The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 09, 2011
Filed:
Jun. 11, 2007
Volodymyr A. Duz, Hudson, OH (US);
Orest M. Ivasishin, Kiev, UA;
Vladimir S. Moxson, Hudson, OH (US);
Dmitro G. Savvakin, Kiev, UA;
Vladislav V. Telin, Zaporozhye, UA;
Volodymyr A. Duz, Hudson, OH (US);
Orest M. Ivasishin, Kiev, UA;
Vladimir S. Moxson, Hudson, OH (US);
Dmitro G. Savvakin, Kiev, UA;
Vladislav V. Telin, Zaporozhye, UA;
Advance Materials Products, Inc., Hudson, OH (US);
Abstract
The invention relates to manufacture of titanium articles from sintered powders. The cost-effective initial powder: 10-50 wt % of titanium powder having ≦500 microns in particle size manufactured from underseparated titanium sponge comprising ≦2 wt % of chlorine and ≦2 wt % of magnesium; 10-90 wt % of a mixture of two hydrogenated powders A and B containing different amount of hydrogen; 0-90 wt % of standard grade refined titanium powder, and/or 5-50 wt % of alloying metal powders. The method includes: mixing powders, compacting the blend to density at least 60% of the theoretical density, crushing titanium hydride powders into fine fragments at pressure of 400-960 MPa, chemical cleaning and refining titanium powders by heating to 300-900° C. and holding for ≦30 minutes, heating in vacuum at 1000-1350° C., holding for ≦30 minutes, and cooling.