METHOD OF CONTROLLING ACOUSTIC CONTACT DURING ULTRASONIC FLAW DETECTION
A method of controlling acoustic contact during ultrasonic flaw detection provides that the angle ($g(b)) of the prisms of the generating (1) and receiving (2) ultrasonic converters is designed to be smaller than the first critical angle, the converters (1, 2) are placed on the surface (3) of the we...
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| creator | URMAN, NAUM SEMENOVICH BARANAOV, VLADIMIR JURIEVICH BABINA, VERA RAFAILOVNA MOGILNER, LEONID JURIEVICH ALESHIN, NIKOLAI PAVLOVICH YAROVOI, ALEXANDR ALEXEEVICH |
| description | A method of controlling acoustic contact during ultrasonic flaw detection provides that the angle ($g(b)) of the prisms of the generating (1) and receiving (2) ultrasonic converters is designed to be smaller than the first critical angle, the converters (1, 2) are placed on the surface (3) of the weld joint (4) at a distance (A) from the longitudinal axis (6) of the weld joint (5), said distance being chosen on the basis of the thickness ($g(d)) of the welded elements (7), of the width ($g(D)1?, $g(D)2?) of the reinforcing beads (8, 9) and of the angles ($g(a)l?, $g(a)t?) between the directions of the longitudinal (l2?) and transverse (t1?) ultrasonic waves generated in the weld joint (4), on the one hand, and the perpendicular (13) to the surface (3) in the point of generating the waves, on the other hand. The quality of the acoustic contact is then evaluated on the basis of the amplitude of the reflected echo-pulse registered at a moment (t) chosen on the basis of the time (to?) of propagation of the ultrasonic wave in the material of the converters (1, 2) and on the basis of the velocities (Cl?, Ct?) of propagation of the longitudinal (l2?, l1?) and transverse (t1?, t2?) waves in the material of the weld joint (4).
Un procédé de commande de contact acoustique lors de la détection ultrasonique de défectuosités prévoit que l'angle (beta) des prismes des convertisseurs ultrasoniques d'émission (1) et de réception (2) est dessiné pour être plus petit que le premier angle critique. Les convertisseurs (1, 2) sont placés sur la surface (3) du joint soudé (4) à une distance (A) de l'axe longitudinal (6) du joint soudé (5), ladite distance étant choisie sur la base de l'épaisseur (delta) des éléments soudés (7), de la largeur (DELTA1, DELTA2) des cordons (8, 9) et des angles (alphal, alphat) entre les sens des ondes ultrasoniques longitudinale (l2) et transversale (t1) formées dans le joint soudé (4), d'une part, et la perpendiculaire (13) à la surface (3) au point de formation des ondes d'autre part. On évalue ensuite la qualité du contact acoustique sur la base de l'amplitude de l'écho-impulsion réfléchi enregistré à un moment (t) choisi sur la base du temps de propagation (to) de l'onde ultrasonique dans le matériau des convertisseurs (1, 2), et sur la base des vitesses de propagation (Cl, Ct) des ondes longitudinales (l2, l1) et transversales (t1, t2) dans le matériau du joint soudé (4). |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_WO9002328A1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>WO9002328A1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_WO9002328A13</originalsourceid><addsrcrecordid>eNrjZHD3dQ3x8HdR8HdTcPb3Cwny9_Hx9HNXcHT2Dw0O8XQGCzo6hyi4hAaBxEN9QoIcg_39gDJuPo7hCi6uIa7OIZ7-fjwMrGmJOcWpvFCam0HBzTXE2UM3tSA_PrW4IDE5NS-1JD7c39LAwMjYyMLR0JgIJQCi3SyG</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>METHOD OF CONTROLLING ACOUSTIC CONTACT DURING ULTRASONIC FLAW DETECTION</title><source>esp@cenet</source><creator>URMAN, NAUM SEMENOVICH ; BARANAOV, VLADIMIR JURIEVICH ; BABINA, VERA RAFAILOVNA ; MOGILNER, LEONID JURIEVICH ; ALESHIN, NIKOLAI PAVLOVICH ; YAROVOI, ALEXANDR ALEXEEVICH</creator><creatorcontrib>URMAN, NAUM SEMENOVICH ; BARANAOV, VLADIMIR JURIEVICH ; BABINA, VERA RAFAILOVNA ; MOGILNER, LEONID JURIEVICH ; ALESHIN, NIKOLAI PAVLOVICH ; YAROVOI, ALEXANDR ALEXEEVICH</creatorcontrib><description>A method of controlling acoustic contact during ultrasonic flaw detection provides that the angle ($g(b)) of the prisms of the generating (1) and receiving (2) ultrasonic converters is designed to be smaller than the first critical angle, the converters (1, 2) are placed on the surface (3) of the weld joint (4) at a distance (A) from the longitudinal axis (6) of the weld joint (5), said distance being chosen on the basis of the thickness ($g(d)) of the welded elements (7), of the width ($g(D)1?, $g(D)2?) of the reinforcing beads (8, 9) and of the angles ($g(a)l?, $g(a)t?) between the directions of the longitudinal (l2?) and transverse (t1?) ultrasonic waves generated in the weld joint (4), on the one hand, and the perpendicular (13) to the surface (3) in the point of generating the waves, on the other hand. The quality of the acoustic contact is then evaluated on the basis of the amplitude of the reflected echo-pulse registered at a moment (t) chosen on the basis of the time (to?) of propagation of the ultrasonic wave in the material of the converters (1, 2) and on the basis of the velocities (Cl?, Ct?) of propagation of the longitudinal (l2?, l1?) and transverse (t1?, t2?) waves in the material of the weld joint (4).
Un procédé de commande de contact acoustique lors de la détection ultrasonique de défectuosités prévoit que l'angle (beta) des prismes des convertisseurs ultrasoniques d'émission (1) et de réception (2) est dessiné pour être plus petit que le premier angle critique. Les convertisseurs (1, 2) sont placés sur la surface (3) du joint soudé (4) à une distance (A) de l'axe longitudinal (6) du joint soudé (5), ladite distance étant choisie sur la base de l'épaisseur (delta) des éléments soudés (7), de la largeur (DELTA1, DELTA2) des cordons (8, 9) et des angles (alphal, alphat) entre les sens des ondes ultrasoniques longitudinale (l2) et transversale (t1) formées dans le joint soudé (4), d'une part, et la perpendiculaire (13) à la surface (3) au point de formation des ondes d'autre part. On évalue ensuite la qualité du contact acoustique sur la base de l'amplitude de l'écho-impulsion réfléchi enregistré à un moment (t) choisi sur la base du temps de propagation (to) de l'onde ultrasonique dans le matériau des convertisseurs (1, 2), et sur la base des vitesses de propagation (Cl, Ct) des ondes longitudinales (l2, l1) et transversales (t1, t2) dans le matériau du joint soudé (4).</description><edition>4</edition><language>eng ; rus</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; PHYSICS ; TESTING</subject><creationdate>1990</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900308&DB=EPODOC&CC=WO&NR=9002328A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900308&DB=EPODOC&CC=WO&NR=9002328A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>URMAN, NAUM SEMENOVICH</creatorcontrib><creatorcontrib>BARANAOV, VLADIMIR JURIEVICH</creatorcontrib><creatorcontrib>BABINA, VERA RAFAILOVNA</creatorcontrib><creatorcontrib>MOGILNER, LEONID JURIEVICH</creatorcontrib><creatorcontrib>ALESHIN, NIKOLAI PAVLOVICH</creatorcontrib><creatorcontrib>YAROVOI, ALEXANDR ALEXEEVICH</creatorcontrib><title>METHOD OF CONTROLLING ACOUSTIC CONTACT DURING ULTRASONIC FLAW DETECTION</title><description>A method of controlling acoustic contact during ultrasonic flaw detection provides that the angle ($g(b)) of the prisms of the generating (1) and receiving (2) ultrasonic converters is designed to be smaller than the first critical angle, the converters (1, 2) are placed on the surface (3) of the weld joint (4) at a distance (A) from the longitudinal axis (6) of the weld joint (5), said distance being chosen on the basis of the thickness ($g(d)) of the welded elements (7), of the width ($g(D)1?, $g(D)2?) of the reinforcing beads (8, 9) and of the angles ($g(a)l?, $g(a)t?) between the directions of the longitudinal (l2?) and transverse (t1?) ultrasonic waves generated in the weld joint (4), on the one hand, and the perpendicular (13) to the surface (3) in the point of generating the waves, on the other hand. The quality of the acoustic contact is then evaluated on the basis of the amplitude of the reflected echo-pulse registered at a moment (t) chosen on the basis of the time (to?) of propagation of the ultrasonic wave in the material of the converters (1, 2) and on the basis of the velocities (Cl?, Ct?) of propagation of the longitudinal (l2?, l1?) and transverse (t1?, t2?) waves in the material of the weld joint (4).
Un procédé de commande de contact acoustique lors de la détection ultrasonique de défectuosités prévoit que l'angle (beta) des prismes des convertisseurs ultrasoniques d'émission (1) et de réception (2) est dessiné pour être plus petit que le premier angle critique. Les convertisseurs (1, 2) sont placés sur la surface (3) du joint soudé (4) à une distance (A) de l'axe longitudinal (6) du joint soudé (5), ladite distance étant choisie sur la base de l'épaisseur (delta) des éléments soudés (7), de la largeur (DELTA1, DELTA2) des cordons (8, 9) et des angles (alphal, alphat) entre les sens des ondes ultrasoniques longitudinale (l2) et transversale (t1) formées dans le joint soudé (4), d'une part, et la perpendiculaire (13) à la surface (3) au point de formation des ondes d'autre part. On évalue ensuite la qualité du contact acoustique sur la base de l'amplitude de l'écho-impulsion réfléchi enregistré à un moment (t) choisi sur la base du temps de propagation (to) de l'onde ultrasonique dans le matériau des convertisseurs (1, 2), et sur la base des vitesses de propagation (Cl, Ct) des ondes longitudinales (l2, l1) et transversales (t1, t2) dans le matériau du joint soudé (4).</description><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</subject><subject>MEASURING</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHD3dQ3x8HdR8HdTcPb3Cwny9_Hx9HNXcHT2Dw0O8XQGCzo6hyi4hAaBxEN9QoIcg_39gDJuPo7hCi6uIa7OIZ7-fjwMrGmJOcWpvFCam0HBzTXE2UM3tSA_PrW4IDE5NS-1JD7c39LAwMjYyMLR0JgIJQCi3SyG</recordid><startdate>19900308</startdate><enddate>19900308</enddate><creator>URMAN, NAUM SEMENOVICH</creator><creator>BARANAOV, VLADIMIR JURIEVICH</creator><creator>BABINA, VERA RAFAILOVNA</creator><creator>MOGILNER, LEONID JURIEVICH</creator><creator>ALESHIN, NIKOLAI PAVLOVICH</creator><creator>YAROVOI, ALEXANDR ALEXEEVICH</creator><scope>EVB</scope></search><sort><creationdate>19900308</creationdate><title>METHOD OF CONTROLLING ACOUSTIC CONTACT DURING ULTRASONIC FLAW DETECTION</title><author>URMAN, NAUM SEMENOVICH ; BARANAOV, VLADIMIR JURIEVICH ; BABINA, VERA RAFAILOVNA ; MOGILNER, LEONID JURIEVICH ; ALESHIN, NIKOLAI PAVLOVICH ; YAROVOI, ALEXANDR ALEXEEVICH</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO9002328A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; rus</language><creationdate>1990</creationdate><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MEASURING</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>URMAN, NAUM SEMENOVICH</creatorcontrib><creatorcontrib>BARANAOV, VLADIMIR JURIEVICH</creatorcontrib><creatorcontrib>BABINA, VERA RAFAILOVNA</creatorcontrib><creatorcontrib>MOGILNER, LEONID JURIEVICH</creatorcontrib><creatorcontrib>ALESHIN, NIKOLAI PAVLOVICH</creatorcontrib><creatorcontrib>YAROVOI, ALEXANDR ALEXEEVICH</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>URMAN, NAUM SEMENOVICH</au><au>BARANAOV, VLADIMIR JURIEVICH</au><au>BABINA, VERA RAFAILOVNA</au><au>MOGILNER, LEONID JURIEVICH</au><au>ALESHIN, NIKOLAI PAVLOVICH</au><au>YAROVOI, ALEXANDR ALEXEEVICH</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD OF CONTROLLING ACOUSTIC CONTACT DURING ULTRASONIC FLAW DETECTION</title><date>1990-03-08</date><risdate>1990</risdate><abstract>A method of controlling acoustic contact during ultrasonic flaw detection provides that the angle ($g(b)) of the prisms of the generating (1) and receiving (2) ultrasonic converters is designed to be smaller than the first critical angle, the converters (1, 2) are placed on the surface (3) of the weld joint (4) at a distance (A) from the longitudinal axis (6) of the weld joint (5), said distance being chosen on the basis of the thickness ($g(d)) of the welded elements (7), of the width ($g(D)1?, $g(D)2?) of the reinforcing beads (8, 9) and of the angles ($g(a)l?, $g(a)t?) between the directions of the longitudinal (l2?) and transverse (t1?) ultrasonic waves generated in the weld joint (4), on the one hand, and the perpendicular (13) to the surface (3) in the point of generating the waves, on the other hand. The quality of the acoustic contact is then evaluated on the basis of the amplitude of the reflected echo-pulse registered at a moment (t) chosen on the basis of the time (to?) of propagation of the ultrasonic wave in the material of the converters (1, 2) and on the basis of the velocities (Cl?, Ct?) of propagation of the longitudinal (l2?, l1?) and transverse (t1?, t2?) waves in the material of the weld joint (4).
Un procédé de commande de contact acoustique lors de la détection ultrasonique de défectuosités prévoit que l'angle (beta) des prismes des convertisseurs ultrasoniques d'émission (1) et de réception (2) est dessiné pour être plus petit que le premier angle critique. Les convertisseurs (1, 2) sont placés sur la surface (3) du joint soudé (4) à une distance (A) de l'axe longitudinal (6) du joint soudé (5), ladite distance étant choisie sur la base de l'épaisseur (delta) des éléments soudés (7), de la largeur (DELTA1, DELTA2) des cordons (8, 9) et des angles (alphal, alphat) entre les sens des ondes ultrasoniques longitudinale (l2) et transversale (t1) formées dans le joint soudé (4), d'une part, et la perpendiculaire (13) à la surface (3) au point de formation des ondes d'autre part. On évalue ensuite la qualité du contact acoustique sur la base de l'amplitude de l'écho-impulsion réfléchi enregistré à un moment (t) choisi sur la base du temps de propagation (to) de l'onde ultrasonique dans le matériau des convertisseurs (1, 2), et sur la base des vitesses de propagation (Cl, Ct) des ondes longitudinales (l2, l1) et transversales (t1, t2) dans le matériau du joint soudé (4).</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | METHOD OF CONTROLLING ACOUSTIC CONTACT DURING ULTRASONIC FLAW DETECTION |
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