METHOD FOR MANUFACTURING ALUMINUM ALLOY IN WHICH Al-Fe-Si-BASED COMPOUND IS MINIATURIZED

Title:

METHOD FOR MANUFACTURING ALUMINUM ALLOY IN WHICH Al-Fe-Si-BASED COMPOUND IS MINIATURIZED

Document Type and Number:

WIPO Patent Application WO/2014/104037

Kind Code:

A1

Abstract:

Provided is a method for manufacturing an inexpensive aluminum alloy in which an Al-Fe-Si-based compound and primary crystal Si can be caused to finely crystallize through use of a simple means. AlB2, which is present as a solid phase in an aluminum alloy melt during crystallization of the Al-Fe-Si-based compound, is added, so that the amount of B is within the range of 0.01 to 0.5 mass% relative to the entire aluminum alloy melt, to the aluminum alloy melt containing 8 to 20 mass% of Si and 0.5 to 4 mass% of Fe, and, depending on requirement: 0.005 to 2.5 mass% of Mn and/or 0.5 mass% or less of Cr; one or more of 0.5 to 6 mass% of Ni, 0.5 to 8 mass% of Cu, and 0.05 to 1.5 mass% of Mg; and 0.003 to 0.02 mass% of P; with the remainder made up of Al and unavoidable impurities. An Al-B alloy containing B as AlB2 is preferably used as the AlB2.

Inventors:

ODA KAZUHIRO (JP)
KIKUIRI TETSUYA (JP)
ISOBE TOMOHIRO (JP)
OKADA HIROSHI (JP)

Application Number:

PCT/JP2013/084535

Publication Date:

July 03, 2014

Filing Date:

December 24, 2013

Export Citation:

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Assignee:

NIPPON LIGHT METAL CO (JP)

International Classes:

B22D27/20; C22C1/02; C22C21/02

Foreign References:

JPS56116851A	1981-09-12
JPH03264637A	1991-11-25
JPS60204857A	1985-10-16
JP2006063420A	2006-03-09
JP2010090429A	2010-04-22
JP2004256873A	2004-09-16
JPH0261025A	1990-03-01
JP2005272868A	2005-10-06
JP2004514564A	2004-05-20
JP2010090429A	2010-04-22
JP2012075692W	2012-10-03

Other References: