BR112017025842A2 - aparelho e método de avaliação de características de superfície - Google Patents

aparelho e método de avaliação de características de superfície

Info

Publication number
BR112017025842A2
BR112017025842A2 BR112017025842-0A BR112017025842A BR112017025842A2 BR 112017025842 A2 BR112017025842 A2 BR 112017025842A2 BR 112017025842 A BR112017025842 A BR 112017025842A BR 112017025842 A2 BR112017025842 A2 BR 112017025842A2
Authority
BR
Brazil
Prior art keywords
surface property
property evaluation
coil
steel material
evaluation method
Prior art date
Application number
BR112017025842-0A
Other languages
English (en)
Japanese (ja)
Other versions
BR112017025842B1 (pt
Inventor
Makino Yoshiyasu
Original Assignee
Sintokogio, Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sintokogio, Ltd. filed Critical Sintokogio, Ltd.
Publication of BR112017025842A2 publication Critical patent/BR112017025842A2/pt
Publication of BR112017025842B1 publication Critical patent/BR112017025842B1/pt

Links

Classifications

    • 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
    • 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
    • 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
    • C21D11/00—Process control or regulation for heat treatments
    • 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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • 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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
    • G01N27/025—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil a current being generated within the material by induction
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

são providos um aparelho de avaliação de característica de superfície e um método de avaliação de característica de superfície que avaliam a tensão residual de um material de aço submetido a um processo de modificação de superfície, levando-se em consideração a direção de profundidade. este aparelho de avaliação de característica de superfície está provido com um oscilador, um detector e um instrumento de medição. o material de aço é fixado em contato com ou em proximidade a uma bobina incluída no detector. uma corrente alternada é aplicada do oscilador para a bobina, e uma computação é realizada com base em um sinal representando uma característica elétrica através da bobina. esta operação é realizada repetitivamente enquanto a frequência da corrente alternada varia continuamente para avaliar a tensão residual do material de aço. a bobina possui uma frequência auto-ressonante superior às frequências operacionais.
BR112017025842-0A 2015-06-25 2016-06-07 aparelho e método de avaliação de características de superfície BR112017025842B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2015127821 2015-06-25
JP2015-127821 2015-06-25
JP2015219021 2015-11-09
JP2015-219021 2015-11-09
PCT/JP2016/066921 WO2016208382A1 (ja) 2015-06-25 2016-06-07 鋼材の表面特性評価装置及び表面特性評価方法

Publications (2)

Publication Number Publication Date
BR112017025842A2 true BR112017025842A2 (pt) 2018-08-14
BR112017025842B1 BR112017025842B1 (pt) 2021-06-08

Family

ID=57585699

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017025842-0A BR112017025842B1 (pt) 2015-06-25 2016-06-07 aparelho e método de avaliação de características de superfície

Country Status (9)

Country Link
US (1) US10768144B2 (pt)
EP (1) EP3299805A4 (pt)
JP (1) JP6647683B2 (pt)
KR (1) KR102504193B1 (pt)
CN (1) CN107709982B (pt)
BR (1) BR112017025842B1 (pt)
MX (1) MX2017016334A (pt)
TW (1) TWI691710B (pt)
WO (1) WO2016208382A1 (pt)

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WO2019012991A1 (ja) 2017-07-10 2019-01-17 新東工業株式会社 表面特性評価方法、表面特性評価装置及び表面特性評価システム
JP7180461B2 (ja) * 2019-03-08 2022-11-30 新東工業株式会社 鋼材の非破壊検査方法
KR102277276B1 (ko) * 2019-11-18 2021-07-15 (주)레이나 금속 물성 측정 시스템 및 그 측정 방법
JP7286092B2 (ja) * 2019-12-24 2023-06-05 日立建機株式会社 歯車の再利用可否判定方法および歯車の再利用可否判定システム
CN112630294B (zh) * 2020-12-07 2022-11-29 清华大学 基于Chirp信号的旋转层析缺陷检测方法和装置
CN112881207B (zh) * 2021-01-12 2022-07-29 钢铁研究总院 一种渗碳钢超高周疲劳性能的评价方法

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Also Published As

Publication number Publication date
CN107709982B (zh) 2021-10-22
TWI691710B (zh) 2020-04-21
CN107709982A (zh) 2018-02-16
BR112017025842B1 (pt) 2021-06-08
EP3299805A1 (en) 2018-03-28
WO2016208382A1 (ja) 2016-12-29
JPWO2016208382A1 (ja) 2018-04-05
JP6647683B2 (ja) 2020-02-14
TW201706581A (zh) 2017-02-16
KR102504193B1 (ko) 2023-02-28
KR20180018814A (ko) 2018-02-21
EP3299805A4 (en) 2018-12-26
US10768144B2 (en) 2020-09-08
MX2017016334A (es) 2018-03-02
US20180188209A1 (en) 2018-07-05

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 07/06/2016, OBSERVADAS AS CONDICOES LEGAIS.