiring moderate strength at temperatures in the range of 1095 to 1315 °C (2000 to 2400 °F). The microstructure contains alloying-element oxide particles for grain size control and dispersion strengthening. The microstructure of annealed sheet is shown...
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
... superalloys includes oxide-dispersion-strengthened alloys, such as the mechanically alloyed MA-754 and MA-6000E, which are strengthened by dispersion of inert particles, primarily yttria (Y 2 O 3 ), coupled in some cases with γ′ precipitation, as in MA-6000E. 30.2.2 Iron-Nickel-Base Superalloys Iron...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000059
EISBN: 978-1-62708-313-3
... in nickel-and nickel-iron-base superalloys and to impart oxidation resistance through the formation of an alumina scale. Iron is used when possible, simply to reduce cost. Titanium also forms strengthening precipitates in nickel-base alloys and, to a small degree, in cobalt-base superalloys. Nickel...
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
... superalloys is essentially solid-solution strengthened. Such alloys are Hastelloy X and IN 625. The solid-solution strengthened nickel-base alloys may derive some additional strengthening from carbide and/or intermetallic-compound precipitation. A third class includes oxide-dispersion strengthened (ODS...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000025
EISBN: 978-1-62708-313-3
... surface oxides play a major role in the environmental resistance of an alloy, it is primarily in oxide-dispersion-strengthened (ODS) superalloys that oxides are present throughout by design. The first ODS superalloys relied on ThO 2 for strengthening. Today, the most common strengthening oxide in ODS...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120131
EISBN: 978-1-62708-269-3
...) than to produce RE precipitates with titanium. RE oxides have been formed, and they are suitable for dispersion hardening. In RSR-processed alloys with boron, a titanium boride phase is precipitated. Although conventional alpha titanium alloys can be dispersion strengthened by RSR-induced precipitation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000117
EISBN: 978-1-62708-313-3
... in Nickel-Base Superalloys , Int. Met. Rev. , Vol 21 , 1976 , p 1 – 14 10.1179/imtr.1976.21.1.1 4. Poole J.M. , Fischer J.J. , Hack G.A.J. , and McColvin G.M. , The Development, Performance and Future of the Mechanical Alloying Process and Oxide Dispersion Strengthened...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170308
EISBN: 978-1-62708-297-6
...-temperature ductility. To further improve the strength of tungsten-rhenium alloys, a dispersion of ThO 2 or HfC may be added. Research also has been conducted on the strengthening effects of zirconia particles formed by internal oxidation of tungsten-zirconium alloys. Dispersion-strengthened tungsten...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170003
EISBN: 978-1-62708-297-6
... is a hard material, such as martensite in steel or alumina (Al 2 O 3 ) in aluminum, the alloy is strengthened by dispersion hardening . Another example of dispersion hardening is dispersion-strengthened copper produced by internal oxidation. These alloys, which feature a fine, uniform dispersion...
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
..., oxygen diffuses more freely through solid silver than through any metal. This fact has made it feasible to internally oxidize certain alloying elements, such as cadmium, in order to dispersion strengthen silver for use in electrical contacts. Brazing Alloys A very wide range of silver-based...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430087
EISBN: 978-1-62708-253-2
... exceeding 700 °C, the strength levels exhibited by nickel-base superalloys are inadequate and other heat-resistant materials are needed. Oxide dispersion strengthened (ODS) alloys that have an iron- or nickel-base matrix with a fine and uniform dispersion of sub-micron and nanoparticles of Y 2 O 3 have...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240135
EISBN: 978-1-62708-251-8
... tempers on 7 xxx alloys. SCC, stress-corrosion cracking 9.4 Dispersion Hardening Mechanical alloying (MA) is a process used to make oxide-dispersion-strengthened (ODS) alloys, such as the nickel-base superalloy MA 6000. Some of these alloys combine precipitation hardening along with oxide...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280025
EISBN: 978-1-62708-267-9
.... The solid-solution-strengthened nickel-base alloys may derive some additional strengthening from carbide and/or intermetallic compound precipitation. A third class of nickel-base superalloys includes oxide-dispersion-strengthened (ODS) alloys such as IN-MA-754 and IN-MA-6000E, which are strengthened...