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公开(公告)号：US20200165945A1
公开(公告)日：2020-05-28
申请号：US16627682
申请日：2018-10-23
Applicant: TPR CO., LTD.
Inventor： Yoshio BANDO , Fumiya ITO , Kenichi HARASHINA
Abstract: Provided are a valve guide made of an iron-based sintered alloy excellent in wear resistance and thermal conductivity, and a method of producing the same. Specifically, provided are a method of producing a valve guide made of an iron-based sintered alloy, the method including the steps of: molding raw material powder including diffusion-alloyed powder including core iron powder and Cu bonded to the core iron powder through diffusion to obtain a molded body; and sintering the molded body, to thereby produce a valve guide made of an iron-based sintered alloy, and a valve guide produced by the production method.
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