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公开(公告)号：US12031190B2
公开(公告)日：2024-07-09
申请号：US17776150
申请日：2020-11-26
Applicant: PROTERIAL, LTD.
Inventor： Mari Yoshihara , Takuya Murai , Tadashi Fukuda , Shoichi Takahashi
CPC classification number: C21D11/005 , C21D8/0226 , C21D8/0263 , C22C14/00 , C22C19/03 , C21D2261/00
Abstract: A method for producing a Ni- or Ti-based alloy product includes preliminarily processing a hot working material of a Ni- or Ti-based alloy after hot working into a predetermined shape; heating and holding the material at a solution treatment temperature to obtain a material held in a heated state; and cooling the material to obtain a solution-treated material. The cooling step includes placing a flow path-forming member having a space for forming a flow path for a fluid on a surface of the material held in a heated state to form a fluid flow path defined by the surface of the material held in a heated state and an inner surface of the space of the flow path-forming member; and allowing a fluid to flow in the fluid flow path so that the fluid in the flow path locally cools a part of the surface of the material.
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公开(公告)号：US12297525B2
公开(公告)日：2025-05-13
申请号：US17776163
申请日：2020-11-26
Applicant: PROTERIAL, LTD.
Inventor： Mari Yoshihara , Takuya Murai , Tadashi Fukuda , Shoichi Takahashi
Abstract: Provided is a method for producing a Ni- or Ti-based alloy product, the method capable of reliably locally cooling and effectively cooling. The method includes the steps: heating and holding a hot working material of a Ni- or Ti-based alloy after hot forging or hot ring rolling at a solution treatment temperature to obtain a material held in a heated state, and cooling the material held in a heated state to obtain a solution-treated material. The cooling step includes carrying out local cooling by contacting a cooling member with a part of a surface of the material held in a heated state.
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