NANO-CRYSTAL AUSTENITIC STEEL BULK MATERIAL HAVING ULTRAHARDNESS AND TOUGHNESS AND EXCELLENT CORROSION RESISTANCE, AND METHOD FOR PRODUCTION THEREOF

Details for Australian Patent Application No. 2003266649 (hide)

Owner NANO TECHNOLOGY INSTITUTE, INC

Inventors OGAWA, Hidenori; ODA, Kazuo; KATSUMURA, Munehide; MIZUTANI, Masaru; MIURA, Harumatsu; MIYAO, Nobuaki

Pub. Number AU-A-2003266649

PCT Number PCT/JP03/12343

PCT Pub. Number WO2004/029312

Priority 2002/284576 27.09.02 JP

Filing date 26 September 2003

Wipo publication date 19 April 2004

International Classifications

C22C 033/02 Ferrous alloys, i.e. alloys based on iron - by powder metallurgy

B22F 001/00 Special treatment of metallic powder, e.g. to facilitate working, to improve properties

B22F 003/24 Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering - After-treatment of workpieces or articles

C21D 006/00 Heat treatment of ferrous alloys

Event Publications

18 December 2003 Complete Application Filed

  Priority application(s): 2002/284576 27.09.02 JP

20 May 2004 Application Open to Public Inspection

  Published as AU-A-2003266649

16 June 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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