Title:
CRYSTAL GRAIN REFINER FOR MAGNESIUM ALLOY, CONTAINING ALUMINUM, A METHOD FOR PREPARING MAGNESIUM ALLOY, AND MAGNESIUM ALLOY MANUFACTURED BY SAME METHOD
Document Type and Number:
WIPO Patent Application WO/2015/156549
Kind Code:
A1
Abstract:
A grain refiner for a magnesium alloy according to the present invention contains aluminum (Al) and manganese (Mn), and contains a compound of aluminum (Al) and manganese (Mn) in the microstructure thereof, wherein the grain refiner is composed of a structure in which, in the compound of aluminum (Al) and manganese (Mn), the area of the compound having an Al/Mn compositional (atomic) ratio of 4-4.5 is larger than the area of the compound having an Al/Mn compositional (atomic) ratio of 5.5-6.5. When the grain refiner is added to molten magnesium, crystal grains can be refined to 50-100㎛.
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Inventors:
BAE JUN-HO (KR)
YOU BONG-SUN (KR)
KIM YOUNG-MIN (KR)
KIM HA-SIK (KR)
LIM CHANG-DONG (KR)
MOON BYEONG-GI (KR)
PARK SUNG-HYUK (KR)
YOU BONG-SUN (KR)
KIM YOUNG-MIN (KR)
KIM HA-SIK (KR)
LIM CHANG-DONG (KR)
MOON BYEONG-GI (KR)
PARK SUNG-HYUK (KR)
Application Number:
PCT/KR2015/003405
Publication Date:
October 15, 2015
Filing Date:
April 06, 2015
Export Citation:
Assignee:
KOREA MACH & MATERIALS INST (KR)
International Classes:
C22C1/02; B22D21/04; C22C23/02
Foreign References:
| KR101214939B1 | 2012-12-24 | |||
| JP2003041331A | 2003-02-13 | |||
| JP2001342528A | 2001-12-14 | |||
| KR100836599B1 | 2008-06-10 |
Attorney, Agent or Firm:
IAM PATNET FIRM (KR)
아이엠 특허법인 (KR)
아이엠 특허법인 (KR)
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