JPS594464U - Hot eddy current flaw detection equipment - Google Patents

Hot eddy current flaw detection equipment

Info

Publication number
JPS594464U
JPS594464U JP9885382U JP9885382U JPS594464U JP S594464 U JPS594464 U JP S594464U JP 9885382 U JP9885382 U JP 9885382U JP 9885382 U JP9885382 U JP 9885382U JP S594464 U JPS594464 U JP S594464U
Authority
JP
Japan
Prior art keywords
flaw detection
eddy current
current flaw
detection equipment
magnetic material
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.)
Granted
Application number
JP9885382U
Other languages
Japanese (ja)
Other versions
JPH0328373Y2 (en
Inventor
良明 松岡
典之 横田
中村　征機
Original Assignee
新日本製鐵株式会社
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 新日本製鐵株式会社 filed Critical 新日本製鐵株式会社
Priority to JP9885382U priority Critical patent/JPS594464U/en
Publication of JPS594464U publication Critical patent/JPS594464U/en
Application granted granted Critical
Publication of JPH0328373Y2 publication Critical patent/JPH0328373Y2/ja
Granted legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図ａ、　　ｂはキューリ一点近傍の温度範囲におけ
る渦流探傷の不安定を説明するための図で、第１図ａは
被検材の温度と探傷信号のＳ／Ｎ比との関係を示す図、
第１図すは各温度別の探傷信号の波形例を示す図、第２
図は従来の貫通コイル方式による渦流探傷時のコイル構
成を示す図、第３図は本考案の実施例装置を示す図、第
４図は本考案装置の場合の探傷信号の波形例を示す図で
ある。 １・・・検査用プローブ、２・・・磁気飽和コイル、３
・・・収納ケース、４・・・非磁性体の部材、５・・・
磁性体の部材、６・・・被検材。Figures 1a and b are diagrams to explain the instability of eddy current flaw detection in the temperature range near the Curie point, and Figure 1a shows the relationship between the temperature of the test material and the S/N ratio of the flaw detection signal. figure,
Figure 1 shows waveform examples of flaw detection signals for each temperature, Figure 2
The figure shows a coil configuration during eddy current flaw detection using a conventional through-coil method, Fig. 3 shows an embodiment of the device of the present invention, and Fig. 4 shows an example of the waveform of a flaw detection signal in the case of the device of the present invention. It is. 1... Inspection probe, 2... Magnetic saturation coil, 3
...Storage case, 4...Nonmagnetic member, 5...
Magnetic member, 6... material to be tested.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] プローブ方式による警棒状体の渦流探傷において、内部
を通過する被検材を磁気飽和させる磁気飽和コイルの収
納ケースの一方の側面の部材を磁性体とし、他の部材を
非磁性体として構成し、検査用プローブを前記収納ケー
スの磁性体の側と反対の側に近接して配置したことを特
徴とする熱間渦流探傷装置。In eddy current flaw detection of a baton-like body using the probe method, one side member of a storage case for a magnetic saturation coil that magnetically saturates the test material passing inside is made of a magnetic material, and the other members are made of a non-magnetic material. A hot eddy current flaw detection device characterized in that an inspection probe is disposed close to the side of the storage case opposite to the magnetic material side.
JP9885382U 1982-06-30 1982-06-30 Hot eddy current flaw detection equipment Granted JPS594464U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9885382U JPS594464U (en) 1982-06-30 1982-06-30 Hot eddy current flaw detection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9885382U JPS594464U (en) 1982-06-30 1982-06-30 Hot eddy current flaw detection equipment

Publications (2)

Publication Number Publication Date
JPS594464U true JPS594464U (en) 1984-01-12
JPH0328373Y2 JPH0328373Y2 (en) 1991-06-18

Family

ID=30234518

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9885382U Granted JPS594464U (en) 1982-06-30 1982-06-30 Hot eddy current flaw detection equipment

Country Status (1)

Country Link
JP (1) JPS594464U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5452289U (en) * 1977-09-20 1979-04-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5452289U (en) * 1977-09-20 1979-04-11

Also Published As

Publication number Publication date
JPH0328373Y2 (en) 1991-06-18

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