JPS5260176A - Measurement of stress of work and detection of its cracking or deforma tion - Google Patents

Measurement of stress of work and detection of its cracking or deforma tion

Info

Publication number
JPS5260176A
JPS5260176A JP50135058A JP13505875A JPS5260176A JP S5260176 A JPS5260176 A JP S5260176A JP 50135058 A JP50135058 A JP 50135058A JP 13505875 A JP13505875 A JP 13505875A JP S5260176 A JPS5260176 A JP S5260176A
Authority
JP
Japan
Prior art keywords
work
cracking
measurement
stress
detection
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
JP50135058A
Other languages
Japanese (ja)
Inventor
Motohiro Sato
Susumu Hioki
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
Original Assignee
Hitachi 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 filed Critical Hitachi Ltd
Priority to JP50135058A priority Critical patent/JPS5260176A/en
Publication of JPS5260176A publication Critical patent/JPS5260176A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

PURPOSE: Measurement of corner parts or intricate geometry portions which have hitherto been impossible or difficult to measure is made possible, and the cracking or deformation of the work in an initial state is accurately measured irrespective of the material quality and loading conditions of the work.
COPYRIGHT: (C)1977,JPO&Japio
JP50135058A 1975-11-12 1975-11-12 Measurement of stress of work and detection of its cracking or deforma tion Pending JPS5260176A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50135058A JPS5260176A (en) 1975-11-12 1975-11-12 Measurement of stress of work and detection of its cracking or deforma tion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50135058A JPS5260176A (en) 1975-11-12 1975-11-12 Measurement of stress of work and detection of its cracking or deforma tion

Publications (1)

Publication Number Publication Date
JPS5260176A true JPS5260176A (en) 1977-05-18

Family

ID=15142904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50135058A Pending JPS5260176A (en) 1975-11-12 1975-11-12 Measurement of stress of work and detection of its cracking or deforma tion

Country Status (1)

Country Link
JP (1) JPS5260176A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09196799A (en) * 1996-01-23 1997-07-31 Sanyu Nikki Kk Method and apparatus for detection of leak in fluid housing object

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09196799A (en) * 1996-01-23 1997-07-31 Sanyu Nikki Kk Method and apparatus for detection of leak in fluid housing object

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