JPS51140679A - Crack detection device for rotary bending tester - Google Patents

Crack detection device for rotary bending tester

Info

Publication number
JPS51140679A
JPS51140679A JP6344575A JP6344575A JPS51140679A JP S51140679 A JPS51140679 A JP S51140679A JP 6344575 A JP6344575 A JP 6344575A JP 6344575 A JP6344575 A JP 6344575A JP S51140679 A JPS51140679 A JP S51140679A
Authority
JP
Japan
Prior art keywords
detection device
crack detection
bending tester
rotary bending
testpiece
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
JP6344575A
Other languages
Japanese (ja)
Other versions
JPS5444470B2 (en
Inventor
Toshihiko Fukuhara
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP6344575A priority Critical patent/JPS51140679A/en
Publication of JPS51140679A publication Critical patent/JPS51140679A/en
Publication of JPS5444470B2 publication Critical patent/JPS5444470B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014—Type of force applied
    • G01N2203/0026—Combination of several types of applied forces
    • G01N2203/0028—Rotation and bending

Landscapes

  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

PURPOSE: To detect easily a crack formed on a testpiece using optical for photoprojection and photo-reception by causing the testpiece to rotate while applying a bending load thereto.
COPYRIGHT: (C)1976,JPO&Japio
JP6344575A 1975-05-29 1975-05-29 Crack detection device for rotary bending tester Granted JPS51140679A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6344575A JPS51140679A (en) 1975-05-29 1975-05-29 Crack detection device for rotary bending tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6344575A JPS51140679A (en) 1975-05-29 1975-05-29 Crack detection device for rotary bending tester

Publications (2)

Publication Number Publication Date
JPS51140679A true JPS51140679A (en) 1976-12-03
JPS5444470B2 JPS5444470B2 (en) 1979-12-26

Family

ID=13229446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6344575A Granted JPS51140679A (en) 1975-05-29 1975-05-29 Crack detection device for rotary bending tester

Country Status (1)

Country Link
JP (1) JPS51140679A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016095300A (en) * 2014-11-05 2016-05-26 株式会社山本金属製作所 Fatigue testing device
CN109612864A (en) * 2018-12-13 2019-04-12 同济大学 A kind of sliding friction fatigue experimental device for rotary bending fatigue machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016095300A (en) * 2014-11-05 2016-05-26 株式会社山本金属製作所 Fatigue testing device
CN109612864A (en) * 2018-12-13 2019-04-12 同济大学 A kind of sliding friction fatigue experimental device for rotary bending fatigue machine

Also Published As

Publication number Publication date
JPS5444470B2 (en) 1979-12-26

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