PURE TITANIUM-BASED NANOSTRUCTURED COMPOSITE AND METHOD OF ITS PRODUCTION Russian patent published in 2013 - IPC C22C1/05 C22C14/00 B22F3/14 B82Y30/00 

Abstract RU 2492256 C9

FIELD: metallurgy.

SUBSTANCE: proposed composite comprises matrix of pure titanium ≤250 nm age-hardened by thermally and chemically stable nano-sized particles of titanium carbide, boride or nitride with particle size of 2-10 nm. Hardening particles are uniformly distributed in composite volume while their fraction therein makes 0.05-0.50 wt %. Composite is obtained by mechanical alloying of pure titanium with particle size of 40-200 mcm in ball triple-action mill in atmosphere of protective gas and after-hot isostatic pressing.

EFFECT: higher strength due to higher yield point, extension limit, fatigue strength and biological compatibility.

13 cl, 1 dwg, 3 tbl, 3 ex

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RU 2 492 256 C9

Authors

Panin Valerij Ivanovich

Panin Sergej Valer'Evich

Chumakov Maksim Vladimirovich

Dates

2013-09-10Published

2012-05-16Filed