{"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\/cz\/know-how\/high-speed-video-camera\/3d-dic-analysis-of-a-metal-specimen-following-animpact-compression-test-by-the-hopkinson-barmethod\/","title":{"rendered":"3D-DIC anal\u00fdza kovov\u00e9ho vzorku po r\u00e1zov\u00e9 tlakov\u00e9 zkou\u0161ce metodou Hopkinsonovy ty\u010de"},"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\tPochopen\u00ed vlastnost\u00ed materi\u00e1l\u016f je d\u016fle\u017eit\u00e9\np\u0159i navrhov\u00e1n\u00ed v\u00fdrobk\u016f. Z tohoto d\u016fvodu existuj\u00ed r\u016fzn\u00e9\nzku\u0161ebn\u00edch norem, jako je zkou\u0161ka v tahu, zkou\u0161ka v tlaku a zkou\u0161ka v tlaku.\na zkou\u0161ky ohybem. Pokud jde o dopravn\u00ed letadla,\nje t\u0159eba br\u00e1t v \u00favahu mo\u017enost p\u0159etrv\u00e1n\u00ed n\u00e1razov\u00e9ho zat\u00ed\u017een\u00ed.\nco\u017e znamen\u00e1, \u017ee pro p\u0159esn\u00e9 posouzen\u00ed je t\u0159eba vz\u00edt v \u00favahu\nporozum\u011bt vlastnostem materi\u00e1lu, je t\u0159eba zohlednit r\u00e1zov\u00e9 vlastnosti\nmus\u00ed b\u00fdt krom\u011b statick\u00fdch vlastnost\u00ed pochopeny i vlastnosti r\u00e1zov\u00e9. Na adrese .\nje nutn\u00e9 prov\u00e1d\u011bt zejm\u00e9na r\u00e1zov\u00e9 zkou\u0161ky, proto\u017ee nam\u00e1h\u00e1n\u00ed p\u0159i deformaci\nmateri\u00e1lu se mohou li\u0161it v z\u00e1vislosti na\nkdy\u017e je vystaven statick\u00e9mu zat\u00ed\u017een\u00ed a kdy\u017e je\nvystavena r\u00e1zov\u00e9mu zat\u00ed\u017een\u00ed. Hopkinsonova ty\u010dov\u00e1 metoda\nje jednou z metod r\u00e1zov\u00e9 zkou\u0161ky. Navrhl ji Bertram\nHopkinson, tato metoda deformuje vzorek n\u00e1razem.\n\u00dadern\u00e1 ty\u010d je vyst\u0159elena proti vstupn\u00ed ty\u010di pomoc\u00ed ty\u010dov\u00e9ho odpalova\u010de,\na p\u0159en\u00e1\u0161\u00ed tlakovou elastickou vlnu skrz ty\u010d.\nvstupn\u00ed ty\u010d a p\u016fsob\u00ed tak na vzorek n\u00e1hlou silou, kter\u00e1\nse dot\u00fdk\u00e1 vstupn\u00ed ty\u010de.1) Sch\u00e9ma vzorku, kter\u00fd se dot\u00fdk\u00e1 vstupn\u00ed ty\u010de\nHopkinsonovy ty\u010dov\u00e9 metody je zn\u00e1zorn\u011bno na obr. 1.\nV t\u00e9to studii byla provedena r\u00e1zov\u00e1 tlakov\u00e1 zkou\u0161ka.\nprovedena na vzorku z hlin\u00edkov\u00e9 slitiny pomoc\u00ed\nHopkinsonovou ty\u010dovou metodou. Rozlo\u017een\u00ed deformace na\nna povrchu vzorku bylo zviditeln\u011bno z\u00e1znamem nap\u011bt\u00ed na povrchu vzorku.\nzkou\u0161ky pomoc\u00ed dvou vysokorychlostn\u00edch videokamer HPVTM-X2.\n(d\u00e1le jen \"HPV-X2\") a proveden\u00edm 3D\ndigit\u00e1ln\u00ed obrazov\u00e9 korelace (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 DIC anal\u00fdza<br>\nTato technika porovn\u00e1v\u00e1 n\u00e1hodn\u00fd vzorek na povrchu\np\u0159ed a po deformaci objektu, aby se prozkoumalo, zda se na n\u011bm nach\u00e1z\u00ed\nvelikosti pohybu vzoru. Zde pou\u017eit\u00fd n\u00e1hodn\u00fd vzor\nbyl vyti\u0161t\u011bn na p\u0159enosovou samolepku a samolepka byla p\u0159ipevn\u011bna\nna povrch vzorku.\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>Syst\u00e9m m\u011b\u0159en\u00ed<\/strong><\/h2>\n<p>Z\u00e1znam n\u00e1razov\u00e9 tlakov\u00e9 zkou\u0161ky ze dvou\npomoc\u00ed dvou vysokorychlostn\u00edch videokamer HPV-X2.\numo\u017e\u0148uje trojrozm\u011brn\u00e9 m\u011b\u0159en\u00ed posunut\u00ed.\nVzhledem k tomu, \u017ee v t\u00e9to studii byl pou\u017eit v\u00e1lcov\u00fd vzorek.\nbylo provedeno trojrozm\u011brn\u00e9 m\u011b\u0159en\u00ed posunut\u00ed\npo\u017eadov\u00e1no. Proto byla zkou\u0161ka zaznamen\u00e1na\nsynchronn\u011b ze dvou sm\u011br\u016f. Obr\u00e1zky 2 a 3 ukazuj\u00ed\npozorovac\u00ed a zku\u0161ebn\u00ed uspo\u0159\u00e1d\u00e1n\u00ed. Za\u0159\u00edzen\u00ed pou\u017eit\u00e9 pro\npro z\u00e1znam zkou\u0161ky je uvedeno v tabulce 1. Video\nzaznamenan\u00e9 kamerami HPV-X2 byly analyzov\u00e1ny pomoc\u00ed\nVIC-3D DIC software pro ur\u010den\u00ed rozlo\u017een\u00ed deformace.\nProto\u017ee program VIC-3D m\u016f\u017ee ovl\u00e1dat kamery HPV-X2, kalibrace\na anal\u00fdzu lze prov\u00e1d\u011bt snadno.\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=\"Obr. 2 Nastaven\u00ed z\u00e1znamov\u00e9ho za\u0159\u00edzen\u00ed\" \/>\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\">Obr. 2 Nastaven\u00ed z\u00e1znamov\u00e9ho za\u0159\u00edzen\u00ed<\/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=\"Obr. 3 Zku\u0161ebn\u00ed sestava s vlo\u017een\u00fdm vzorkem\" \/>\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\">Obr. 3 Zku\u0161ebn\u00ed sestava s vlo\u017een\u00fdm vzorkem<\/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>V\u00fdsledky m\u011b\u0159en\u00ed<\/strong><\/h2>\n<p>Test byl zaznamen\u00e1n rychlost\u00ed 500 000 sn\u00edmk\u016f za sekundu.\nObr. 4 ukazuje v\u00fdsledky 3D-DIC anal\u00fdzy. Anal\u00fdza\nukazuje deformaci ve sm\u011bru zkou\u0161ky. Vzhledem k tomu, \u017ee\nbyl vzorek stla\u010den a z\u00e1rove\u0148 omezen pomoc\u00ed\nvstupn\u00ed ty\u010d\u00ed a v\u00fdstupn\u00ed ty\u010d\u00ed, deformace ve sm\u011bru tahu\nve sm\u011bru tahu, i kdy\u017e m\u00edrn\u00e9, je pozorov\u00e1no na obou konc\u00edch\nvzorku. Z v\u00fdsledk\u016f rovn\u011b\u017e vypl\u00fdv\u00e1, \u017ee p\u0159i zkou\u0161ce\npostupovala deformace ve sm\u011bru stla\u010den\u00ed.\nsoust\u0159edilo v horn\u00ed \u010d\u00e1sti vzorku. To sv\u011bd\u010d\u00ed o tom, \u017ee\n\u017ee se uk\u00e1zalo, \u017ee tato zkou\u0161ka nen\u00ed skute\u010dnou zkou\u0161kou.\na deformace byla soust\u0159ed\u011bna\nna jedn\u00e9 stran\u011b.\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>Z\u00e1v\u011br<\/h2>\n<p>Pro 3D-DIC byly pou\u017eity dv\u011b vysokorychlostn\u00ed kamery HPV-X2.\nHopkinsonova ty\u010dov\u00e9ho lisovac\u00edho testu.\nmetodou. Za \u00fa\u010delem proveden\u00ed 3D-DIC anal\u00fdzy zku\u0161ebn\u00edho testu\nr\u00e1zov\u00e9 zkou\u0161ky, byly pou\u017eity vysokorychlostn\u00ed kamery, kter\u00e9 maj\u00ed vysokou rychlost.\nrychlost z\u00e1znamu a vysok\u00e9 rozli\u0161en\u00ed a z\u00e1rove\u0148 jsou schopny\nsynchronizovan\u00fd z\u00e1znam ze dvou sm\u011br\u016f, jsou\nnezbytn\u00e9. Kamera HPV-X2 je vybavena v\u0161emi t\u011bmito funkcemi.\nje optim\u00e1ln\u00ed vysokorychlostn\u00ed videokamera pro 3D-DIC.\nanal\u00fdzy n\u00e1razov\u00fdch zkou\u0161ek.\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=\"Obr. 4 V\u00fdsledky 3D-DIC anal\u00fdzy (\u010dasov\u00fd interval mezi sn\u00edmky: 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\">Obr. 4 V\u00fdsledky 3D-DIC anal\u00fdzy (\u010dasov\u00fd interval mezi sn\u00edmky: 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\tTest byl zaznamen\u00e1n ve spolupr\u00e1ci s Laborato\u0159\u00ed stavebn\u00ed mechaniky na Kated\u0159e stroj\u00edrenstv\u00ed P\u0159\u00edrodov\u011bdeck\u00e9 fakulty UK.\na in\u017een\u00fdrstv\u00ed na Ritsumeikan University. <br> <br>\nOdkaz<br>\n1) Kichinosuke Tanaka a Yoji Adachi, Aeronautical and Space Sciences Japan, Volume 21, Issue 230 (1973). <br>\nHPV je ochrann\u00e1 zn\u00e1mka spole\u010dnosti 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\">St\u00e1hnout<\/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\">Pou\u017eit\u00ed: 3D-DIC anal\u00fdza kovov\u00e9ho vzorku po r\u00e1zov\u00e9 tlakov\u00e9 zkou\u0161ce metodou Hopkinsonovy ty\u010de<\/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\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/tensile-test-of-plastics-with-automatic-extensometer.pdf\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Zkou\u0161ka plast\u016f v tahu pomoc\u00ed extenzometru (PDF)<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\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\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>P\u0159i navrhov\u00e1n\u00ed v\u00fdrobk\u016f je d\u016fle\u017eit\u00e9 zn\u00e1t vlastnosti materi\u00e1l\u016f. <\/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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