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Title:
FORGED SCROLL MEMBER MADE OF ALUMINUM ALLOY
Document Type and Number:
Japanese Patent JPH10130764
Kind Code:
A
Abstract:

To provide a forged scroll member made of an aluminum alloy excellent in both of strength and toughness.

This scroll member is producing by forging an aluminum alloy contg., by weight, 8.0 to 11.0% Si, 3.5 to 4.5% Cu, 0.3 to 1.0% Mg, ≤0.2% Ti and Sr and/or N by ≤0.03% in total, and the balance aluminum with inevitable impurities. The stock for the forging is composed of a semi-continuous cast ingot in which the interval between dendrite secondary arms is regulated to ≤50μm, which is forged to form into a prescribed shape or is once extruded to form and is thereafter forged.


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Inventors:
INAGAKI YOSHIYA
KOIKE SUSUMU
FUJII TAKUMI
TAKEUCHI KOJI
Application Number:
JP29077496A
Publication Date:
May 19, 1998
Filing Date:
October 31, 1996
Export Citation:
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Assignee:
KOBE STEEL LTD
International Classes:
B21J5/00; B21K3/00; C22C21/02; F04C18/02; (IPC1-7): C22C21/02; B21J5/00; B21K3/00; F04C18/02
Attorney, Agent or Firm:
Masanori Fujimaki



 
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