JP4334215B2 - 電磁超音波計測方法および装置 - Google Patents

電磁超音波計測方法および装置 Download PDF

Info

Publication number
JP4334215B2
JP4334215B2 JP2002378310A JP2002378310A JP4334215B2 JP 4334215 B2 JP4334215 B2 JP 4334215B2 JP 2002378310 A JP2002378310 A JP 2002378310A JP 2002378310 A JP2002378310 A JP 2002378310A JP 4334215 B2 JP4334215 B2 JP 4334215B2
Authority
JP
Japan
Prior art keywords
signal
sensor coil
subject
transmission
chirp
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2002378310A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003202218A (ja
JP2003202218A5 (zh
Inventor
幸理 飯塚
達也 橋本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
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 JFE Steel Corp filed Critical JFE Steel Corp
Priority to JP2002378310A priority Critical patent/JP4334215B2/ja
Publication of JP2003202218A publication Critical patent/JP2003202218A/ja
Publication of JP2003202218A5 publication Critical patent/JP2003202218A5/ja
Application granted granted Critical
Publication of JP4334215B2 publication Critical patent/JP4334215B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
JP2002378310A 2002-12-26 2002-12-26 電磁超音波計測方法および装置 Expired - Fee Related JP4334215B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002378310A JP4334215B2 (ja) 2002-12-26 2002-12-26 電磁超音波計測方法および装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002378310A JP4334215B2 (ja) 2002-12-26 2002-12-26 電磁超音波計測方法および装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP31185997A Division JP3575252B2 (ja) 1997-11-13 1997-11-13 電磁超音波計測方法および装置

Publications (3)

Publication Number Publication Date
JP2003202218A JP2003202218A (ja) 2003-07-18
JP2003202218A5 JP2003202218A5 (zh) 2005-06-23
JP4334215B2 true JP4334215B2 (ja) 2009-09-30

Family

ID=27656022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002378310A Expired - Fee Related JP4334215B2 (ja) 2002-12-26 2002-12-26 電磁超音波計測方法および装置

Country Status (1)

Country Link
JP (1) JP4334215B2 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101580083B1 (ko) * 2013-01-22 2015-12-23 신닛테츠스미킨 카부시키카이샤 결함 위치 보정 방법
US10605789B2 (en) * 2017-02-23 2020-03-31 Southern Research Institute Ultrasonic inspection system employing spectral and time domain processing of ultrasonic signal
CN113311073B (zh) * 2021-04-21 2022-12-02 武汉科技大学 一种电磁超声声时测量方法及系统

Also Published As

Publication number Publication date
JP2003202218A (ja) 2003-07-18

Similar Documents

Publication Publication Date Title
Hong et al. The matching pursuit approach based on the modulated Gaussian pulse for efficient guided-wave damage inspection
Hutchins et al. Coded waveforms for optimised air-coupled ultrasonic nondestructive evaluation
US11391863B2 (en) Method of free-field broadband calibration of hydrophone sensitivity based on pink noise
Kiefer et al. Simultaneous ultrasonic measurement of thickness and speed of sound in elastic plates using coded excitation signals
JPS5847027B2 (ja) 超音波パルス反響信号を判定する方法及び装置
CN108463721B (zh) 用于在长距离超声波检查中改善发送/接收指向性的装置和方法
CN104897779B (zh) 利用线性调频信号测量超声波传播时间的方法
US11976961B2 (en) Transducer transfer impedance calibration device based on spatial frequency domai smoothing technology
Li et al. Application of P4 Polyphase codes pulse compression method to air-coupled ultrasonic testing systems
Sheng et al. Application of pulse compression technology in electromagnetic ultrasonic thickness measurement
JP3302946B2 (ja) 超音波送受信方法および超音波診断装置
JP3575252B2 (ja) 電磁超音波計測方法および装置
JP4334215B2 (ja) 電磁超音波計測方法および装置
JPH0781995B2 (ja) 超音波探触子および超音波探傷装置
JP2010071920A (ja) 超音波探傷法、該方法に用いる超音波探傷プログラム、及び該プログラムを記録した記録媒体
JP4997636B2 (ja) 構造物の非破壊診断方法
JP3608423B2 (ja) 電磁超音波計測方法および装置
JP4534309B2 (ja) 金属薄板の厚み共振スペクトル測定方法及び金属薄板の電磁超音波計測方法
JP2011047763A (ja) 超音波診断装置
Yücel et al. Pulse-compression based iterative time-of-flight extraction of dispersed ultrasonic guided waves
Kang et al. Low-power EMAT measurements for wall thickness monitoring
KR100671418B1 (ko) 전자 유도 초음파를 이용한 금속판 두께 측정 장치
Moreau et al. Efficient imaging techniques using an ultrasonic array
RU2444009C1 (ru) Способ ультразвукового контроля
JP3022108B2 (ja) 超音波送受信装置

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040928

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040928

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20060707

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060725

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20061212

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090520

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090623

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120703

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120703

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130703

Year of fee payment: 4

LAPS Cancellation because of no payment of annual fees