NL7908205A - Werkwijze en inrichting voor ultrasoon niet-destructief onderzoek. - Google Patents

Werkwijze en inrichting voor ultrasoon niet-destructief onderzoek. Download PDF

Info

Publication number: NL7908205A
Authority: NL; Netherlands
Prior art keywords: coil; voltage; coupling factor; measure; transmitter
Prior art date: 1979-11-08

Application number

NL7908205A

Other languages

English (en)

Dutch (nl)

Original Assignee

Estel Hoogovens Bv

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.)

1979-11-08

Filing date

1979-11-08

Publication date

1981-06-01

1979-11-08 Application filed by Estel Hoogovens Bv filed Critical Estel Hoogovens Bv

1979-11-08 Priority to NL7908205A priority Critical patent/NL7908205A/nl

1980-10-30 Priority to AT80201028T priority patent/ATE9405T1/de

1980-10-30 Priority to DE8080201028T priority patent/DE3069178D1/de

1980-10-30 Priority to EP80201028A priority patent/EP0028855B1/de

1981-06-01 Publication of NL7908205A publication Critical patent/NL7908205A/nl

Links

238000000034 method Methods 0.000 title claims description 18
230000008878 coupling Effects 0.000 claims abstract description 20
238000010168 coupling process Methods 0.000 claims abstract description 20
238000005859 coupling reaction Methods 0.000 claims abstract description 20
230000005540 biological transmission Effects 0.000 claims abstract description 10
230000003321 amplification Effects 0.000 claims abstract description 3
238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 3
229910052751 metal Inorganic materials 0.000 claims description 5
239000002184 metal Substances 0.000 claims description 5
230000001066 destructive effect Effects 0.000 claims description 4
230000002596 correlated effect Effects 0.000 claims description 2
238000001514 detection method Methods 0.000 claims description 2
238000005259 measurement Methods 0.000 claims description 2
230000010363 phase shift Effects 0.000 claims description 2
238000012360 testing method Methods 0.000 abstract 1
238000002592 echocardiography Methods 0.000 description 4
239000000463 material Substances 0.000 description 2
238000012545 processing Methods 0.000 description 2
239000000523 sample Substances 0.000 description 2
229910000831 Steel Inorganic materials 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
230000001174 ascending effect Effects 0.000 description 1
238000001816 cooling Methods 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000005520 electrodynamics Effects 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
230000006870 function Effects 0.000 description 1
238000009659 non-destructive testing Methods 0.000 description 1
238000011160 research Methods 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
239000010959 steel Substances 0.000 description 1
230000001360 synchronised effect Effects 0.000 description 1
230000000007 visual effect Effects 0.000 description 1

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
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
- G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control

Landscapes

Physics & Mathematics (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)
Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

NL7908205A 1979-11-08 1979-11-08 Werkwijze en inrichting voor ultrasoon niet-destructief onderzoek. NL7908205A (nl)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
NL7908205A NL7908205A (nl)	1979-11-08	1979-11-08	Werkwijze en inrichting voor ultrasoon niet-destructief onderzoek.
AT80201028T ATE9405T1 (de)	1979-11-08	1980-10-30	Verfahren und apparat zum ultraschallzerstoerungsfreien pruefen eines metallischen werkstueckes.
DE8080201028T DE3069178D1 (en)	1979-11-08	1980-10-30	Method and apparatus for ultrasonic non-destructive testing of a metal workpiece
EP80201028A EP0028855B1 (de)	1979-11-08	1980-10-30	Verfahren und Apparat zum ultraschallzerstörungsfreien Prüfen eines metallischen Werkstückes

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL7908205		1979-11-08
NL7908205A NL7908205A (nl)	1979-11-08	1979-11-08	Werkwijze en inrichting voor ultrasoon niet-destructief onderzoek.

Publications (1)

Publication Number	Publication Date
NL7908205A true NL7908205A (nl)	1981-06-01

Family

ID=19834139

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7908205A NL7908205A (nl)	1979-11-08	1979-11-08	Werkwijze en inrichting voor ultrasoon niet-destructief onderzoek.

Country Status (4)

Country	Link
EP (1)	EP0028855B1 (de)
AT (1)	ATE9405T1 (de)
DE (1)	DE3069178D1 (de)
NL (1)	NL7908205A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4449408A (en) *	1982-04-22	1984-05-22	Magnetic Analysis Corporation	EMAT Test apparatus having retractable probe
DE4109029C1 (en) *	1991-03-15	1992-08-20	Mannesmann Ag, 4000 Duesseldorf, De	Operating ultrasonic workpiece tester - measuring time period of receiver oscillation effected by transmitted HF pulse
GB2262604A (en) *	1991-12-16	1993-06-23	Shifeng Liu	Acousto-ultrasonic testing instrument with coupling condition measurement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB951277A (en) *	1961-03-09	1964-03-04	Jaroslav Obraz	Improvements in or relating to ultrasonic testing arrangements
US3295362A (en) *	1963-07-15	1967-01-03	American Mach & Foundry	Method of and apparatus for ultrasonic inspection utilizing correlation techniques
DE1573627C3 (de) *	1966-08-06	1975-09-04	Krautkraemer Gmbh	Ultraschall- Impuls- Echo- oder Durchstrahlungsverfahren für die zerstörungsfreie Werkstoffprüfung von elektrisch leitenden Materialien, Vorrichtung zur Durchführung des Verfahrens und Verwendungen des Verfahrens zur Ankopplungskontrolle und zur Dickenmessung des Prüflings
GB1425201A (en) *	1973-06-19	1976-02-18	British Steel Corp	Ultrasonic testing of articles
US3969926A (en) *	1975-03-27	1976-07-20	Krautkramer-Branson, Incorporated	Alignment of ultrasonic transducer probe in pulse-echo testing
JPS55129749A (en) *	1979-03-28	1980-10-07	Sumitomo Metal Ind Ltd	Sensitivity correction method for electromagnetic ultrasonic wave probe

1979
- 1979-11-08 NL NL7908205A patent/NL7908205A/nl not_active Application Discontinuation
1980
- 1980-10-30 AT AT80201028T patent/ATE9405T1/de not_active IP Right Cessation
- 1980-10-30 DE DE8080201028T patent/DE3069178D1/de not_active Expired
- 1980-10-30 EP EP80201028A patent/EP0028855B1/de not_active Expired

Also Published As

Publication number	Publication date
DE3069178D1 (en)	1984-10-18
EP0028855B1 (de)	1984-09-12
ATE9405T1 (de)	1984-09-15
EP0028855A1 (de)	1981-05-20

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Legal Events

Date	Code	Title	Description
1981-06-01	A1B	A search report has been drawn up
1985-01-01	A85	Still pending on 85-01-01
1986-12-01	BC	A request for examination has been filed
1987-01-16	DNT	Communications of changes of names of applicants whose applications have been laid open to public inspection	Free format text: HOOGOVENS GROEP B.V.
1993-03-01	BI	The patent application has been withdrawn