{"id":16329,"date":"2024-09-19T09:51:42","date_gmt":"2024-09-19T07:51:42","guid":{"rendered":"https:\/\/dev.shimadzu-testing.com\/?p=16329"},"modified":"2025-02-05T11:17:42","modified_gmt":"2025-02-05T10:17:42","slug":"3d-dic-analysis-of-a-metal-specimen-following-animpact-compression-test-by-the-hopkinson-barmethod","status":"publish","type":"post","link":"https:\/\/shimadzu-testing.com\/ro\/stiti-cum\/high-speed-video-camera\/3d-dic-analysis-of-a-metal-specimen-following-animpact-compression-test-by-the-hopkinson-barmethod\/","title":{"rendered":"Analiza 3D-DIC a unui specimen metalic \u00een urma unui test de compresie la impact prin metoda Hopkinson Bar"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"16329\" class=\"elementor elementor-16329\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4e15197 e-flex e-con-boxed e-con e-parent\" data-id=\"4e15197\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8791d81 elementor-widget elementor-widget-text-editor\" data-id=\"8791d81\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\u00cen\u021belegerea propriet\u0103\u021bilor materialelor este important\u0103\n\u00een proiectarea produselor. Din acest motiv, exist\u0103 diverse\nstandarde de testare, cum ar fi testarea la trac\u021biune, compresie\nde compresie \u0219i de \u00eendoire. \u00cen ceea ce prive\u0219te aeronavele de transport,\ntrebuie luat\u0103 \u00een considerare posibilitatea de a suporta sarcini de impact\ntrebuie luat\u0103 \u00een considerare, ceea ce \u00eenseamn\u0103 c\u0103, pentru a \u00een\u021belege cu exactitate\n\u00een\u021belegerea exact\u0103 a propriet\u0103\u021bilor unui material, propriet\u0103\u021bile de impact\n\u00een plus fa\u021b\u0103 de propriet\u0103\u021bile statice. \u00cen\n\u00een special, este necesar\u0103 testarea la impact, deoarece caracteristicile\nale unui material pot diferi \u00eentre\natunci c\u00e2nd este supus unei sarcini statice \u0219i atunci c\u00e2nd este\nla o sarcin\u0103 de impact. Metoda barelor Hopkinson\neste o metod\u0103 pentru testarea la impact. Propus\u0103 de Bertram\nHopkinson, aceast\u0103 metod\u0103 deformeaz\u0103 o epruvet\u0103 prin impact.\nO bar\u0103 de lovire este lansat\u0103 \u00eempotriva unei bare de intrare de c\u0103tre un lansator de bare,\ntransmi\u021b\u00e2nd o und\u0103 elastic\u0103 de compresie prin\nbara de intrare pentru a aplica o for\u021b\u0103 brusc\u0103 pe epruveta care\neste \u00een contact cu bara de intrare.1) O schem\u0103 a metodei\nMetoda barei Hopkinson este ilustrat\u0103 \u00een Fig. 1.\n\u00cen acest studiu, un test de compresie prin impact a fost\nefectuat pe o prob\u0103 din aliaj de aluminiu prin metoda\nmetoda barei Hopkinson. Distribu\u021bia deforma\u021biilor pe\nsuprafa\u021b\u0103 a epruvetei a fost vizualizat\u0103 prin \u00eenregistrarea\ntestului cu dou\u0103 camere video de mare vitez\u0103 HPVTM-X2\n(denumite \u00een continuare HPV-X2) \u0219i efectuarea unei\ncorelarea digital\u0103 a imaginilor (DIC).*1\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cc5b39e elementor-widget elementor-widget-text-editor\" data-id=\"cc5b39e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t*1 Analiza DIC<br>\nAceast\u0103 tehnic\u0103 compar\u0103 un model aleatoriu de pe suprafa\u021ba unui\nobiect \u00eenainte \u0219i dup\u0103 ce obiectul este deformat pentru a investiga\ncantitatea de mi\u0219care a modelului. Modelul aleatoriu utilizat aici\na fost imprimat pe un ab\u021bibild de transfer \u0219i ab\u021bibildul a fost ata\u0219at\npe suprafa\u021ba specimenului.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8c5eeb elementor-widget elementor-widget-text-editor\" data-id=\"a8c5eeb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><strong>Sistemul de m\u0103surare<\/strong><\/h2>\n<p>\u00cenregistrarea unui test de compresie la impact din dou\u0103\ndirec\u021bii folosind dou\u0103 camere video de mare vitez\u0103 HPV-X2\npermite m\u0103surarea deplas\u0103rii tridimensionale.\nDeoarece \u00een acest studiu a fost utilizat un specimen cilindric, o\nm\u0103surarea deplas\u0103rii tridimensionale a fost\nnecesar\u0103. \u00cen consecin\u021b\u0103, testul a fost \u00eenregistrat\nsincronizat din dou\u0103 direc\u021bii. Figurile 2 \u0219i 3 prezint\u0103\nconfigura\u021bia de observare \u0219i testare. Echipamentul utilizat pentru\n\u00eenregistrarea testului este prezentat \u00een tabelul 1. Imaginile video\n\u00eenregistrate de camerele HPV-X2 au fost analizate cu ajutorul\nsoftware-ul VIC-3D DIC pentru a determina distribu\u021bia deforma\u021biilor.\nDeoarece VIC-3D poate controla camerele HPV-X2, calibrarea\n\u0219i analiza pot fi efectuate cu u\u0219urin\u021b\u0103.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-413e636 e-grid e-con-full e-con e-child\" data-id=\"413e636\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2206f5f elementor-widget elementor-widget-image\" data-id=\"2206f5f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/3d-dic-analysis-of-a-metal-specimen-following-an-impact-compression-test-by-the-hopkinson-bar-method-fig2-setup-of-recording-equipment.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"3d-dic-analysis-of-a-metal-specimen-following-an-impact-compression-test-by-the-hopkinson-bar-method-fig2-setup-of-recording-equipment\" data-elementor-lightbox-description=\"Fig. 2 Setup of Recording Equipment\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTYzMzAsInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMDlcLzNkLWRpYy1hbmFseXNpcy1vZi1hLW1ldGFsLXNwZWNpbWVuLWZvbGxvd2luZy1hbi1pbXBhY3QtY29tcHJlc3Npb24tdGVzdC1ieS10aGUtaG9wa2luc29uLWJhci1tZXRob2QtZmlnMi1zZXR1cC1vZi1yZWNvcmRpbmctZXF1aXBtZW50LmpwZyJ9\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"762\" height=\"568\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/3d-dic-analysis-of-a-metal-specimen-following-an-impact-compression-test-by-the-hopkinson-bar-method-fig2-setup-of-recording-equipment.jpg\" class=\"attachment-medium_large size-medium_large wp-image-16330\" alt=\"Fig. 2 Configurarea echipamentului de \u00eenregistrare\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Fig. 2 Configurarea echipamentului de \u00eenregistrare<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f029c7 elementor-widget elementor-widget-image\" data-id=\"7f029c7\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/3d-dic-analysis-of-a-metal-specimen-following-an-impact-compression-test-by-the-hopkinson-bar-method-fig3-test-setup-with-specimen-inserted.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"3d-dic-analysis-of-a-metal-specimen-following-an-impact-compression-test-by-the-hopkinson-bar-method-fig3-test-setup-with-specimen-inserted\" data-elementor-lightbox-description=\"Fig. 3 Test Setup with Specimen Inserted\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTYzMzEsInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMDlcLzNkLWRpYy1hbmFseXNpcy1vZi1hLW1ldGFsLXNwZWNpbWVuLWZvbGxvd2luZy1hbi1pbXBhY3QtY29tcHJlc3Npb24tdGVzdC1ieS10aGUtaG9wa2luc29uLWJhci1tZXRob2QtZmlnMy10ZXN0LXNldHVwLXdpdGgtc3BlY2ltZW4taW5zZXJ0ZWQuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"760\" height=\"570\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/3d-dic-analysis-of-a-metal-specimen-following-an-impact-compression-test-by-the-hopkinson-bar-method-fig3-test-setup-with-specimen-inserted.jpg\" class=\"attachment-medium_large size-medium_large wp-image-16331\" alt=\"Fig. 3 Configura\u021bia de testare cu epruveta inserat\u0103\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Fig. 3 Configura\u021bia de testare cu epruveta inserat\u0103<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-efdf405 elementor-widget elementor-widget-text-editor\" data-id=\"efdf405\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><strong>Rezultatele m\u0103sur\u0103torilor<\/strong><\/h2>\n<p>Testul a fost \u00eenregistrat la 500.000 de cadre pe secund\u0103.\nFig. 4 prezint\u0103 rezultatele analizei 3D-DIC. Rezultatele analizei\nindic\u0103 deformarea \u00een direc\u021bia de testare. Deoarece\nproba a fost comprimat\u0103 \u00een timp ce era constr\u00e2ns\u0103 de\nbara de intrare \u0219i bara de ie\u0219ire, deformarea \u00een direc\u021bia de trac\u021biune\ndirec\u021bia de trac\u021biune, de\u0219i u\u0219oar\u0103, este observat\u0103 la ambele capete ale\nspecimenului. Rezultatele arat\u0103, de asemenea, c\u0103 pe m\u0103sur\u0103 ce \u00eencercarea\na progresat, deformarea \u00een direc\u021bia compresiei\ns-a concentrat \u00een partea superioar\u0103 a epruvetei. Acest lucru indic\u0103\nc\u0103 acest test nu s-a dovedit a fi un test\ntest de compresie \u0219i c\u0103 deformarea a fost concentrat\u0103\npe o parte.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14438ca elementor-widget elementor-widget-text-editor\" data-id=\"14438ca\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Concluzie<\/h2>\n<p>Dou\u0103 camere de mare vitez\u0103 HPV-X2 au fost utilizate pentru analiza 3D-DIC\na unui test de compresie prin metoda barelor Hopkinson\nmetoda Hopkinson. Pentru a efectua o analiz\u0103 3D-DIC a unui\nunui test de impact, sunt necesare camere de mare vitez\u0103 care\nvitez\u0103 de \u00eenregistrare \u0219i rezolu\u021bie ridicat\u0103, capabile \u00een acela\u0219i timp\nde \u00eenregistrare sincronizat\u0103 din dou\u0103 direc\u021bii sunt\nnecesare. Echipat\u0103 cu toate aceste caracteristici, HPV-X2\neste camera video de mare vitez\u0103 optim\u0103 pentru analizele 3D-DIC\na testelor de impact.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1cad14a elementor-widget elementor-widget-image\" data-id=\"1cad14a\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/3d-dic-analysis-of-a-metal-specimen-following-an-impact-compression-test-by-the-hopkinson-bar-method-fig4-results-of-3D-DIC-analysis-time-interval-between-images-32-\u03bcs.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"3d-dic-analysis-of-a-metal-specimen-following-an-impact-compression-test-by-the-hopkinson-bar-method-fig4-results-of-3D-DIC-analysis-time-interval-between-images-32-\u03bcs\" data-elementor-lightbox-description=\"Fig. 4 Results of 3D-DIC Analysis (Time interval between images: 32 \u03bcs)\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTYzMzIsInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMDlcLzNkLWRpYy1hbmFseXNpcy1vZi1hLW1ldGFsLXNwZWNpbWVuLWZvbGxvd2luZy1hbi1pbXBhY3QtY29tcHJlc3Npb24tdGVzdC1ieS10aGUtaG9wa2luc29uLWJhci1tZXRob2QtZmlnNC1yZXN1bHRzLW9mLTNELURJQy1hbmFseXNpcy10aW1lLWludGVydmFsLWJldHdlZW4taW1hZ2VzLTMyLVx1MDNiY3MuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"426\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/3d-dic-analysis-of-a-metal-specimen-following-an-impact-compression-test-by-the-hopkinson-bar-method-fig4-results-of-3D-DIC-analysis-time-interval-between-images-32-\u03bcs-1024x426.jpg\" class=\"attachment-large size-large wp-image-16332\" alt=\"Fig. 4 Rezultatele analizei 3D-DIC (Interval de timp \u00eentre imagini: 32 \u03bcs)\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Fig. 4 Rezultatele analizei 3D-DIC (Interval de timp \u00eentre imagini: 32 \u03bcs)<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-103cacb elementor-widget elementor-widget-text-editor\" data-id=\"103cacb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tTestul a fost \u00eenregistrat \u00een colaborare cu Laboratorul de Mecanic\u0103 Structural\u0103 din cadrul Departamentului de Inginerie Mecanic\u0103, Facultatea de \u0218tiin\u021b\u0103\n\u0219i Inginerie la Universitatea Ritsumeikan. <br> <br>\nReferin\u021b\u0103<br>\n1) Kichinosuke Tanaka \u0219i Yoji Adachi, Aeronautical and Space Sciences Japan, Volume 21, Issue 230 (1973) <br>\nHPV este o marc\u0103 comercial\u0103 a Shimadzu Corporation.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8f5d236 elementor-widget elementor-widget-spacer\" data-id=\"8f5d236\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-73eecaa e-flex e-con-boxed e-con e-parent\" data-id=\"73eecaa\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6878ff6 elementor-widget elementor-widget-heading\" data-id=\"6878ff6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Desc\u0103rcare<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2bf12d7 downloads-liste elementor-widget elementor-widget-text-editor\" data-id=\"2bf12d7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/high-speed-video-camera-3d-dic-analysis-of-a-metal-specimen-following-an-impact-compression-test-by-the-hopkinson-bar-method.pdf\">Aplica\u021bie: Analiza 3D-DIC a unui specimen metalic \u00een urma unui test de compresie la impact prin metoda Hopkinson Bar<\/a><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af1c544 elementor-widget elementor-widget-spacer\" data-id=\"af1c544\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0b45c7 elementor-hidden-desktop elementor-hidden-tablet elementor-hidden-mobile elementor-widget elementor-widget-button\" data-id=\"a0b45c7\" 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<\/p>","protected":false},"author":5,"featured_media":16333,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[340,357],"tags":[],"class_list":["post-16329","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-high-speed-video-camera","category-hpv-x2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>3D-DIC Analysis of Metal Impact Compression | Shimadzu<\/title>\n<meta name=\"description\" content=\"Explore Shimadzu&#039;s 3D-DIC analysis of metal specimens under impact compression using the Hopkinson Bar Method and HPV-X2 high-speed cameras.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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