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Title:
アルミダイカスト製品の改質方法
Document Type and Number:
Japanese Patent JP5271215
Kind Code:
B2
Abstract:
An aluminum die casting product which is improved in corrosion resistance and mechanical strength in particular in proof stress, and a reforming method of an aluminum die casting product are provided. The aluminum die casting product according to the present invention contains Si and Cu, and the largest particle of an Al—Cu metallic compound that exists at a crystal grain boundary between Si and Al has a diameter smaller than or equal to 10 μm. The reforming method of the present invention is applied to an aluminum die casting product that contains Si and Cu, and the aluminum die casting product is heated at a temperature higher than or equals to 150° C. and lower than 250° C.

Inventors:
Kenya Ohashi
Takayoshi Hikichi
Kazumi Fujii
Application Number:
JP2009213816A
Publication Date:
August 21, 2013
Filing Date:
September 15, 2009
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
C22F1/043; B22D17/00; B22D29/00; C22C21/02; C22F1/00
Domestic Patent References:
JP2004027316A
JP10298723A
JP2004091818A
JP2009101410A
JP2000192180A
JP8134578A
JP2000204428A
JP2006137994A
JP54153728A
JP2001214228A
JP2000355722A
JP2004225121A
JP2005082850A
Foreign References:
WO2008105066A1
Attorney, Agent or Firm:
Isono Dozo
Etsuo Tada



 
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