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Wednesday, May 6, 2020 | History

2 edition of Oxide dispersion strengthening found in the catalog.

Oxide dispersion strengthening

Oxide dispersion strengthening

proceedings of a symposium sponsored by the American Institute of Mining, Metallurgical, and Petroleum Engineers; second Bolton Landing Conference, Bolton Landing, N.Y, June 27-29, 1966

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Published by Gordon & Breach in New York .
Written in English


Edition Notes

Statementedited by George S. Ansell, Thomas D. Cooper and Fritz V. Lenel.
SeriesMetallurgical Society Conferences / Metallurgical Society of AIME -- vol.47, Metallurgical Society Conferences (Metallurgical Society of AIME) -- vol.47.
ContributionsAnsell, George S., Cooper, Thomas D., Lenel, Fritz V., American Institute of Mining, Metallurgical and Petroleum Engineers., Bolton Landing Conference, (2nd : 1966)
The Physical Object
Pagination910p.
Number of Pages910
ID Numbers
Open LibraryOL18768654M

Oxide dispersion strengthened (ODS) nickel based alloys were developed via mechanical milling and spark plasma sintering (SPS) of Ni–20Cr powder with additional dispersion of wt% Y2O3 powder. Furthermore, 5 wt% Al2O3 was added to Ni–20Cr–Y2O3 to provide composite strengthening in the ODS alloy. The effects of milling times, sintering temperature, and sintering dwell time were Cited by: Ultimate tensile strength and pct proof strength were increased by ZrO 2 particle dispersion. And creep strength of ZrO 2 particle dispersed alloys was greater than that of non-dispersed ones. From these results, the production of oxide dispersed nickelbase heat resistant alloys has been established by the spray-dispersion method.

Barkhausen Noise in PM Oxide Dispersion Strengthened Alloy Oxide dispersion strengthened alloys PM is an oxide dispersion strengthened (ODS) alloy of composition 20 Cr, Ti, Y2O3, Al, balance Fe (wt. %), manufactured by mechanically alloying the metallic components with ne particles of Y2O3 (Krautwasser et al., ). Research and Development of Oxide Dispersion Strengthened Ferritic Steels for Sodium Cooled Fast Breeder Reactor Fuels Inoue, M.; Kaito, T.; Ohtsuka, S. Abstract. Not Available. Publication: Materials Issues for Generation IV Systems. Series: NATO Science for Cited by:

Despite the advantages of atomization process, iron or nickel-based Oxide Dispersion Strengthened (ODS) powders, with nanocrystalline microstructure, cannot be produced with the atomization process because of the high temperature of yttrium (III) oxide (Y 2 O 3, °C) compared to iron (Fe, °C), nickel (Ni, °C), chromium (Cr Author: Markova Dion McPherson. @article{osti_, title = {Fabrication of oxide dispersion strengthened ferritic clad fuel pins}, author = {Zirker, L R and Bottcher, J H and Shikakura, S and Tsai, C L and Hamilton, M L}, abstractNote = {A resistance butt welding procedure was developed and qualified for joining ferritic fuel pin cladding to end caps. The cladding are INCO MA and PNC ODS lots 63DSA and 1DK1, ferritic Cited by: 6.


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Oxide dispersion strengthening Download PDF EPUB FB2

Oxide Dispersion Strengthening Hardcover – January 1, by Editors Ansell, George S. et al. (Author), Illustrated by B&W : Editors Ansell, George S. et al. Oxide - dispersion - strengthened (ODS) materials utilize extremely fine oxide dispersion for strengthening, such as nickel-base alloys or alumina.

The processing techniques employed in the production of ODS alloys produce some entrapped gases, which tend to create porosity during welding that can be rectified by suitable designing considerations. Oxide dispersion strengthened alloys are produced by mechanical alloying nanoparticles of ytterbium-oxide (Y 2 O 3) with powders containing nickel and chromium.

Depending on the alloy, other elements are added including aluminum, titanium, tungsten, molybdenum, tantalum, carbon, boron, and zirconium. THE FRICTION STIR WELDING OF OXIDE DISPERSION STRENGTHENED.

Dear Colleagues, Oxide dispersion strengthened (ODS) steel is a kind of thermal efficiency material at a high temperature. ODS steels have a potential to be widely applied in power plants: Mainly advanced nuclear power plants, fuel cladding of light water reactors and fast reactors, as well as blanket structural material of fusion reactors.

The objects of our study were various oxide-dispersion strengthened (ODS) steels, namely PM, MA, MA and ODM as well as ODS variant of Eurofer steel. Chemical compositions of the studied materials are listed in Table These materials are strong candidates for structural materials used in Generation IV reactors which have to endureAuthor: Krsjak Vladimir, Szaraz Zoltan, Snopek Jozef, Haehner Peter.

Oxide dispersion strengthened ferritic steels (ODS FS) are candidate structural materials for future fusion reactors thanks to their high temperature strength, high creep resistance, and good.

from this strengthening mechanism is oxide dispersion-strengthened (ODS) steels. These steels achieve their properties due to the homogeneously-distributed, nanometer-sized second-phase oxide.

Oxide dispersion strengthened Alloy was prepared by mechanical alloying and hot extrusion processes. Precipitation behavior during heat treatment was evaluated by XRD, SEM and TEM.

It was revealed that the dominant precipitates in the solution-annealed sample were Cr-rich M23C6 and M6C precipitates on grain boundaries, and Al–O, Y–Al–O and Y–Ti–O nano-particles in grain by: 5.

Oxide dispersion strengthening is based on incoherency of the oxide particles within the lattice of the material. The oxide particles decrease movement of dislocations within the material and in turn prevent creep. Since the oxide particles are incoherent, dislocations can only overcome the particles by climb.

Whereas, if the particles were semi-coherent or coherent with the lattice, the dislocations can simply. the copper matrix strengthening providing resistance to dislocation motion according to Orowan’s theory.

The oxide dispersion strengthened alloys, produced by mechanical alloying, are characterized by the presence of extremely small oxide dispersoids ranging from. One promising way (Alamo et al. Ukai et al. ) is to develop ferritic–martensitic steels strengthened by an oxide dispersion.

At this stage of development, the main problem that needs to be solved is the demonstration of the industrial fabrication feasibility for these kinds of advanced materials. View chapter Purchase book. Abstract. The chapter involves fabrication and characterization of novel oxide dispersion strengthened (ODS) tungsten (W)-based nanocomposites used for kinetic energy penetrator (KEP) for defense and plasma facing materials (PCM) for nuclear reactor : A.

Patra, S. Karak, T. Laha. Enhanced Radiation-tolerant Oxide Dispersion Strengthened Steel and its Microstructure Evolution under Helium-implantation and Heavy-ion Irradiation. Sci. Rep. 7, ; doi: /srep ().Cited by: Three methods for developing a uniform dispersion of molybdenum particles in aluminum oxide are compared on the basis of the resulting microstructures.

Specimens sintered in vacuum had densities approaching 98% of theoretical density with an average grain size of 2μ or less with no evidence of secondary by: INCOLOY® MA is a ferritic ODS alloy. It has very good oxidation resistance by virtue of its large chromium and aluminum concentrations and high mechanical strength and creep resistance at elevated temperatures thanks to oxide dispersion strengthening.

The conventional processing route utilized to obtain this alloy involves two main multistep : David Catalini. Iron-based and nickel-based oxide dispersion strengthened alloys exhibit good corrosion resistance and mechanical properties at elevated temperatures.

These alloys also show excellent creep resistance, which stems partly from the dispersion of oxide and other particles, and partly from the very large elongated grain structure. Synthesis Oxide Dispersion Strengthening Stainless Steel doped with Nano Zirconia by Mechanical Alloying. Pawawoi 1, Irfan Widiansyah 1 and Djoko Hadi Prajitno 2.

Published under licence by IOP Publishing Ltd Journal of Physics: Conference Series, VolumeNumber 1Author: Pawawoi, Irfan Widiansyah, Djoko Hadi Prajitno. Synthesis Oxide Dispersion Strengthening Stainless Steel doped with Nano Zirconia by Mechanical Alloying Pawawoi1, Irfan Widiansyah1, and Djoko Hadi Prajitno2 1 Metallurgy Engineering, UNJANI Jl.

Gatot Subroto Bandung, Indonesia 2PSTNT-BATAN Jl. Tamansari 71 BandungIndonesia Email: [email protected]: Pawawoi, Irfan Widiansyah, Djoko Hadi Prajitno. - For low-oxide aluminium aluminium-oxide products the oxide-dispersion strengthening is in agreement with Orowan's model when the initial flow stresses at room temperature and at °C are considered.

The strain-hardening rate at room temperature at small plastic strains (oxide File Size: 3MB. Oxide dispersion strengthened alloys. Washington, Scientific and Technical Information Division, Office of Technology Utilization, National Aeronautics and Space Administration; [for .OXIDE DISPERSION STRENGTHENED SUPERALLOYS: THE ROLE OF GRAIN STRUCTURE AND DISPERSION DURING HIGH TEMPERATURE LOW CYCLE FATIGUE D.

M. Elzey and E. Arzt Max -Planck-Institut fur Metallforschung Seestra D Stuttgart 1 Federal Republic of Germany Abstract The mechanisms leading to failure during high temperature, LCF and creep-fatigue.In this study, two candidate steels for nuclear reactors, namely a ferritic/martensitic steel (modified 9Cr-1Mo steel) and an oxide dispersion strengthened (ODS) ferritic steel (PM), were nanostructured by dynamic plastic deformation (DPD).Author: Zhenbo Zhang.