JPS51129285A - Measurement method and apparatus for grain boundary embrittlement of s teel material - Google Patents

Measurement method and apparatus for grain boundary embrittlement of s teel material

Info

Publication number
JPS51129285A
JPS51129285A JP5371775A JP5371775A JPS51129285A JP S51129285 A JPS51129285 A JP S51129285A JP 5371775 A JP5371775 A JP 5371775A JP 5371775 A JP5371775 A JP 5371775A JP S51129285 A JPS51129285 A JP S51129285A
Authority
JP
Japan
Prior art keywords
grain boundary
teel
measurement method
boundary embrittlement
embrittlement
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.)
Pending
Application number
JP5371775A
Other languages
Japanese (ja)
Inventor
Norimasa Uehara
Toshio Hirokawa
Takeo Mizuno
Shin Nakanishi
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.)
Nippon Steel Corp
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP5371775A priority Critical patent/JPS51129285A/en
Publication of JPS51129285A publication Critical patent/JPS51129285A/en
Pending legal-status Critical Current

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Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

PURPOSE: To estimate the degree of grain boundary embrittlement of steel material by applying vibration in the constant frequency, which is increasing continuously within the range 0.5W50 KHz, to a test piece in a fixed temperature.
COPYRIGHT: (C)1976,JPO&Japio
JP5371775A 1975-05-02 1975-05-02 Measurement method and apparatus for grain boundary embrittlement of s teel material Pending JPS51129285A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5371775A JPS51129285A (en) 1975-05-02 1975-05-02 Measurement method and apparatus for grain boundary embrittlement of s teel material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5371775A JPS51129285A (en) 1975-05-02 1975-05-02 Measurement method and apparatus for grain boundary embrittlement of s teel material

Publications (1)

Publication Number Publication Date
JPS51129285A true JPS51129285A (en) 1976-11-10

Family

ID=12950570

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5371775A Pending JPS51129285A (en) 1975-05-02 1975-05-02 Measurement method and apparatus for grain boundary embrittlement of s teel material

Country Status (1)

Country Link
JP (1) JPS51129285A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58211627A (en) * 1982-06-03 1983-12-09 Mitsubishi Heavy Ind Ltd Fatigue crack inserting method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58211627A (en) * 1982-06-03 1983-12-09 Mitsubishi Heavy Ind Ltd Fatigue crack inserting method
JPS6239932B2 (en) * 1982-06-03 1987-08-26 Mitsubishi Heavy Ind Ltd

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