公开(公告)号：US20230251226A1

公开(公告)日：2023-08-10

申请号：US18001266

申请日：2021-06-14

Applicant: JFE STEEL CORPORATION

Inventor： Yutaka MATSUI ,  Takafumi OZEKI ,  Kazuki TERADA ,  Kenji ADACHI ,  Hiroki IMANAKA ,  Daichi IZUMI ,  Junji SHIMAMURA

IPC: G01N27/80 ,  G01N27/9013 ,  B21C51/00

CPC classification number: G01N27/80 ,  G01N27/902 ,  B21C51/00

Abstract: Provided are: a mechanical property measuring apparatus and method that can accurately measure a mechanical property through physical quantities; a substance manufacturing equipment and method that can improve the production yield rate. A mechanical property measuring apparatus (100) comprises: a physical quantity measuring unit (5) configured to measure a plurality of physical quantities of a measured object that includes a substance and a film on a surface of the substance; a classification processing unit (81) configured to select one of a plurality of calculation models (M1, M2, . . . , Mn) for calculating a mechanical property of the substance, based on at least two of the plurality of physical quantities measured; and a mechanical property calculating unit (82) configured to calculate the mechanical property of the substance using the calculation model selected by the classification processing unit (81) and the at least two of the plurality of physical quantities.

公开(公告)号：US20230228712A1

公开(公告)日：2023-07-20

申请号：US18001471

申请日：2021-06-14

Applicant: JFE STEEL CORPORATION

Inventor： Takafumi OZEKI ,  Yutaka MATSUI ,  Kazuki TERADA ,  Daichi IZUMI ,  Hiroki IMANAKA

IPC: G01N27/80

CPC classification number: G01N27/80

Abstract: Provided are a mechanical property measuring apparatus and method that can accurately measure a mechanical property through physical quantities, etc. A mechanical property measuring apparatus (100) comprises: a physical quantity measuring unit (5) configured to measure a plurality of physical quantities of a measured object that includes a substance and a film on a surface of the substance; a calculation model generating unit (81) configured to select a plurality of pieces of learning data and generate a calculation model for calculating a mechanical property of the substance; and a mechanical property calculating unit (82) configured to calculate the mechanical property of the substance using the calculation model generated and at least two of the plurality of physical quantities, wherein the selection physical quantities include at least one physical quantity measured using a first measurement signal and at least one physical quantity measured using a second measurement signal.

公开(公告)号：US20230228713A1

公开(公告)日：2023-07-20

申请号：US18001472

申请日：2021-06-14

Applicant: JFE STEEL CORPORATION

Inventor： Yutaka MATSUI ,  Takafumi OZEKI ,  Kazuki TERADA ,  Kenji ADACHI ,  Hiroki IMANAKA ,  Daichi IZUMI ,  Junji SHIMAMURA

IPC: G01N27/80

CPC classification number: G01N27/80 ,  B21C51/00

Abstract: Provided are: a mechanical property measuring apparatus and method that can accurately measure a mechanical property through physical quantities; a substance manufacturing equipment and method that can improve the production yield rate and high-quality substance. A mechanical property measuring apparatus (100) comprises: a physical quantity measuring unit (5) configured to measure a plurality of physical quantities of a measured object that includes a substance and a film on a surface of the substance; a mechanical property calculating unit (82) configured to calculate, using a plurality of calculation models each for calculating a mechanical property of the substance and at least two of the plurality of physical quantities measured, the mechanical property of the substance for each of the plurality of calculation models; and a selection processing unit (81) configured to select one mechanical property based on the at least two of the plurality of physical quantities.

公开(公告)号：US20220205950A1

公开(公告)日：2022-06-30

申请号：US17605490

申请日：2020-04-17

Applicant: JFE STEEL CORPORATION

Inventor： Takafumi OZEKI ,  Yutaka MATSUI ,  Kenji ADACHI ,  Junji SHIMAMURA

IPC: G01N27/87

Abstract: A metal structure evaluator for rolled steel sheets includes: a magnetic property measuring unit configured to measure a magnetic property of an evaluation target point in at least two or more different magnetization directions by performing, in the at least two or more different magnetization directions, processing of: applying a magnetic field on a surface of a rolled steel sheet in one direction; and measuring a magnetic property of the evaluation target point on the surface of the rolled steel sheet; and a determination unit configured to determine a metal structure of the evaluation target point based on the magnetic property measured by the magnetic property measuring unit.