JPS5797443A - Cementation measuring method by ultrasonic wave - Google Patents

Cementation measuring method by ultrasonic wave

Info

Publication number
JPS5797443A
JPS5797443A JP55174195A JP17419580A JPS5797443A JP S5797443 A JPS5797443 A JP S5797443A JP 55174195 A JP55174195 A JP 55174195A JP 17419580 A JP17419580 A JP 17419580A JP S5797443 A JPS5797443 A JP S5797443A
Authority
JP
Japan
Prior art keywords
ultrasonic wave
cementation
tpb
test
liquid
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
JP55174195A
Other languages
Japanese (ja)
Inventor
Hideo Marumoto
Tsunaichi Sato
Takeharu Watanabe
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 KIHATSUYU KK
JGC Corp
Original Assignee
NIPPON KIHATSUYU KK
JGC Corp
Japan Gasoline Co 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 NIPPON KIHATSUYU KK, JGC Corp, Japan Gasoline Co Ltd filed Critical NIPPON KIHATSUYU KK
Priority to JP55174195A priority Critical patent/JPS5797443A/en
Publication of JPS5797443A publication Critical patent/JPS5797443A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

PURPOSE:To measure the depth of cementation with high precision and also measure a cemented layer locally, by permitting an ultrasonic wave to propagate through a sample material with the cemented layer and by comparing the height of a reflected echo with that of a new material. CONSTITUTION:A frame body is filled with a liquid Q such as oil and mounts an ultrasonic probe PR on one end to bring the liquid Q into contact with its probe surface PRS. Then, an ultrasonic wave is made to propagate at right angles to the external surface of a test-piece TP through the liquid Q. The reflected-echo heights of test-pieces TPa and TPb of a cemented layer 0mm. (new material) and a sample material are measured. In this case, the height ratio of the bottom- surface echoes WBa1 and WBb1 of the test-pieces TPa and TPb is found to find the depth of cementation of the sample material TPb from a calibration curve according to the frequency of the used ultrasonic wave.
JP55174195A 1980-12-10 1980-12-10 Cementation measuring method by ultrasonic wave Pending JPS5797443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55174195A JPS5797443A (en) 1980-12-10 1980-12-10 Cementation measuring method by ultrasonic wave

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55174195A JPS5797443A (en) 1980-12-10 1980-12-10 Cementation measuring method by ultrasonic wave

Publications (1)

Publication Number Publication Date
JPS5797443A true JPS5797443A (en) 1982-06-17

Family

ID=15974379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55174195A Pending JPS5797443A (en) 1980-12-10 1980-12-10 Cementation measuring method by ultrasonic wave

Country Status (1)

Country Link
JP (1) JPS5797443A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53126993A (en) * 1977-04-12 1978-11-06 Nippon Steel Corp Simultaneous assessment method of ratios of casting structure and effective crystal grains by ultrasonic waves

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53126993A (en) * 1977-04-12 1978-11-06 Nippon Steel Corp Simultaneous assessment method of ratios of casting structure and effective crystal grains by ultrasonic waves

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