Title:
HIGH-STRENGTH ALUMINUM ALLOY SUPERIOR IN HEAT RESISTANCE, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2008202121
Kind Code:
A
Abstract:
To provide a high-strength aluminum alloy which is superior in heat resistance, has excellent fatigue strength at about 200C and can be manufactured while avoiding the increase of a manufacturing cost, and to provide a manufacturing method therefor.
This aluminum alloy comprises: 2.5 to 3.3% Cu, 1.5 to 2.2% Mg, 0.2 to 0.4% Si, 0.5 to 1.0% Fe, 0.8 to 1.3% Ni, 0.40 to 0.70% Mn, 0.10 to 0.20% Zr, 0.01 to 0.04% Ti, while making a content ratio of Cu and Mg (Cu%/Mg%) into a range of 1.1 to 2.2, and the balance Al with unavoidable impurities.
Inventors:
NAKAMURA TAKEYOSHI
HATTA HIDECHIKA
MATSUDA SHINICHI
WATAKABE HARUO
HATTA HIDECHIKA
MATSUDA SHINICHI
WATAKABE HARUO
Application Number:
JP2007041690A
Publication Date:
September 04, 2008
Filing Date:
February 22, 2007
Export Citation:
Assignee:
HONDA MOTOR CO LTD
SUMITOMO LIGHT METAL IND
SUMITOMO LIGHT METAL IND
International Classes:
C22C21/12; C22F1/057; C22F1/00
Attorney, Agent or Firm:
Yasuo Fukuda
Kenji Akatsuka
Kenji Akatsuka