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Yttrium creep properties

In stainless steels for high-temperature applicahons, RE metals, chiefly yttrium, are used to improve the oxidation resistance. Yttrium is also used in ODS aUoys (Oxide Dispersion Strengthened). Yttrium oxide parhcles with grain size 50-1500 A are distributed in a matrix of some high-aUoy material. The finely dispersed Y Oj particles obstruct the dislocahon movement in the alloy and thus improve the creep properties at high temperature. The ODS ahoy is manufactured by extrusion or by HIP (Heat Isostatic Pressing). [Pg.478]


See other pages where Yttrium creep properties is mentioned: [Pg.25]    [Pg.55]    [Pg.307]    [Pg.466]    [Pg.466]    [Pg.118]    [Pg.464]    [Pg.147]    [Pg.415]    [Pg.60]    [Pg.77]    [Pg.35]    [Pg.458]   
See also in sourсe #XX -- [ Pg.649 ]




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Yttrium properties

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