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:
Aug. 13, 1996
Filed:
Feb. 09, 1995
Zenzo Ishijima, Matsudo, JP;
Jun-ichi Ichikawa, Matsudo, JP;
Shuji Sasaki, Matsudo, JP;
Hideo Shikata, Matsudo, JP;
Hideo Urata, Wako, JP;
Shoji Kawase, Wako, JP;
Jun-ichi Ueda, Wako, JP;
Hitachi Powdered Metals Co., Ltd., Chiba, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
The Al-Si sintered alloy having good mechanical strength and elongation and is especially excellent in wear resistance, and a method for producing the same. The sintered alloy consists of 2.4-23.5% Si, 2-5% Cu, 0.2-1.5% Mg, 0.01-1% of transition metals and the balance of aluminum and unavoidable impurities, and has a dapple grain structure of an Al-solid solution phase and an Al-Si alloy phase containing dispersed pro-eutectic Si crystals having a maximum diameter of 5-60 .mu.m either in the whole body or in the surface contact portion, and the area ratio of the Al-solid solution phase in the grain structure is in the range of 20-80%.