JPH0334562B2 - - Google Patents

Info

Publication number
JPH0334562B2
JPH0334562B2 JP17584283A JP17584283A JPH0334562B2 JP H0334562 B2 JPH0334562 B2 JP H0334562B2 JP 17584283 A JP17584283 A JP 17584283A JP 17584283 A JP17584283 A JP 17584283A JP H0334562 B2 JPH0334562 B2 JP H0334562B2
Authority
JP
Japan
Prior art keywords
coil
steel pipe
current
coils
pulse current
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
Application number
JP17584283A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6067803A (ja
Inventor
Kazuo Fujisawa
Hisao Yamaguchi
Takashi Kadowaki
Susumu Ito
Kazuya Sato
Soji Sasaki
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.)
Hitachi Ltd
Nippon Steel Corp
Original Assignee
Hitachi Ltd
Sumitomo Metal Industries 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 Hitachi Ltd, Sumitomo Metal Industries Ltd filed Critical Hitachi Ltd
Priority to JP17584283A priority Critical patent/JPS6067803A/ja
Publication of JPS6067803A publication Critical patent/JPS6067803A/ja
Publication of JPH0334562B2 publication Critical patent/JPH0334562B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
JP17584283A 1983-09-22 1983-09-22 管材の計尺装置 Granted JPS6067803A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17584283A JPS6067803A (ja) 1983-09-22 1983-09-22 管材の計尺装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17584283A JPS6067803A (ja) 1983-09-22 1983-09-22 管材の計尺装置

Publications (2)

Publication Number Publication Date
JPS6067803A JPS6067803A (ja) 1985-04-18
JPH0334562B2 true JPH0334562B2 (en]) 1991-05-23

Family

ID=16003167

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17584283A Granted JPS6067803A (ja) 1983-09-22 1983-09-22 管材の計尺装置

Country Status (1)

Country Link
JP (1) JPS6067803A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007093518A (ja) * 2005-09-30 2007-04-12 Marktec Corp 肉厚測定装置
ITUB20153029A1 (it) * 2015-08-10 2017-02-10 Danieli Automation Spa Metodo per la misura a caldo, durante la laminazione, di una dimensione di profili metallici
CN108489374B (zh) * 2018-05-10 2020-11-20 天津市特种设备监督检验技术研究院(天津市特种设备事故应急调查处理中心) 一种双模式铁磁包覆层管道壁厚检测方法
CN112414337A (zh) * 2020-12-01 2021-02-26 湖北工业大学 一种外穿过式环形阵列电磁超声测厚探头

Also Published As

Publication number Publication date
JPS6067803A (ja) 1985-04-18

Similar Documents

Publication Publication Date Title
US6920792B2 (en) Transducer guided wave electromagnetic acoustic
RU2638908C2 (ru) Акустический расходомер и способ определения потока в объекте
CN101813670B (zh) 一种管道轴向超声导波换能探头
CN115389621A (zh) 管内非接触电磁声式扭转模态导波换能系统及测试方法
JPH11133003A (ja) Ppm電磁超音波トランスジューサとppm電磁超音波トランスジューサを用いた探傷装置及び探傷方法
JPH0334562B2 (en])
CN103217481A (zh) 一种应用磁致伸缩的磁声成像探头
JP3299505B2 (ja) 磁歪効果を用いる超音波探傷方法
US3075145A (en) Magnetic detection of flaws using mutually coupled coils
JP2012127752A (ja) 電磁流速計および電磁流速計部品ならびに流速測定方法
JPS58179305A (ja) 電磁超音波計測装置
JPH03167418A (ja) クラッド厚さ測定装置
JPS6345555A (ja) 鋼管の孔食探査方法
JP2001033430A (ja) 渦流探傷装置
JPH0429054A (ja) 金属管の渦流探傷装置
JPH039013Y2 (en])
JPH08211085A (ja) 流速測定装置
SU974246A1 (ru) Способ контрол ферромагнитных материалов
JPS5892825A (ja) 超音波レベル計
JPS5882157A (ja) 金属材溶接部検出装置
JPH0563722B2 (en])
JPS6053806A (ja) 厚さ測定方法
SU896569A1 (ru) Способ неразрушающего контрол механических свойств ферромагнитных материалов
JPS5892821A (ja) 超音波流量計
SU1377716A1 (ru) Электромагнитно-акустический дефектоскоп