EP3265800A1 - Dispositif d'inspection d'organes de fixation par ultrasons, et procédé associé - Google Patents
Dispositif d'inspection d'organes de fixation par ultrasons, et procédé associéInfo
- Publication number
- EP3265800A1 EP3265800A1 EP16709319.4A EP16709319A EP3265800A1 EP 3265800 A1 EP3265800 A1 EP 3265800A1 EP 16709319 A EP16709319 A EP 16709319A EP 3265800 A1 EP3265800 A1 EP 3265800A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensor
- zones
- configuration
- probe
- head
- 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.)
- Withdrawn
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
- G01N29/043—Analysing solids in the interior, e.g. by shear waves
-
- 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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2437—Piezoelectric probes
-
- 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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/262—Arrangements for orientation or scanning by relative movement of the head and the sensor by electronic orientation or focusing, e.g. with phased arrays
-
- 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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/106—Number of transducers one or more transducer arrays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/269—Various geometry objects
- G01N2291/2691—Bolts, screws, heads
Definitions
- the present invention relates to a fastener inspection device comprising a fastener comprising a head, the device comprising a probe, the probe comprising at least one multi-element piezoelectric sensor.
- the invention also relates to a fastener inspection method, relating to the preceding device.
- the document describes an ultrasonic screw inspection apparatus.
- the apparatus comprises a probe and a fixture in the form of rails, which makes it possible to slide the probe along the diameter of the screw and which can be pivoted.
- An object of the invention is therefore to provide a device to better characterize the defects, and thus to obtain more reliable results.
- the subject of the invention is an inspection device as defined above, characterized in that the piezoelectric multi-element matrix sensor has an active portion of surface substantially equal to that of the head of the fixing member and cut off in one or more zones arranged in matrix form, each zone comprising one or more elements, the device comprising a controller programmed to implement one or more successive control configurations, the controller during each sequence activating one or more zones in as transmitters and activating one or more areas as receivers.
- the device has one or more of the following characteristics, taken in isolation or according to any combination (s) technically possible (s):
- the controller is programmed to implement several control configurations
- the controller is programmed to activate each zone as a transmitter and / or receiver or deactivate it;
- the fixing member comprises a fillet, as well as a barrel and / or a net, and the controller is programmed to implement sequences of control configurations making it possible to detect defects according to their position in the fillet, the barrel or the net, and according to their orientation;
- the device comprises a spacer intended to be mounted on the head of the fastener, the piezoelectric sensor being mounted on the spacer, the spacer being arranged so that a layer of water separates the piezoelectric sensor from the head the fastener;
- the device comprises a spacer intended to be mounted on the head of the fastener, the piezoelectric sensor being mounted on the spacer, the spacer being arranged so that the piezoelectric sensor and the head of the fastener are separated by a distance of between 10 and 30 mm;
- the fixing member comprises a stop bar, the probe comprising two piezoelectric multielement matrix sensors, one on each side of the stop bar;
- the active part of the or each sensor is cut into at least 3 zones;
- the active part of the or each sensor comprises at least 96 elements
- the fixing member comprises a fillet, as well as a shank and / or a net
- the controller implements successively at least five control configurations, at least one configuration of which makes it possible to detect defects within the fillet and at least one configuration makes it possible to detect defects within the barrel and / or the thread of the fastener;
- the controller is able to activate each zone as a single transmitter, as a receiver alone, as a transmitter and receiver or to disable it;
- the fixing member comprises a fillet, and a barrel and / or a net
- the controller is adapted to implement successively at least two control configurations, at least one configuration can detect defects within leave and at least one configuration makes it possible to detect defects within the barrel and / or the thread of the fastener;
- the fixing member comprises a fillet, and the controller is adapted to implement successively at least two control configurations, corresponding to two different orientations of defects in the fillet;
- the fixing member comprises a barrel and / or a net
- the controller is adapted to implement successively at least two control configurations, corresponding to two different orientations of defects in the barrel and / or the net.
- the invention further relates to a method of ultrasonic inspection of fasteners, such as screws, bolts or studs, comprising the following steps:
- the method has one or more of the following characteristics, taken in isolation or according to any combination (s) technically possible (s):
- the fixing member comprises a fillet, and a barrel and / or a net
- the inspection method comprises an implementation of the control configuration sequences making it possible to detect defects according to their position in the fillet, the cask or the net, and according to their orientation;
- the fixing member comprises a fillet, and a shank and / or a net
- the inspection method comprises a successive implementation by the controller of at least two control configurations, of which at least one configuration detects defects within a fillet and at least one configuration detects defects within a barrel and / or a net;
- the fixing member comprises a fillet
- the inspection method comprises a successive implementation by the controller of at least two control configurations, corresponding to two different orientations of defects in a fillet
- the fixing member comprises a drum and / or a net
- the inspection method comprises a successive implementation by the controller of at least two control configurations corresponding to two different orientations of defects in a drum and / or a net.
- FIGS. 1 and 2 are schematic sectional views of an embodiment of the device mounted on a screw head
- FIG. 3 is a view from above of the assembly represented in FIGS. 1 and 2
- FIG. 4 is a view from above of the assembly represented in FIG. 3, which shows a possibility of distribution of the zones
- FIG. 5 is an example of inspection configurations with the device of FIG. 4 according to one embodiment of the invention.
- Figures 1 and 2 show an inspection device 10 according to the invention, mounted on a screw 12.
- the screw 12 comprises a head 14, a fillet 16, a shank 18 and a net 20. It is elongated along a main axis X.
- the inspection device 10 comprises a probe 22, a spacer 24 and a controller 25.
- the probe 22 comprises at least one piezoelectric multielement matrix sensor
- the screw comprises a stop bar 28 and the probe 22 comprises two piezoelectric sensors 26, 27 on either side of the bar 28.
- the two piezoelectric sensors 26 , 27 are similar and do not overlap.
- the piezoelectric sensor comprises an active part 30, 31.
- the active part 30, 31 of the piezoelectric sensor 26, 27, or in the case of several piezoelectric sensors 26, 27, the set of active portions 30, 31 of the piezoelectric sensors 26, 27 has a surface substantially equal to that of the head 14 of the screw 12.
- the active portion 30, 31 has an area of between 130 mm 2 and 200 mm 2 .
- the active part 30, 31 of the piezoelectric sensor 26, 27 is cut into elements 32, these elements 32 being arranged in the form of a matrix.
- the elements 32 are rectangular, and more particularly square, and the active portion 30, 31 has a rectangular shape.
- Each active part 30, 31 contains for example at least 96 elements, and more particularly 128 or 256 elements 32.
- Each element 32 may be an ultrasound emitter and / or receiver or an inactive receiver.
- the wave emitted by the elements has for example a frequency of between 2 and 5 MHz.
- the spacer 24 is a rigid piece which connects the probe 22 and the head 14 of the screw 12 and holds them in a fixed gap.
- the spacer 24 comprises a zone 34 for fixing it to the head 14 of the screw 12.
- the spacer 24 makes it possible to hold the probe 22 at a given distance from the screw head 14, such that the probe 22 is perpendicular to the main axis X, that is to say that the probe 22 is parallel to the upper surface of the head 14 of the screw 12.
- the probe 22 is for example maintained at a distance of between 10 and 30 mm from the head 14 of the screw 12.
- the spacer 24 is arranged so that a layer of water 35 separates the probe 22 from the head 14 of the screw 12, when the screw 12 is immersed.
- the spacer 24 is for example designed in a material provided with holes allowing the passage of the liquid.
- the probe 22 is connected to the controller 25.
- the controller 25 can control each of the elements 32 independently.
- the controller 25 may activate an element 32 as a transmitter and / or enable it as a receiver and / or disable it.
- the controller 25 can also control the elements 32 in the form of zones 36 to 41, as represented in FIG. 4.
- the active part 30, 31 of the piezoelectric sensor 26, 27 is divided into zones 36 to 41 arranged in matrix form, each zone 36 to 41 comprising at least one element 32.
- the zones 36 to 41 may overlap partially.
- the active part 30, 31 of each piezoelectric sensor 26, 27 has a length L, corresponding to its largest dimension, and a width I.
- the active part 30, 31 is for example divided into three parts. zones 36 to 41 depending on the length. In Figure 4, the areas overlap partially, that is to say that two adjacent areas have in common a number of elements, for example between 16 and 32.
- the controller 25 can thus activate a zone 36 to 41 as a transmitter and / or activate it as a receiver and / or deactivate it.
- the emitted beam can be tilted by a delay law: the ultrasonic elementary signals are emitted with time offsets in such a way that the wavefront is inclined.
- Controller 25 controls each element independently. It can for example vary the zones.
- controller 25 can control the elements 32 only by zone 36 to 41 and can not control the elements 32 independently.
- the elements 32 belonging to two zones 36 to 41 perform the functions of the two zones 36 to 41 in same time.
- an element 32 belonging to the two zones 36 to 41 is emitter; and if one of the two zones 36 to 41 is transmitting and the other receiver, an element 32 belonging to the two zones 36 to 41 is transceiver.
- the controller 25 is programmed to implement one or more successive control configurations.
- the controller 25 successively implements at least five control configurations making it possible to control the assembly of the screw 12. At least one configuration implemented, for example at least three configurations, makes it possible to detect faults at the level of the fillet 16, and at least one implemented configuration, for example at least two configurations, makes it possible to detect defects within the barrel 18 and / or the fillet 20.
- each probe comprises two piezoelectric sensors 26, 27 on either side of the screw. If the screw has a stop bar 28, the piezoelectric sensors 26, 27 are on either side of the stop bar 28.
- the examples are detailed in the case where each active part 30, 31 is divided into three parts. zones 36 to 41, such that all of the active portions 30, 31 form a matrix of dimension two out of three.
- the sequences are able to detect defects according to their position, i.e. if they are in the fillet 16, the barrel 18 or the fillet 20, and their orientation.
- the orientation of a defect here is the angle between the axis of the screw bar 28 of the screw 12 and the projection of the defect on the probe 22. In the case of a screw 12 having no stop bar 28 this is defined with respect to one of the axes of the probe 22.
- a control sequence corresponds to a sequence of one or more possible configurations, a configuration corresponding to a particular use of the zones 36 to 41. For each configuration, there are several combinations. Each combination constitutes a control. For the inspection of the screw 12, several control sequences are necessary.
- the first configuration numbered 1 .1, consists in activating the elements of a zone at one end of a sensor 38 as a transmitter and activating the elements of the zone at the other end of the same sensor 36 as receiver.
- the ultrasonic waves emitted by the emitting elements are directed towards the fillet 16 in the direction of the receiving elements.
- the waves propagate in the head of the screw from the zone of the emitting elements 38 and come close to the edge of the leave. If a fault is present, the defect acts as a reflector, and the waves are reflected towards the zone 36.
- There are here four possible combinations of the control one for each zone at one end of a sensor 36, 38, 39, 41.
- the control configuration 1 .1 therefore comprises four controls. This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 2.
- the second configuration numbered 1 .2, consists in activating the elements of an area at one end of a sensor 41 as a transmitter and activating the elements of the zone at the other end of the same sensor 39 as receiver.
- the ultrasonic waves emitted by the emitting elements are oriented towards the edge of the fillet 16 of the screw 12 opposite to the emitter and receiver zones 41, 39.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 2.
- the third configuration numbered 2.1, consists of activating the elements of a middle zone of a sensor 37 as a transmitter and activating the elements of the middle zone of the other sensor 40 as a receiver.
- the ultrasonic waves emitted by the emitting elements are directed towards the fillet 16 in the direction of the receiving elements.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 3.
- the fourth configuration is to activate the elements of a middle area of a sensor 37 as a transmitter and receiver, without tilting the emitted ultrasonic waves.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 3.
- m being greater than or equal to 2
- n being greater than or equal to 3.
- the first configuration is to activate a zone 36 at the end of a sensor as a transmitter and activate the zone 39 at the other end of the other sensor as a receiver.
- the ultrasound waves emitted are directed towards the fillet 16 in the direction of the reception zone 39.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 2.
- the second configuration is to activate a zone 38 at the end of a sensor as a transmitter and activate the zone 41 at the other end of the other sensor as a receiver.
- the ultrasound waves emitted are oriented towards the fillet 16 outside the axis consisting of the zones 38 and 41, towards the fillet of the screw 12.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 2.
- the third configuration numbered 5.1, consists of activating a zone 38 at the end of one sensor as a transmitter and activating the central zone 40 of the other sensor as a receiver.
- the ultrasound waves emitted are oriented towards the fillet 16 of the screw 12, outside the axis consisting of the zones 38 and 40, and for example in the direction of the zone opposite the emitting zone 38 on the same sensor .
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 3.
- the fourth configuration numbered 5.2, consists of activating a zone 41 at the end of one sensor as a transmitter and activating the central zone 37 of the other sensor as a receiver.
- the ultrasound waves emitted are oriented towards the fillet 16 of the screw 12, outside the axis consisting of the zones 41 and 37, and for example in the direction of the zone facing the emitting zone 38 on the other sensor.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 3.
- the fifth configuration numbered 6.1, consists of activating a zone 36 at the end of a sensor as a transmitter and receiver, without tilting the emitted ultrasonic waves.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 2.
- the sixth configuration is to activate a zone 39 at the end of a sensor as a transmitter and receiver.
- the ultrasound waves emitted are oriented toward the edge of the fillet 16 of the screw 12 opposite the emitter and receiver zone 39, diagonally of the emitter-receiver zone.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 2.
- the first configuration numbered 2.2, consists of activating a central zone 37 of a sensor as a transmitter and the central zone 40 of the other sensor as a receiver.
- the ultrasound waves emitted are oriented outside the axis consisting of the zones 37 and 40, towards the fillet 16 of the screw 12.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 3.
- the second configuration is to activate a zone 41 at one end of a sensor as a transmitter and the zone 36 of the other sensor and at the same end as the emitter zone as a receiver.
- the ultrasound waves emitted are directed towards the fillet 16 of the screw 12 in the direction of the receiving zone.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 2.
- the third configuration is to activate a zone 38 at one end of a sensor as a transmitter and the zone 39 of the other sensor and at the same end as the emitter zone as a receiver.
- the ultrasound waves emitted are oriented towards the edge of the fillet 16 of the screw 12, opposite the transceiver zones.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 2.
- To detect defects within the barrel 18 and / or the thread 20 there are two sequences, each corresponding to an orientation of defects within the barrel and / or the thread.
- the first configuration numbered 8 consists in activating all the zones 39 to 41 of a sensor as a transmitter and all the zones 36 to 38 of the other sensor as a receiver.
- the ultrasound waves emitted are oriented towards the barrel 18 and the net 20 towards the receiving zone.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 1.
- the second configuration numbered 9.1 consists in activating all the zones 39 to 41 of a sensor as a transceiver.
- the ultrasound waves emitted are oriented towards the barrel 18 and the thread 20 towards the opposite edge of the screw 12.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 1.
- the third configuration numbered 9.2, consists in activating all the zones 36 to 38 of a sensor as a transceiver, without tilting the ultrasound waves emitted. There are two possible combinations, two controls.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 2 and n being greater than or equal to 1.
- the first configuration numbered 10 consists of activating a zone 39 at one end of a sensor and zone 38 of the other sensor and at the same end as transmitter, and the two zones 41, 36 at the one end. other end of the sensors as a receiver.
- the ultrasonic waves emitted by the emitting zones are oriented towards the shaft 18 and the net 20 towards the receiving zones of the same sensor.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 1 and n being greater than or equal to 2.
- the second configuration numbered 1 1 .1, consists of activating a zone 39 at one end of a sensor and zone 38 of the other sensor and at the same end as transmitter-receiver.
- the ultrasound waves emitted are oriented towards the barrel 18 and the net 20 opposite the emitting zones.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 1 and n being greater than or equal to 2.
- the third configuration numbered 1 1 .2, consists in activating a zone 41 at one end of a sensor and the zone 36 of the other sensor and at the same end as a transceiver without tilting the ultrasonic waves. issued. There are two possible combinations, two controls.
- This configuration can be generalized in all cases where the active parts of the probe form a matrix of dimension m on n, m being greater than or equal to 1 and n being greater than or equal to 2.
- An example of a succession of configurations provided for the inspection of the screw is to at least realize for the first sequence for the leave the configuration 2.1, for the second sequence for the leave the configurations 4.1, 4.2 and 5.2, for the third sequence for the leave the configuration 7.2, for the first sequence for the barrel and the net the configuration 8 and for the second sequence for the barrel and the net the configuration 10.
- These configurations can be realized in this order or in a different order from that -this. For each configuration, all the possible combinations are realized.
- the information gathered by all the sequences makes it possible to detect, accurately and reliably characterize the defects within screws of which only the upper surface is accessible. This can make the decision to change a screw when it has one or more defects too important, but also not to change screws that do not require it.
- This device and the associated method can be easily adapted to any bolt, consisting of a screw and a nut, stud or other fastener.
- the head is then the accessible end of the stud.
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- 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)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1551827A FR3033408B1 (fr) | 2015-03-04 | 2015-03-04 | Dispositif d'inspection d'organes de fixation par ultrasons, et procede associe |
| PCT/EP2016/054709 WO2016139360A1 (fr) | 2015-03-04 | 2016-03-04 | Dispositif d'inspection d'organes de fixation par ultrasons, et procédé associé |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3265800A1 true EP3265800A1 (fr) | 2018-01-10 |
Family
ID=52829209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16709319.4A Withdrawn EP3265800A1 (fr) | 2015-03-04 | 2016-03-04 | Dispositif d'inspection d'organes de fixation par ultrasons, et procédé associé |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20180017530A1 (fr) |
| EP (1) | EP3265800A1 (fr) |
| CN (1) | CN107430094A (fr) |
| FR (1) | FR3033408B1 (fr) |
| WO (1) | WO2016139360A1 (fr) |
| ZA (1) | ZA201705616B (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10877003B2 (en) * | 2018-03-06 | 2020-12-29 | Metis Design Corporation | Damage detection system and method for detecting damage in fastened structures |
| CN110412127A (zh) * | 2019-07-19 | 2019-11-05 | 中广核检测技术有限公司 | 一种围板与成形板的六角头连接螺栓的超声检测探头及检测方法 |
| KR102398609B1 (ko) * | 2021-06-14 | 2022-05-13 | 한국수력원자력 주식회사 | 배플 포머 볼트의 초음파 검사 장치 및 방법 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759090A (en) * | 1971-02-22 | 1973-09-18 | Mc Donnell Douglas Corp | Ultrasonic extensometer |
| DE4005545A1 (de) * | 1990-02-22 | 1991-08-29 | Bbc Reaktor Gmbh | Einrichtung zum ultraschallpruefen einer in einem bauteil eingesetzten kopfschraube |
| EP0452516B1 (fr) * | 1990-03-16 | 1995-09-27 | Siemens Aktiengesellschaft | Tête de mesure ultrasonore et méthode pour son utilisation |
| US5205176A (en) * | 1990-08-27 | 1993-04-27 | Ultrafast, Inc. | Ultrasonic load cell with transducer |
| DE19509290C1 (de) * | 1995-03-15 | 1996-05-02 | Bbc Reaktor Gmbh | Prüfkopf zum Ultraschallprüfen einer eingebauten Innenmehrkantschraube |
| US6009759A (en) * | 1996-05-03 | 2000-01-04 | Ultrafast, Inc. | Minimizing the effect of bending on ultrasonic measurements in a load-bearing member |
| US5970798A (en) * | 1997-09-25 | 1999-10-26 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Ultrasonic bolt gage |
| US6523412B1 (en) * | 2000-06-28 | 2003-02-25 | Framatome Anp Inc. | Apparatus and method for inspecting spring hold down bolts of an upper tie plate |
| US6501211B1 (en) * | 2001-07-13 | 2002-12-31 | Masoud Nasrollahzadeh | Ultra-sonic transducer assembly incorporated into a printed circuit board for determining tension forces in a bolt |
| CA2396117A1 (fr) * | 2002-07-30 | 2004-01-30 | Michael Moles | Systeme d'essai non destructif a ultrasons et reseau a commande de phase permettant le controle des fixations |
| DE202006006990U1 (de) * | 2006-04-27 | 2006-07-13 | Pfw Technologies Gmbh | Verbindungsbauteil mit temperaturfestem Sensorelement |
| DE102009060441B4 (de) * | 2009-12-22 | 2014-11-20 | Amg Intellifast Gmbh | Sensorelement |
| TWI454346B (zh) * | 2011-01-20 | 2014-10-01 | China Pneumatic Corp | 可控制與追蹤量測鎖緊扭矩及鎖緊力的裝置及其控制方法、追蹤量測方法與校驗的方法 |
| EP2490017A1 (fr) * | 2011-02-18 | 2012-08-22 | AMG Intellifast GmbH | Système de mesure d'ultrasons |
| US9404896B2 (en) * | 2012-11-19 | 2016-08-02 | General Electric Company | Two-dimensional TR probe array |
| FR3000212B1 (fr) * | 2012-12-21 | 2015-01-16 | V & M France | Dispositif et procede de controle non destructif de profiles metalliques |
| US9429546B2 (en) * | 2013-03-22 | 2016-08-30 | Siemens Energy, Inc. | Phased array ultrasonic bolt inspection apparatus and method |
| GB201316656D0 (en) * | 2013-09-19 | 2013-11-06 | Dolphitech As | Sensing apparatus using multiple ultrasound pulse shapes |
| US9964524B2 (en) * | 2015-06-26 | 2018-05-08 | Siemens Energy, Inc. | Method and an apparatus for bolt inspection |
-
2015
- 2015-03-04 FR FR1551827A patent/FR3033408B1/fr active Active
-
2016
- 2016-03-04 EP EP16709319.4A patent/EP3265800A1/fr not_active Withdrawn
- 2016-03-04 US US15/554,773 patent/US20180017530A1/en not_active Abandoned
- 2016-03-04 WO PCT/EP2016/054709 patent/WO2016139360A1/fr not_active Ceased
- 2016-03-04 CN CN201680012578.6A patent/CN107430094A/zh active Pending
-
2017
- 2017-08-18 ZA ZA2017/05616A patent/ZA201705616B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA201705616B (en) | 2019-06-26 |
| US20180017530A1 (en) | 2018-01-18 |
| CN107430094A (zh) | 2017-12-01 |
| FR3033408B1 (fr) | 2021-01-29 |
| FR3033408A1 (fr) | 2016-09-09 |
| WO2016139360A1 (fr) | 2016-09-09 |
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