Title:
HIGH TOUGHNESS MAGNESIUM-BASE ALLOY, DRIVE COMPONENT USING SAME, AND METHOD FOR PRODUCING HIGH TOUGHNESS MAGNESIUM-BASE ALLOY MATERIAL
Document Type and Number:
WIPO Patent Application WO/2005/123972
Kind Code:
A1
Abstract:
Disclosed is a high toughness magnesium-base alloy containing, on a weight basis, 1-8% of a rare earth element and 1-6% of calcium, wherein the maximum crystal grain size of magnesium which constitutes the base metal is not more than 30 μm. An intermetallic compound (6) of at least one of the rare earth element and calcium has a maximum particle size of not more than 20 μm, and dispersed in crystal grain boundaries (5) and crystal grains (4) of the magnesium base metal.
Inventors:
KONDOH KATSUYOSHI (JP)
Application Number:
PCT/JP2005/009051
Publication Date:
December 29, 2005
Filing Date:
May 18, 2005
Export Citation:
Assignee:
TOUDAI TLO LTD (JP)
KONDOH KATSUYOSHI (JP)
KONDOH KATSUYOSHI (JP)
International Classes:
B22F1/00; B22F3/00; C22C1/04; C22C23/06; C22F1/06; C22F1/00; (IPC1-7): C22C23/06; B22F1/00; B22F3/00; C22F1/06
Foreign References:
| JPH0397824A | 1991-04-23 | |||
| JPH0748646A | 1995-02-21 | |||
| JP2003277899A | 2003-10-02 | |||
| JPH0841576A | 1996-02-13 | |||
| US5073207A | 1991-12-17 | |||
| JPH0748646A | 1995-02-21 | |||
| JP2003277899A | 2003-10-02 |
Other References:
See also references of EP 1770180A4
Attorney, Agent or Firm:
Itoh, Hidehiko (Kyowa Shimanouchi Bldg. 21-19, Shimanouchi
1-chome, Chuo-ku, Osaka-sh, Osaka 82, JP)
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