DK27990A - DEVICE FOR DAMAGE-FREE MATERIAL TESTING - Google Patents

DEVICE FOR DAMAGE-FREE MATERIAL TESTING Download PDF

Info

Publication number: DK27990A
Authority: DK; Denmark
Prior art keywords: damage; material testing; free material; free; testing
Prior art date: 1989-02-08

Application number

DK027990A

Other languages

Danish (da)

Other versions

DK27990D0 (en

Inventor

Arthur Scholz

Robert Schmidt

Original Assignee

Asea Brown Boveri

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.)

1989-02-08

Filing date

1990-02-02

Publication date

1990-08-09

1990-02-02 Application filed by Asea Brown Boveri filed Critical Asea Brown Boveri

1990-02-02 Publication of DK27990D0 publication Critical patent/DK27990D0/en

1990-08-09 Publication of DK27990A publication Critical patent/DK27990A/en

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/904—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents with two or more sensors

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Physics & Mathematics (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth 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 Magnetic Means (AREA)

DK027990A 1989-02-08 1990-02-02 DEVICE FOR DAMAGE-FREE MATERIAL TESTING DK27990A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH422/89A CH677152A5 (en)	1989-02-08	1989-02-08

Publications (2)

Publication Number	Publication Date
DK27990D0 DK27990D0 (en)	1990-02-02
DK27990A true DK27990A (en)	1990-08-09

Family

ID=4186666

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK027990A DK27990A (en)	1989-02-08	1990-02-02	DEVICE FOR DAMAGE-FREE MATERIAL TESTING

Country Status (6)

Country	Link
EP (1)	EP0381848B1 (en)
CH (1)	CH677152A5 (en)
DE (1)	DE58909813D1 (en)
DK (1)	DK27990A (en)
RU (1)	RU2072519C1 (en)
SA (1)	SA90100180B1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5389876A (en) *	1991-05-06	1995-02-14	General Electric Company	Flexible eddy current surface measurement array for detecting near surface flaws in a conductive part
EP0518635B1 (en) *	1991-06-11	2003-05-21	Newt Holdings Limited	Probe
DE69324242T2 (en) *	1992-01-31	1999-08-19	Northrop Grumman Corp.	Vortex current probe system in an array
US6914427B2 (en)	2003-03-14	2005-07-05	The Boeing Company	Eddy current probe having sensing elements defined by first and second elongated coils and an associated inspection method
EP1610122A1 (en)	2004-06-01	2005-12-28	Siemens Aktiengesellschaft	Method and apparatus for determination of defects in a turbine blade by means of an ultrasonic phased array transducer
FR2901610B1 (en) *	2006-05-24	2009-01-16	Airbus France Sas	DEVICE FOR NON-DESTRUCTIVE CONTROL OF STRUTURE BY VIBRATION ANALYSIS
US8378676B2 (en) *	2009-06-05	2013-02-19	Nuovo Pignone S.P.A.	System and method for detecting corrosion pitting in gas turbines
RU2478946C1 (en) *	2011-11-15	2013-04-10	Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Уфимский государственный авиационный технический университет"	Ultrasonic testing method of weld joints of blades with disc

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2540630B1 (en) *	1983-02-08	1985-08-09	Commissariat Energie Atomique	EDGE CURRENT MULTI-COIL PROBE PROVIDED WITH A COIL BALANCING DEVICE
US4593245A (en) *	1983-12-12	1986-06-03	General Electric Company	Eddy current method for detecting a flaw in semi-conductive material
GB8421847D0 (en) *	1984-08-29	1984-10-03	Thorburn Technics Int	Electromagnetic inspection
EP0228177A3 (en) *	1985-11-19	1988-11-02	Electric Power Research Institute, Inc	Flexible eddy-current coil and coil array for nondestructive testing

1989
- 1989-02-08 CH CH422/89A patent/CH677152A5/de not_active IP Right Cessation
- 1989-12-21 DE DE58909813T patent/DE58909813D1/en not_active Expired - Lifetime
- 1989-12-21 EP EP89123630A patent/EP0381848B1/en not_active Expired - Lifetime
1990
- 1990-01-31 RU SU4742954/28A patent/RU2072519C1/en active
- 1990-02-02 DK DK027990A patent/DK27990A/en not_active Application Discontinuation
- 1990-04-18 SA SA90100180A patent/SA90100180B1/en unknown

Also Published As

Publication number	Publication date
EP0381848A3 (en)	1991-02-27
EP0381848B1 (en)	1997-08-13
DE58909813D1 (en)	1997-09-18
CH677152A5 (en)	1991-04-15
SA90100180B1 (en)	2004-01-26
RU2072519C1 (en)	1997-01-27
EP0381848A2 (en)	1990-08-16
DK27990D0 (en)	1990-02-02

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Legal Events

Date	Code	Title	Description
1995-09-25	AHB	Application shelved due to non-payment
1996-10-14	AHB	Application shelved due to non-payment