FLAME-RETARDANT MAGNESIUM ALLOY AND METHOD FOR PRODUCING SAME

WIPO Patent Application WO/2020/183980

A1

Provided are: a flame-retardant magnesium alloy which is prevented from the occurrence of the molten metal combustion during the melting of the alloy in casting; and a method for producing the flame-retardant magnesium alloy.　A magnesium alloy containing a specific element in a specified amount and also containing a specific rare earth element (RE) in a specified amount. The magnesium alloy makes it possible to form an oxide film of the rare earth element (RE) which is dense and thin and is rarely cracked on the outermost surface of a molten metal. More specifically a flame-retardant magnesium alloy which contains, in % by mass, less than 9.0% of Ca, 0.5% or more and less than 5.7% of Al, 1.3% or less of Si, 0.4% or more and less than 1.3% of a rare earth element and a remainder made up by Mg and unavoidable impurities, wherein the requirement represented by the formula: Al+8Ca ≧ 20.5% is satisfied.

JP6799618	Magnesium alloy material and its manufacturing method
JP6940759	Magnesium alloy and its manufacturing method, and electronic equipment
WO/2011/030474	MAGNESIUM-LITHIUM ALLOY, ROLLED MATERIAL, FORMED ARTICLE, AND PROCESS FOR PRODUCING SAME

IENAGA YUICHI (JP)
NOSAKA YOICHI (JP)

PCT/JP2020/004071

September 17, 2020

February 04, 2020

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HONDA MOTOR CO LTD (JP)
GLOBAL MAGNESIUM CORP (JP)

C22C23/00; C22C23/02; C22F1/00; C22F1/06

JPH09272945A	1997-10-21
JPH09316586A	1997-12-09
JPH08269609A	1996-10-15
JP2017061753A	2017-03-30
JPH0390530A	1991-04-16
JPH0711374A	1995-01-13
JP2007070688A	2007-03-22
JPH0625790A	1994-02-01
JPH07278717A	1995-10-24

SHOBAYASHI Masayuki et al. (JP)

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