Mupunga. 1. Stainless Steel Weld Manufacturing Inspection Method: Double 2D Matrix Assembly muTRL Mode.

Makodhi, mastanadadhi, uye nzira dzakashanduka kuti dzibvumire kushandiswa kwepased array ultrasonic test (PAUT) pachinzvimbo cheRT yekuyedza austenitic welds. Kutanga kushandiswa zvakanyanya mumagetsi enyukireya makore angangoita gumi nemashanu apfuura, kushandiswa kwemaviri (2D) array sensor maassemblies akapararira kune oiri uye gasi nemamwe maindasitiri uko nekukurumidza, kwakavimbika uye kwakachengeteka kuongororwa kwepamusoro attenuation austenitic welds inodiwa.
Iwo azvino anotakurika akaganhurwa array zvishandiso ane ane simba akavakirwa-mukati software iyo inokutendera iwe nekukurumidza uye nemazvo kuseta, kuendesa uye kududzira 2D matrix array scans pasina kupinza emutemo mafaera akagadzirwa nekunze macalculator kana kuremote control system uchishandisa advanced software. software yePC.
Nhasi, matekinoroji ekuongorora akavakirwa pa2D array transducers anopa hunyanzvi hwekuona girth uye axial kukanganisa musimbi isina tsvina uye dissimilar esimbi welds. Iyo yakamisikidzwa 2D mbiri mbiri matrix kumisikidzwa inogona kunyatsovhara iyo yekuongorora vhoriyamu yesimbi isina tsvina welds uye inogona kuona furati uye yakawanda hurema.
Ultrasound inspection procedures inowanzo sanganisira mbiri-dimensional matrices akaiswa pazvinotsiviwa newedge-shaped components ane contours anofanana nedhayamita rekunze rechikamu chiri kutariswa. Shandisa yakaderera frequencies - 1.5 MHz kune akasiyana simbi welds uye zvimwe attenuation kudzikisira zvinhu, 2 MHz kusvika 3.5 MHz kune yunifomu akagadzirwa Stainless simbi substrates uye welds.
Iyo mbiri mbiri T / R kumisikidzwa (kutumira / kugamuchira) inopa zvinotevera zvakanakira: hapana pedyo-pamusoro-pasi "yakafa zone", kubviswa kwe "phantom echoes" kunokonzerwa nemukati maratidziro mukati meweji, uye pakupedzisira zviri nani senitivity uye chiratidzo-ku-ruzha ratio (chiyero chiratidzo / ruzha). ruzha mufananidzo)) nekuda kwekutenderera kweT uye R matanda.
Ngatitarisei nzira yePA UT yekudzora kugadzirwa kwe austenitic Stainless steel welds.
Paunenge uchiitisa kutonga kwekugadzira, panzvimbo yeRT, kutonga kunofanirwa kuvhara huwandu hweiyo weld uye iyo yese madziro ukobvu hwenzvimbo yakakanganiswa nekupisa. Muzviitiko zvakawanda, iyo solder cap ichave iripo. Mune kabhoni simbi welds, zvinokurudzirwa kushandisa shear mafungu kuti sonicate inodzorwa vhoriyamu pamativi ese, nepo yekupedzisira hafu wave inowanzo shandiswa kuwana specular reflections kubva pakukanganisa pane weld bevel.
Pazasi ma frequency, yakafanana shear wave nzira inogona kushandiswa kuyedza iyo proximal bevel yesimbi isina tsvina welds, asi haina kuvimbika pakuyedzwa kuburikidza neaustenitic weld zvinhu. Mukuwedzera, kune iyo inonzi CRA welds, pane corrosion-resistant alloy coating mukati mekati ye carbon steel pipe, uye hafu yekupedzisira yewaya jumper yemuchinjikwa haigone kushandiswa zvinobudirira.
Ngatitarisei nzira dzekuona dzemuenzaniso tichishandisa inotakurika UT chiridzwa uye software, sezvakaratidzwa mumufananidzo 1.
Dual 2D array transducer anogadzira 30 kusvika 85 dhigirii P-wave akadzora matanda anogona kushandiswa kuzara vhoriyamu kufukidzwa. Pamadziro emadziro kubva pa15 kusvika ku50 mm, mafrequency kubva 1.5 kusvika 2.25 MHz anoonekwa akakodzera, zvichienderana nekuderedzwa kweiyo substrate.
Nokugadzirisa kona ye wedge uye kugadzirisa kwezvinhu zvakarongwa zvekuongorora, zvakasiyana-siyana zve refractive angle scans zvinogona kugadzirwa zvakanaka pasina hukama hweparutivi lobes (Fig. 2). The footprint ye wedge node mundege yezviitiko inodzikiswa, zvichibvumira nzvimbo yekubuda nayo danda kuti ive padyo ne weld sezvinobvira.
Kuita kweyakajairwa 2.25 MHz 10 x 3 dual array array muTRL modhi yakaongororwa pane 25 mm madziro ukobvu 304 Stainless steel plate weld. Miyedzo iyi yaive neyakajairwa-yakaita V-yakatenuka uye "se-welded" pamusoro pemamiriro uye yaive nechaiyo uye yakanyatso nyorwa-yakajeka weld hurema hwakafanana neweld.
Mupunga. 3. Yakasanganiswa nhanho yedhata yemhando 2.25 MHz 10 x 3 Dual Array (TRL) array pane 304 Stainless steel plate weld.
Pamusoro pemuonde. 3 inoratidza mifananidzo yedata yakasanganiswa yePAR yemakona ese erefraction (kubva pa30° kusvika 85° LW) pamwe nekureba kwese kweweld. Kutorwa kwedata kwakaitwa padanho rekuwana yakaderera kudzivirira kuzara kwehurema hunoratidza zvakanyanya. 16-bit data resolution inobvumira yakakodzera zvinyoro zvigadziriso zvemhando dzakasiyana dzehurema. Dudziro yedata inogona kufambiswa nekuisa zvakanaka chivharo chekufungidzira.
Mufananidzo wekukanganisa kumwe chete wakagadzirwa uchishandisa dataset rakasanganiswa rinoratidzwa mumufananidzo 4. Tarisa mhinduro:
Kana iwe usingade kubvisa plug usati watariswa, imwe nzira yekuongorora inogona kushandiswa kuona axial (transverse) makatsemuka mupombi welds: imwechete array array probe inogona kushandiswa mu pulse echo mode ku "tilt" iyo weld plug Inzwi danda kubva pazasi Sezvo ruzha danda richipararira zvakanyanya mu substrate canal padhuze ne the substrate can resld on the substrate resdear the shear.
Sezvineiwo, mawelds anofanirwa kuongororwa mumativi mana ematanda (Mufananidzo 5) uye zvinoda kuti maweji maviri akaenzanirana kuti aongororwe kubva kune akapesana, newachi uye neawa. Zvichienderana nehuwandu uye hukuru hwezvinhu zvega zvega, musangano we wedge unogona kugadzirwa kuti uwane makona ekuramba kubva pa 40 ° kusvika ku 65 ° maererano nekutungamira kweakisi ye scan. Kupfuura 50 mwaranzi inowira pane yega yega sero yekutsvaga. Chiridzwa chakaomesesa cheUS PA chine yakavakirwa-mukati karukureta chinogona nyore kubata netsanangudzo yemaseti emitemo inotarisisa ine akasiyana skews, sezvakaratidzwa mumufananidzo 6.
Kazhinji, mutsara wemitsara miviri yecheki inoshandiswa kuvhara zvakakwana huwandu hwecheki. Nzvimbo dzeaxial dzemitsara miviri ye scan inotarwa kubva pakukora kwepombi uye nehupamhi hwetipi ye weld. Yekutanga scanner line inomhanya padhuze nepazvinogona kusvika kumucheto we weld, ichiratidza zvikanganiso zviri pamudzi we weld, uye yechipiri scan line inopedzisa kuvharwa kweHAZ. Nzvimbo yepasi peiyo probe node ichave yakagadziridzwa kuitira kuti danda rekubuda rive padyo sezvinobvira kune chigunwe chekorona pasina akakosha emukati maratidziro muweji.
Iyi nzira yekuongorora yakaonekwa kuti inoshanda zvakanyanya pakuona zvisirizvo axial defects. Pamusoro pemuonde. 7 inoratidza mufananidzo wakarongwa wakatorwa pane axial crack musimbi isina tsvina weld: kukanganisa kwakawanikwa pamakona akasiyana-siyana ekurerekera uye yakakwirira SNR inogona kucherechedzwa.
Mufananidzo 7: Yakasanganiswa dhizaini yakarongeka data yeaxial cracks mune Stainless steel welding (yakasiyana SW angles uye inclinations): yakajairika fungidziro (kuruboshwe) uye polar fungidziro (kurudyi).
Mabhenefiti epamberi PA UT seimwe nzira yeradiography inoramba ichiwana kutariswa muoiri uye gasi, kugadzirwa kwemagetsi, kugadzira uye mamwe maindasitiri anovimba neakavimbika kuongororwa kweaustenitic welds. Saizvozvo, zvakazara zvakabatanidzwa PA UT zviridzwa, ine simba firmware uye 2D array probes inoramba ichiita kuti kuongorora uku kuve kudhura uye kushanda nesimba.
Guy Maes ndiye director weZetec wezvekutengesa kuUT. Anopfuura makore makumi maviri neshanu ane ruzivo mukusimudzira uye kuita zvemhando yepamusoro ultrasound nzira, kugona kuongorora uye software kuvandudza. Kuti uwane rumwe ruzivo, fonera (425) 974-2700 kana shanya www.zetec.com.
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