{"id":343,"date":"2020-09-11T08:17:01","date_gmt":"2020-09-11T08:17:01","guid":{"rendered":"https:\/\/fimcos.gradri.uniri.hr\/?p=343"},"modified":"2020-10-20T12:29:31","modified_gmt":"2020-10-20T12:29:31","slug":"fifth-group-of-experiments","status":"publish","type":"post","link":"https:\/\/fimcos.gradri.uniri.hr\/?p=343","title":{"rendered":"Fifth group of experiments"},"content":{"rendered":"\n<p>Analysis of a 3D printed samples (PLA) was performed in order to determine the modulus of elasticity and Poisson\u2019s ratio. Dimensions of the samples are according to the norm <a href=\"https:\/\/www.sis.se\/api\/document\/preview\/899511\/\" data-type=\"URL\" data-id=\"https:\/\/www.sis.se\/api\/document\/preview\/899511\/\">ISO 3167<\/a> and they were printed with a 3D printer Prusa I3 MK3 owned by the Faculty. The first group of experiments consists of two types of samples, which differ in structure, i.e. in the direction of printing (0\u00b0 and 45\u00b0 in respect to the samples\u2019 axis). The specimens were subjected to a tensile test in a Zwick 600 testing machine. Surface deformations were recorded with the GOM Aramis optical measurement system.<\/p>\n\n\n\n<figure class=\"is-layout-flex wp-block-gallery-1 wp-block-gallery columns-2 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"680\" src=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/uzorci-1-1024x680.jpg\" alt=\"\" data-id=\"344\" data-link=\"https:\/\/fimcos.gradri.uniri.hr\/?attachment_id=344\" class=\"wp-image-344\" srcset=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/uzorci-1-1024x680.jpg 1024w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/uzorci-1-300x199.jpg 300w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/uzorci-1-768x510.jpg 768w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/uzorci-1-452x300.jpg 452w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/uzorci-1.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"blocks-gallery-item__caption\">The structure of the first group of samples<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"877\" height=\"893\" src=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/uzorci-1-q.jpg\" alt=\"\" data-id=\"346\" data-full-url=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/uzorci-1-q.jpg\" data-link=\"https:\/\/fimcos.gradri.uniri.hr\/?attachment_id=346\" class=\"wp-image-346\" srcset=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/uzorci-1-q.jpg 877w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/uzorci-1-q-295x300.jpg 295w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/uzorci-1-q-768x782.jpg 768w\" sizes=\"(max-width: 877px) 100vw, 877px\" \/><figcaption class=\"blocks-gallery-item__caption\">The samples after the fracture<\/figcaption><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>After determining the modulus of elasticity and Poisson\u2019s ratio, prisms of identical material (microstructure corresponds to the previous samples) were 3D printed with dimensions 24x12x5 cm. A four-point bending test was performed on the Controls testing machine and the deformations and fractures occurring on the prisms were analysed in detail with the optical measurement system software.<\/p>\n\n\n\n<figure class=\"is-layout-flex wp-block-gallery-3 wp-block-gallery aligncenter columns-2 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"565\" height=\"412\" src=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/autocad.jpg\" alt=\"\" data-id=\"350\" data-full-url=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/autocad.jpg\" data-link=\"https:\/\/fimcos.gradri.uniri.hr\/?attachment_id=350\" class=\"wp-image-350\" srcset=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/autocad.jpg 565w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/autocad-300x219.jpg 300w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/autocad-411x300.jpg 411w\" sizes=\"(max-width: 565px) 100vw, 565px\" \/><figcaption class=\"blocks-gallery-item__caption\">Sample model in AutoCad<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"498\" src=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/20200916_132714-1024x498.jpg\" alt=\"\" data-id=\"345\" data-link=\"https:\/\/fimcos.gradri.uniri.hr\/?attachment_id=345\" class=\"wp-image-345\" srcset=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/20200916_132714-1024x498.jpg 1024w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/20200916_132714-300x146.jpg 300w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/20200916_132714-768x373.jpg 768w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/20200916_132714-1536x747.jpg 1536w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/20200916_132714-2048x996.jpg 2048w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/20200916_132714-500x243.jpg 500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"blocks-gallery-item__caption\">Sample structure<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"497\" src=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/viber_slika_2020-09-16_13-44-57-1024x497.jpg\" alt=\"\" data-id=\"348\" data-link=\"https:\/\/fimcos.gradri.uniri.hr\/?attachment_id=348\" class=\"wp-image-348\" srcset=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/viber_slika_2020-09-16_13-44-57-1024x497.jpg 1024w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/viber_slika_2020-09-16_13-44-57-300x146.jpg 300w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/viber_slika_2020-09-16_13-44-57-768x373.jpg 768w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/viber_slika_2020-09-16_13-44-57-1536x746.jpg 1536w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/viber_slika_2020-09-16_13-44-57-500x243.jpg 500w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/viber_slika_2020-09-16_13-44-57.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"blocks-gallery-item__caption\">Four-point bending test<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"672\" src=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/viber_slika_2020-09-16_13-46-43-1024x672.jpg\" alt=\"\" data-id=\"347\" data-link=\"https:\/\/fimcos.gradri.uniri.hr\/?attachment_id=347\" class=\"wp-image-347\" srcset=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/viber_slika_2020-09-16_13-46-43-1024x672.jpg 1024w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/viber_slika_2020-09-16_13-46-43-300x197.jpg 300w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/viber_slika_2020-09-16_13-46-43-768x504.jpg 768w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/viber_slika_2020-09-16_13-46-43-457x300.jpg 457w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/viber_slika_2020-09-16_13-46-43.jpg 1461w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"blocks-gallery-item__caption\">Deformation monitoring<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"497\" src=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/121-1024x497.jpg\" alt=\"\" data-id=\"349\" data-link=\"https:\/\/fimcos.gradri.uniri.hr\/?attachment_id=349\" class=\"wp-image-349\" srcset=\"https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/121-1024x497.jpg 1024w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/121-300x146.jpg 300w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/121-768x373.jpg 768w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/121-1536x746.jpg 1536w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/121-500x243.jpg 500w, https:\/\/fimcos.gradri.uniri.hr\/wp-content\/uploads\/2020\/10\/121.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"blocks-gallery-item__caption\">Samples after testing<\/figcaption><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>This experiment is the part of the undergraduate thesis project of our student Antonio Milevoj under the supervision of <a href=\"https:\/\/portal.uniri.hr\/portfelj\/1431\" data-type=\"URL\" data-id=\"https:\/\/portal.uniri.hr\/portfelj\/1431\" target=\"_blank\" rel=\"noreferrer noopener\">Assistant Professor Edita Papa Duki\u0107<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Analysis of a 3D printed samples (PLA) was performed in order to determine the modulus of elasticity and Poisson\u2019s ratio. Dimensions of the samples are according to the norm ISO 3167 and they were printed with a 3D printer Prusa &hellip; <a href=\"https:\/\/fimcos.gradri.uniri.hr\/?p=343\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"https:\/\/fimcos.gradri.uniri.hr\/index.php?rest_route=\/wp\/v2\/posts\/343"}],"collection":[{"href":"https:\/\/fimcos.gradri.uniri.hr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fimcos.gradri.uniri.hr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fimcos.gradri.uniri.hr\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/fimcos.gradri.uniri.hr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=343"}],"version-history":[{"count":3,"href":"https:\/\/fimcos.gradri.uniri.hr\/index.php?rest_route=\/wp\/v2\/posts\/343\/revisions"}],"predecessor-version":[{"id":357,"href":"https:\/\/fimcos.gradri.uniri.hr\/index.php?rest_route=\/wp\/v2\/posts\/343\/revisions\/357"}],"wp:attachment":[{"href":"https:\/\/fimcos.gradri.uniri.hr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=343"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fimcos.gradri.uniri.hr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=343"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fimcos.gradri.uniri.hr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}