{"id":15687,"date":"2024-09-18T09:07:57","date_gmt":"2024-09-18T07:07:57","guid":{"rendered":"https:\/\/dev.shimadzu-testing.com\/?p=15687"},"modified":"2025-02-05T11:33:23","modified_gmt":"2025-02-05T10:33:23","slug":"3-point-flexural-test-of-cellulose-nanofibersreinforced-plastics","status":"publish","type":"post","link":"https:\/\/shimadzu-testing.com\/ro\/stiti-cum\/bending-testing\/3-point-flexural-test-of-cellulose-nanofibersreinforced-plastics\/","title":{"rendered":"Test de flexiune \u00een 3 puncte a materialelor plastice ranforsate cu nanofibre de celuloz\u0103"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"15687\" class=\"elementor elementor-15687\" 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-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>Introducere<\/strong><\/h2>\n<p>Spuma de plastic este u\u0219oar\u0103 \u0219i are propriet\u0103\u021bi excelente de izolare termic\u0103\npropriet\u0103\u021bi de izolare termic\u0103 \u0219i de absorb\u021bie a \u0219ocurilor, deoarece\ninteriorul materialului con\u021bine numeroase goluri. Pe\npe de alt\u0103 parte, rezisten\u021ba spumei din plastic este mai mic\u0103 dec\u00e2t cea\nmaterialelor care nu sunt din spum\u0103, deoarece volumul de plastic pe unitate\nvolum este mai mic. Ad\u0103ugarea de fibre sau alte materiale de ranforsare\neste o tehnic\u0103 pentru ob\u021binerea unei rezisten\u021be satisf\u0103c\u0103toare\nrezisten\u021b\u0103 satisf\u0103c\u0103toare \u00een materialele \u00een care spuma este utilizat\u0103 pentru a conferi\ngreutate redus\u0103 \u0219i propriet\u0103\u021bi de izolare termic\u0103. De\u0219i\nfibrele de sticl\u0103 \u0219i fibrele de carbon sunt adesea folosite ca\nmateriale de armare, cercetarea \u0219i dezvoltarea care utilizeaz\u0103\nnanofibre de celuloz\u0103 (denumite \u00een continuare \"CNF\") ca\nde \u00eenalt\u0103 performan\u021b\u0103 a progresat recent.\nCeluloza, const\u00e2nd \u00een principal din substan\u021be precum celulele\nvegetale \u0219i bumbacul, este cel mai comun\ncarbohidra\u021bi de pe P\u0103m\u00e2nt \u0219i a fost folosit\u0103 mult timp ca materie prim\u0103\nmaterie prim\u0103 pentru h\u00e2rtie \u0219i fibre de bumbac. Recent, CNF cu\nfunc\u021bionalitate mai mare realizat\u0103 prin defibrarea celulozei la\nla nivel nano a atras interesul. Ca material derivat din plante\ndin plante, CNF are un impact redus asupra mediului \u0219i, de asemenea\nare o varietate de propriet\u0103\u021bi dezirabile, inclusiv\ndilatare liniar\u0103 sc\u0103zut\u0103, o proprietate de barier\u0103 la gaze \u0219i\ntransparen\u021b\u0103. \u00cen compara\u021bie cu materialele feroase,\nCNF c\u00e2nt\u0103re\u0219te doar 1\/5 din greutate, dar are o rezisten\u021b\u0103 specific\u0103 ridicat\u0103\nrezisten\u021b\u0103 specific\u0103, fiind de 5 ori mai puternic dec\u00e2t o\u021belul \u0219i\nrezisten\u021b\u0103 egal\u0103 sau superioar\u0103 celei a materialelor conven\u021bionale\nmateriale conven\u021bionale poate fi realizat\u0103 prin combinarea CNF cu\nmateriale plastice \u0219i cauciuc. Prin urmare, CNF a atras\ninteres ca un nou material dup\u0103 fibra de carbon.\nAcest articol prezint\u0103 un test de flexiune \u00een 3 puncte folosind un\ndispozitiv de m\u0103surare a deflec\u021biei \u0219i viteza de testare \u00een\n\u00een conformitate cu JIS K 7171, care este utilizat \u00een general \u00een\nevaluarea rezisten\u021bei materialelor plastice, \u0219i compar\u0103\ndiferen\u021bele de rezisten\u021b\u0103 la flexiune cu\/f\u0103r\u0103 CNF \u0219i\ncu\/f\u0103r\u0103 spumare.\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-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>Specimene<\/strong><\/h2>\n<p>polietilen\u0103 de \u00eenalt\u0103 densitate (denumit\u0103 \u00een continuare HDPE). Probele de testare *1 au fost preparate prin ad\u0103ugarea a 5 % CNF la HDPE ca material plastic matrice. Pentru a investiga diferen\u021bele \u00een ceea ce prive\u0219te starea intern\u0103, \u00eenainte de teste a fost efectuat\u0103 observarea intern\u0103 a epruvetelor cu un sistem CT cu raze X cu microfocalizare InspecXio SMX- 100CT. Fig. 1 prezint\u0103 imagini CT ale probelor, \u00een care golurile apar ca zone negre. Nu exist\u0103 diferen\u021be mari \u00eentre plasticul ne-spumat f\u0103r\u0103 CNF (\u2460) \u0219i plasticul ne-spumat armat cu CNF ( \u2461). \u00cen cazul plasticului spumos, s-a constatat c\u0103 \u00een plasticul armat cu CNF (\u2463) existau goluri mai fine, dispersate uniform, dec\u00e2t \u00een plasticul f\u0103r\u0103 CNF. Astfel, posibilitatea ca CNF s\u0103 \u00eempiedice cre\u0219terea \u0219i coalescen\u021ba golurilor este imaginabil\u0103. \n<br> <br>\n*1 Specimene furnizate de Kyoto Municipal Institute of Industrial Technology and Culture, o agen\u021bie administrativ\u0103 local\u0103 \u00eencorporat\u0103.<\/p>\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-e0b2331 elementor-widget elementor-widget-text-editor\" data-id=\"e0b2331\" 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>Sistem de m\u0103surare<\/strong><\/h2>\n<p>Fig. 2 prezint\u0103 condi\u021biile de testare, iar tabelul 1\nprezint\u0103 condi\u021biile de testare. Dup\u0103 m\u0103surarea flexibilit\u0103\u021bii\nmodulului de elasticitate, viteza de testare a fost modificat\u0103\npentru a m\u0103sura eficient rezisten\u021ba la flexiune. Pentru\nm\u0103surarea precis\u0103 a deform\u0103rii\nprobelor, testul a fost efectuat cu ajutorul unui\ndeflectometru \u00een m\u0103sur\u0103torile de deplasare.\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\/3-point-flexural-test-of-cellulose-nanofibers-reinforced-plastics-fig2-condition-of-test.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"3-point-flexural-test-of-cellulose-nanofibers-reinforced-plastics-fig2-condition-of-test\" data-elementor-lightbox-description=\"Fig. 2 Condition of Test\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTU2NTUsInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMDlcLzMtcG9pbnQtZmxleHVyYWwtdGVzdC1vZi1jZWxsdWxvc2UtbmFub2ZpYmVycy1yZWluZm9yY2VkLXBsYXN0aWNzLWZpZzItY29uZGl0aW9uLW9mLXRlc3QuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"484\" height=\"440\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/3-point-flexural-test-of-cellulose-nanofibers-reinforced-plastics-fig2-condition-of-test.jpg\" class=\"attachment-medium_large size-medium_large wp-image-15655\" alt=\"Fig. 2 Condi\u021bia de testare\" \/>\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 Condi\u021bia de testare<\/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\/3-point-flexural-test-of-cellulose-nanofibers-reinforced-plastics-table-1-test-conditions.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"3-point-flexural-test-of-cellulose-nanofibers-reinforced-plastics-table-1-test-conditions\" data-elementor-lightbox-description=\"Table 1 Test Conditions\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTU2NTcsInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMDlcLzMtcG9pbnQtZmxleHVyYWwtdGVzdC1vZi1jZWxsdWxvc2UtbmFub2ZpYmVycy1yZWluZm9yY2VkLXBsYXN0aWNzLXRhYmxlLTEtdGVzdC1jb25kaXRpb25zLmpwZyJ9\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"363\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/3-point-flexural-test-of-cellulose-nanofibers-reinforced-plastics-table-1-test-conditions-768x363.jpg\" class=\"attachment-medium_large size-medium_large wp-image-15657\" alt=\"Tabelul 1 Condi\u021bii de testare\" \/>\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\">Tabelul 1 Condi\u021bii de testare<\/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-386b200 elementor-widget elementor-widget-text-editor\" data-id=\"386b200\" 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 testelor<\/strong><\/h2>\n<p>Fig. 3 prezint\u0103 rezultatele testelor. Cu plasticele armate cu CNF\n(\u2461, \u2463), a ap\u0103rut o structur\u0103 fragil\u0103, dup\u0103 cum se poate observa\nde sc\u0103derea brusc\u0103 a for\u021bei de \u00eencercare dup\u0103 atingerea\nrezisten\u021bei maxime. Plasticele non-CNF ( \u2460 , \u2462 )\nau prezentat un comportament ductil, \u00een care for\u021ba de \u00eencercare\na sc\u0103zut treptat.\nTabelul 2 rezum\u0103 rezultatele testelor pentru toate epruvetele.\nModulul de elasticitate la flexiune a fost calculat din\npanta deform\u0103rii flexurale de la 0,05 % la 0,25 %.\nCompar\u00e2nd valorile HDPE f\u0103r\u0103 CNF (\u2460, \u2462)\n\u0219i plasticul armat cu CNF ( \u2461 , \u2463 ), plasticul armat cu CNF\na prezentat valori mai mari at\u00e2t pentru modulul\nmodulul de elasticitate la flexiune \u0219i rezisten\u021ba la flexiune.\n\u00cen plus, compar\u00e2nd coeficien\u021bii de varia\u021bie ai\nrezisten\u021belor la flexiune ale spumei din plastic HDPE (\u2462) \u0219i\nspuma de plastic armat\u0103 cu CNF (\u2463), s-a constatat c\u0103\nvaria\u021bia plasticului armat cu CNF a fost mai mic\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-2e696ce e-grid e-con-full e-con e-child\" data-id=\"2e696ce\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5b38999 elementor-widget elementor-widget-image\" data-id=\"5b38999\" 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\/3-point-flexural-test-of-cellulose-nanofibers-reinforced-plastics-fig3-test-results.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"3-point-flexural-test-of-cellulose-nanofibers-reinforced-plastics-fig3-test-results\" data-elementor-lightbox-description=\"Fig. 3 Test Results\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTU2NTYsInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMDlcLzMtcG9pbnQtZmxleHVyYWwtdGVzdC1vZi1jZWxsdWxvc2UtbmFub2ZpYmVycy1yZWluZm9yY2VkLXBsYXN0aWNzLWZpZzMtdGVzdC1yZXN1bHRzLmpwZyJ9\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"491\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/3-point-flexural-test-of-cellulose-nanofibers-reinforced-plastics-fig3-test-results-768x491.jpg\" class=\"attachment-medium_large size-medium_large wp-image-15656\" alt=\"Fig. 3 Rezultatele testelor\" \/>\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 Rezultatele testelor<\/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-21447e8 elementor-widget elementor-widget-image\" data-id=\"21447e8\" 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\/3-point-flexural-test-of-cellulose-nanofibers-reinforced-plastics-table-2-summary-of-test-results-average-of-n-3.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"3-point-flexural-test-of-cellulose-nanofibers-reinforced-plastics-table-2-summary-of-test-results-average-of-n-3\" data-elementor-lightbox-description=\"Table 2 Summary of Test Results (Average of n=3)\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTU2NTgsInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMDlcLzMtcG9pbnQtZmxleHVyYWwtdGVzdC1vZi1jZWxsdWxvc2UtbmFub2ZpYmVycy1yZWluZm9yY2VkLXBsYXN0aWNzLXRhYmxlLTItc3VtbWFyeS1vZi10ZXN0LXJlc3VsdHMtYXZlcmFnZS1vZi1uLTMuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"305\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/3-point-flexural-test-of-cellulose-nanofibers-reinforced-plastics-table-2-summary-of-test-results-average-of-n-3-768x305.jpg\" class=\"attachment-medium_large size-medium_large wp-image-15658\" alt=\"Tabelul 2 Rezumatul rezultatelor testelor (media a n=3)\" \/>\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\">Tabelul 2 Rezumatul rezultatelor testelor (media a n=3)<\/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-1768880 elementor-widget elementor-widget-text-editor\" data-id=\"1768880\" 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<ul>\nA fost posibil\u0103 cre\u0219terea modulului de elasticitate la flexiune\nelasticitate \u0219i rezisten\u021ba la flexiune a plasticului prin ad\u0103ugarea de CNF.\n\u00cen plus fa\u021b\u0103 de \u00eembun\u0103t\u0103\u021birea acestor propriet\u0103\u021bi, \u00een cazul\nspumei de plastic, s-a constatat, de asemenea, c\u0103 modelarea stabil\u0103 a plasticului\nstabil\u0103 a spumei, de exemplu, f\u0103r\u0103 varia\u021bii \u00een dimensiunea golurilor\neste posibil\u0103 prin ad\u0103ugarea de CNF.\nDe\u0219i sunt necesare diverse tipuri de evalu\u0103ri pentru\naplicarea materialelor compozite CNF la membri,\nevaluarea rezisten\u021bei este un element-cheie. \u00cen acest studiu, deformarea\ndeflec\u021bia probelor a putut fi m\u0103surat\u0103 cu\nprecizie ridicat\u0103, deoarece a fost utilizat un deflectometru.\nEvaluarea precis\u0103 a propriet\u0103\u021bilor mecanice ale\nmaterialelor care con\u021bin CNF este posibil\u0103 prin utilizarea\nsistemelor de m\u0103surare Shimadzu.\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-49c6ec6 elementor-widget elementor-widget-spacer\" data-id=\"49c6ec6\" 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-167ca2b e-flex e-con-boxed e-con e-parent\" data-id=\"167ca2b\" 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-2bb8546 elementor-widget elementor-widget-heading\" data-id=\"2bb8546\" 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-951c335 downloads-liste elementor-widget elementor-widget-text-editor\" data-id=\"951c335\" 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><div class=\"page\" title=\"Pagina 1\"><div class=\"section\"><div class=\"layoutArea\"><div class=\"column\"><p><a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/3-point-flexural-test-of-cellulose-nanofibers-reinforced-plastics.pdf\">Aplica\u021bie: Test de flexiune \u00een 3 puncte a materialelor plastice ranforsate cu nanofibre de celuloz\u0103Test de flexiune \u00een trei puncte pentru materiale plastice<\/a><\/p><\/div><\/div><\/div><\/div><\/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-c26eafc elementor-widget elementor-widget-spacer\" data-id=\"c26eafc\" 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\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Plastic foam is lightweight and has excellent thermal<br \/>\ninsulating and shock-absorbing properties because the<br \/>\ninterior of the material contains numerous voids. On the<br \/>\nother hand&#8230;<\/p>","protected":false},"author":5,"featured_media":15654,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[347,336],"tags":[],"class_list":["post-15687","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ags-x","category-bending-testing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>3-Point Flexural Test of CNF-Reinforced Plastics | Shimadzu<\/title>\n<meta name=\"description\" content=\"Explore Shimadzu&#039;s methodology for 3-point flexural testing of cellulose nanofiber-reinforced plastics to assess bending strength and flexural modulus.\" \/>\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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