Title:
ALUMINUM ALLOY DIECAST, DIECAST UNIT AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2021/064865
Kind Code:
A1
Abstract:
Provided is an aluminum alloy diecast capable of ensuring the yield strength of a main body section while making the cracking of a press-fitting section unlikely, and also capable of eliminating the need for a heat treatment of the main body section during production thereof. An aluminum alloy diecast (11) equipped with a press-fitting section (13) into which a joining member (20) is press-fitted and a main body section (14) which is integrally formed with the press-fitting section (13), wherein the average hardness of the press-fitting section (13) is less than the average hardness of the main body section (14), or the average roundness of the crystals other than the primary crystal Al in the press-fitting section (13) is greater than the average roundness of the crystals other than the primary crystal Al in the main body section (14).
Inventors:
AOYAMA SHUNZO (JP)
SASAKI KAZUKI (JP)
KONDO YOSHITERU (JP)
SASAKI KAZUKI (JP)
KONDO YOSHITERU (JP)
Application Number:
PCT/JP2019/038761
Publication Date:
April 08, 2021
Filing Date:
October 01, 2019
Export Citation:
Assignee:
AHRESTY CORP (JP)
International Classes:
C22C21/02; B21J15/00; C22F1/043; C22F1/00
Foreign References:
| JP2007002281A | 2007-01-11 | |||
| JP2010090459A | 2010-04-22 | |||
| JPH04221048A | 1992-08-11 | |||
| JP2000054047A | 2000-02-22 | |||
| US20140290064A1 | 2014-10-02 |
Attorney, Agent or Firm:
PATENT FIRM SHINMEI CENTURY (JP)
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