Title:
COMPOSITE MATERIAL WITH CRYSTAL GRAINS OF BASE MATERIAL MICRONIZED AND PRODUCTION METHOD THEREOF
Document Type and Number:
Japanese Patent JP2014201762
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To enhance strength of a composite material containing metals such as Al and the like as a base material, which are light but has low strength.SOLUTION: A composite material contains a compound dispersed in a base metal, which is produced during casting and serves as heterogeneous nuclei, or the composite material is produced by increasing a cooling rate during solidification by adding powder, which is the same as the base material, before casting, thereby enhancing strength of the base metal by micronizing crystal grains thereof. A method of producing a composite material comprises mixing powder of a base metal with powder which forms a compound with the base metal, charging the mixed powder into a mold which rotates and pouring a molten base metal while applying centrifugal force to the mixed powder to make the molten base metal react with the powder to form a compound which serves as heterogeneous nuclei or increasing the cooling rate during solidification by adding the powder to micronize crystal grains of the base metal.
Inventors:
YAMAUCHI KAZUYA
KUNIMINE TAKAHIRO
SATO TAKASHI
WATANABE YOSHIMI
KUNIMINE TAKAHIRO
SATO TAKASHI
WATANABE YOSHIMI
Application Number:
JP2013076507A
Publication Date:
October 27, 2014
Filing Date:
April 02, 2013
Export Citation:
Assignee:
NAGOYA INST TECHNOLOGY
International Classes:
C22C21/00; B22D13/02; B22D19/16; C22C1/00
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