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公开(公告)号：US20220126388A1
公开(公告)日：2022-04-28
申请号：US17646943
申请日：2022-01-04
发明人： Shinji Sato , Takeshi Yamada , Takemasa Yamasaki
摘要： An additively manufactured object formed by depositing weld bead layers, each of the weld bead layers being obtained by melting and solidifying a filler metal made of a mild steel, the additively manufactured object includes a plurality of the weld bead layers having a ferrite phase with an average grain diameter of 11 μm or less in a part except for a surface oxide film.
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公开(公告)号：US11945031B2
公开(公告)日：2024-04-02
申请号：US15733967
申请日：2019-05-31
发明人： Takemasa Yamasaki , Tatsuya Fujii , Shinji Sato , Takeshi Yamada
摘要： A method for manufacturing an additively-manufactured object in which deposition is performed by melting and solidifying a metal depending on three-dimensional shape data of a target shape, includes: acquiring the three-dimensional shape data; creating a deposition plan in which a formation track and a heating condition of the metal are determined; determining a difference between a shape of the additively-manufactured object that thermally contracts by cooling after deposition and a shape of the three-dimensional shape data by an operation; modifying the deposition plan until the difference falls within a predetermined allowable range; and additively manufacturing the additively-manufactured object based on the deposition plan in which the difference falls within the allowable range.
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