The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 23, 2007
Filed:
May. 14, 2003
Jun-ichi Ichikawa, Matsudo, JP;
Takashi Suzuki, Matsudo, JP;
Hideo Shikata, Matsudo, JP;
Hideo Urata, Wako, JP;
Hayato Matsuda, Wako, JP;
Jun-ichi Ichikawa, Matsudo, JP;
Takashi Suzuki, Matsudo, JP;
Hideo Shikata, Matsudo, JP;
Hideo Urata, Wako, JP;
Hayato Matsuda, Wako, JP;
Hitachi Powdered Metals Co., Ltd., Chiba, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A process for producing a sintered aluminum alloy in which dispersion of tensile strength is small and elongation property and fatigue strength are improved. In this process comprising the steps of compacting powder mixture containing rapidly solidified Al—Si powder, Al powder and Cu powder or Cu alloy powder into a green compact; sintering the green compact with optional heat treatment, Al powder having a maximum particle size smaller than a specific range, an average particle size within a specific range and specific particle size distribution, is used.