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Title:
メモリーディスクのスクラップ材の利用方法
Document Type and Number:
Japanese Patent JP4656194
Kind Code:
B2
Abstract:

To provide a method for effectively utilizing a scrap material of a memory disk.

This method is a method for utilizing, as a primary-crystal Si refining agent when manufacturing an Al-Si type aluminum alloy, a scrap material of a memory disk made of aluminum alloy wherein Ni-P plating is applied to the surface comprises the steps of: recovering the scrap material of the memory disk; putting the scrap material of the memory disk into a molten aluminum alloy in a melting furnace; and a molten metal treatment in which a flux is added to carry out slag removal.

COPYRIGHT: (C)2009,JPO&INPIT


Inventors:
Tsutomu Saito
Masayuki Ozawa
Kumamoto Yoshiko
Application Number:
JP2008160155A
Publication Date:
March 23, 2011
Filing Date:
June 19, 2008
Export Citation:
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Assignee:
NIPPON LIGHT METAL COMPANY,LTD.
International Classes:
C22B21/00; B22D27/20; C22B7/00; C22C1/02; C22C21/02
Domestic Patent References:
JP4276031A
JP2002249840A
JP2004269937A
Attorney, Agent or Firm:
Sonoda Yoshitaka
Kobayashi Yoshinori



 
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