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:
Feb. 04, 2014
Filed:
Sep. 08, 2009
Keita Yamana, Kariya, JP;
Motoharu Tanizawa, Kariya, JP;
Masanori Harata, Kariya, JP;
Kyoichi Kinoshita, Kariya, JP;
Keita Yamana, Kariya, JP;
Motoharu Tanizawa, Kariya, JP;
Masanori Harata, Kariya, JP;
Kyoichi Kinoshita, Kariya, JP;
Kabushiki Kaisha Toyota Jidoshokki, Aichi, JP;
Abstract
An iron alloy according to the present invention comprises: Al in an amount of from 3 to 5.5%; Mn in an amount from 0.2 to 6%; and the balance being iron (Fe), and inevitable impurities and/or a modifying element; when the entirety is taken as 100%. Since a high damping factor is obtainable at a low-strain amplitude, this iron alloy demonstrates a stable damping property even in a high-temperature region. Moreover, since the alloying elements are Al and Mn alone, and since their contents are less, the iron alloy according to the present invention is low in cost.