Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Reexamination Certificate
2008-08-28
2010-11-02
Wyszomierski, George (Department: 1793)
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
C164S047000, C420S590000
Reexamination Certificate
active
07824461
ABSTRACT:
A method for fabricating a magnesium-based alloy includes the steps of: (a) mixing a number of carbon nanotubes with a number of magnesium particles; (b) heating the mixture in a protective gas to achieve a semi-solid-state paste; (c) stirring the semi-solid-paste using an electromagnetic stirring force to disperse the carbon nanotubes into the paste; (d) injecting the semi-solid-state paste into a die; and (e) cooling the semi-solid-state paste to achieve a magnesium-based alloy. An apparatus for fabricating the magnesium-based alloy includes a transferring device, a thixomolding machine, and an electromagnetic stirring device. The transferring device includes a feed inlet. The thixomolding machine includes a heating barrel having two ends, a nozzle disposed at a first end thereof, and an material input positioned at a second end thereof. The electromagnetic stirring device includes an electromagnetic induction coil disposed on an outer wall of the heating barrel.
REFERENCES:
patent: 2009/0057957 (2009-03-01), Chan et al.
patent: 2009/0127743 (2009-05-01), Chan et al.
patent: 1772414 (2006-05-01), None
“Magnesium (Mg)”. Prokon Version 8.6 Copyright 1997-98 by Harold Schwartz for ShowMe Software.
Machine translation of CN 1772414 (claims), patent published May 17, 2006.
Fabrication and Mechanical Properties of Carbon Nanotube/ZM5 Composites, QI Dao-Hua et al., Foundry Technology, vol. 28 No. 5, p. 676-682, May 2007, China.
Fabrication and Properties of Particulate Reinforced Magnesium Matrix composites, Master thesis, Xian University of Technology, Hongqiang Nan,Jun. 1, 2007,China.
Powder Injection Moulding Techology for NdFeB Magnets, China Die & Mouldindustry, Xie Jian,Jun. 30, 2005, China.
Development of novel carbon nanotube reinforced magnesium nanocomposites using the powder metallurgy technique, CS Goh et al., Nanotechnology, vol. 17, p. 7-12 (2006).
Chan Kam-Shau
Chen Cheng-Shi
Li Wen-Zhen
Zhang Li-Qing
Bonderer D. Austin
Hon Hai Precision Industry Co. Ltd.
McGuthry-Banks Tima M
Tsinghua University
Wyszomierski George
LandOfFree
Method and apparatus for making magnesium-based alloy does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for making magnesium-based alloy, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for making magnesium-based alloy will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4251740