JP7461569B2 - 校正が可能な電磁気検査装置 - Google Patents
校正が可能な電磁気検査装置 Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 140
- 239000010959 steel Substances 0.000 claims description 140
- 238000005259 measurement Methods 0.000 claims description 29
- 238000007689 inspection Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 7
- 229910001566 austenite Inorganic materials 0.000 claims description 6
- 235000019589 hardness Nutrition 0.000 description 86
- 238000001816 cooling Methods 0.000 description 25
- 239000013256 coordination polymer Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 20
- 238000010438 heat treatment Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000007547 defect Effects 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000004781 supercooling Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000007542 hardness measurement Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 229910001563 bainite Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001915 proofreading effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- RMLPZKRPSQVRAB-UHFFFAOYSA-N tris(3-methylphenyl) phosphate Chemical compound CC1=CC=CC(OP(=O)(OC=2C=C(C)C=CC=2)OC=2C=C(C)C=CC=2)=C1 RMLPZKRPSQVRAB-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
- B21C51/005—Marking devices
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/80—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating mechanical hardness, e.g. by investigating saturation or remanence of ferromagnetic material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9093—Arrangements for supporting the sensor; Combinations of eddy-current sensors and auxiliary arrangements for marking or for rejecting
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2221/00—Treating localised areas of an article
Description
10 注水設備
20 ロール
100 センサ本体
110 電磁気センサ
120 ガイドバー
130 支持部
P 被測定鋼板
CP 校正用鋼板
Z1 測定領域
Z2 校正領域
Claims (8)
- 被測定鋼板の幅方向に配置された複数の電磁気センサを含むセンサ本体と、
前記センサ本体に連結され、前記センサ本体を移動させる移動手段と、
前記被測定鋼板と異なる位置に配置される校正用鋼板と、を含む校正が可能な電磁気検査装置であって、
前記校正用鋼板は長辺と短辺を有し、第1硬度を有する第1部分と前記第1硬度より高い第2硬度を有する第2部分とを含み、
前記第1部分と第2部分は短辺方向に互いに異なる位置に配置され、
前記第1部分及び第2部分は同一の組成のオーステナイト結晶粒から変態した相を有する校正用鋼板であり、
前記校正用鋼板は前記被測定鋼板と同一の材質及び幅を有し、
前記校正用鋼板上において、前記移動手段は、前記電磁気センサの間の最大距離と前記校正用鋼板の幅との和以上の移動距離を有するように構成される、校正が可能な電磁気検査装置。 - 前記第2部分は前記第1部分より50Hv以上高い硬度を有し、
前記第1部分と第2部分は長辺方向に延長形成される、請求項1に記載の校正が可能な電磁気検査装置。 - 前記第2部分は250Hv以上の硬度を有する、請求項1に記載の校正が可能な電磁気検査装置。
- 第3硬度を有する第3部分を含み、
前記第3硬度は前記第1硬度よりは大きく、前記第2硬度よりは小さく、
前記第3部分は短辺方向に第1及び第2部分と異なる位置に配置され、
前記第3部分はオーステナイト結晶粒から変態した相を有する、請求項3に記載の校正が可能な電磁気検査装置。 - 前記複数の電磁気センサと連結された校正部をさらに含み、
前記校正部は、前記複数の電磁気センサで前記第1部分を測定した測定値及び前記第2部分を測定した測定値に基づいて前記複数の電磁気センサを校正する、請求項1に記載の校正が可能な電磁気検査装置。 - 前記校正部は、前記電磁気センサで測定された測定値を硬度に換算するとき、前記測定された部分の硬度と同一に換算して校正を行う、請求項5に記載の校正が可能な電磁気検査装置。
- 前記被測定鋼板と前記校正用鋼板は長さ及び厚さが同一である、請求項1に記載の校正が可能な電磁気検査装置。
- 前記被測定鋼板が配置される測定領域と前記校正用鋼板が配置される校正領域は並んで配置される、請求項1に記載の校正が可能な電磁気検査装置。
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KR1020200179341A KR102553226B1 (ko) | 2020-12-21 | 2020-12-21 | 전자기 검사 장치 |
KR10-2020-0179341 | 2020-12-21 | ||
PCT/KR2021/018740 WO2022139281A1 (ko) | 2020-12-21 | 2021-12-10 | 교정용 강판, 교정이 가능한 전자기 검사 장치 및 교정용 강판의 제조 방법 |
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US (1) | US20240027399A1 (ja) |
EP (1) | EP4266043A1 (ja) |
JP (1) | JP7461569B2 (ja) |
KR (1) | KR102553226B1 (ja) |
CN (1) | CN116348760A (ja) |
WO (1) | WO2022139281A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008224494A (ja) | 2007-03-14 | 2008-09-25 | Sumitomo Metal Ind Ltd | 渦流検査方法、該渦流検査方法で検査した鋼管、及び該渦流検査方法を実施するための渦流検査装置 |
JP2009014678A (ja) | 2007-07-09 | 2009-01-22 | Toshiba Corp | アレイ型磁気探傷装置の校正装置、及びその校正方法 |
JP2019042807A (ja) | 2017-09-04 | 2019-03-22 | Jfeスチール株式会社 | 鋼板の製造方法及び磁性材用表層硬さ計測装置 |
JP2020186921A (ja) | 2019-05-10 | 2020-11-19 | 日本製鉄株式会社 | 鋼材の表層の検査方法及び鋼材表層検査システム |
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JP3656181B2 (ja) * | 1998-05-18 | 2005-06-08 | Jfeスチール株式会社 | 超音波探触子の校正方法及び超音波探傷装置 |
JP3743191B2 (ja) | 1999-02-08 | 2006-02-08 | Jfeスチール株式会社 | 渦流探傷法 |
KR100949316B1 (ko) * | 2007-11-13 | 2010-03-23 | 한국표준과학연구원 | 비커스 경도 압흔 측정 계측기 교정용 표준시편 |
HUE053150T2 (hu) * | 2010-12-24 | 2021-06-28 | Voestalpine Stahl Gmbh | Módszer különbözõ keménységû és/vagy hajlékonyságú régiókkal ellátott edzett alkatrészek elõállítására |
KR101767774B1 (ko) * | 2015-12-23 | 2017-08-14 | 주식회사 포스코 | 냉각장치 |
JP2019095427A (ja) * | 2017-11-17 | 2019-06-20 | 国立大学法人 大分大学 | 電磁気センサ及びこれを用いた鋼管の検査方法 |
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- 2021-12-10 CN CN202180073065.7A patent/CN116348760A/zh active Pending
- 2021-12-10 WO PCT/KR2021/018740 patent/WO2022139281A1/ko active Application Filing
- 2021-12-10 JP JP2023520187A patent/JP7461569B2/ja active Active
- 2021-12-10 EP EP21911348.7A patent/EP4266043A1/en active Pending
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008224494A (ja) | 2007-03-14 | 2008-09-25 | Sumitomo Metal Ind Ltd | 渦流検査方法、該渦流検査方法で検査した鋼管、及び該渦流検査方法を実施するための渦流検査装置 |
JP2009014678A (ja) | 2007-07-09 | 2009-01-22 | Toshiba Corp | アレイ型磁気探傷装置の校正装置、及びその校正方法 |
JP2019042807A (ja) | 2017-09-04 | 2019-03-22 | Jfeスチール株式会社 | 鋼板の製造方法及び磁性材用表層硬さ計測装置 |
JP2020186921A (ja) | 2019-05-10 | 2020-11-19 | 日本製鉄株式会社 | 鋼材の表層の検査方法及び鋼材表層検査システム |
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US20240027399A1 (en) | 2024-01-25 |
CN116348760A (zh) | 2023-06-27 |
JP2023544371A (ja) | 2023-10-23 |
WO2022139281A1 (ko) | 2022-06-30 |
EP4266043A1 (en) | 2023-10-25 |
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