{"id":16911,"date":"2021-12-28T20:03:37","date_gmt":"2021-12-28T20:03:37","guid":{"rendered":"https:\/\/nanovea.com\/?p=16911"},"modified":"2025-05-22T20:23:55","modified_gmt":"2025-05-22T20:23:55","slug":"fossil-microstrutura-usando-3d-profilometria","status":"publish","type":"post","link":"https:\/\/nanovea.com\/pt\/fossil-microstructure-using-3d-profilometry\/","title":{"rendered":"Microestrutura f\u00f3ssil usando a Perfilometria 3D"},"content":{"rendered":"
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MICROESTRUTURA F\u00d3SSIL<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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USANDO A PROFILOMETRIA 3D<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Preparado por<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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DUANJIE LI, PhD<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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INTRODU\u00c7\u00c3O<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Os f\u00f3sseis s\u00e3o os restos preservados de vest\u00edgios de plantas, animais e outros organismos enterrados em sedimentos sob antigos mares, lagos e rios. O tecido mole do corpo geralmente se decomp\u00f5e ap\u00f3s a morte, mas as conchas duras, os ossos e os dentes se fossilizam. As caracter\u00edsticas da superf\u00edcie da microestrutura s\u00e3o frequentemente preservadas quando ocorre a substitui\u00e7\u00e3o mineral das conchas e ossos originais, o que proporciona uma vis\u00e3o da evolu\u00e7\u00e3o do tempo e do mecanismo de forma\u00e7\u00e3o dos f\u00f3sseis.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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IMPORT\u00c2NCIA DE UM PROFIL\u00d4METRO 3D SEM CONTATO PARA O EXAME F\u00d3SSIL<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Perfis 3D do f\u00f3ssil nos permitem observar as caracter\u00edsticas detalhadas da superf\u00edcie da amostra f\u00f3ssil de um \u00e2ngulo mais pr\u00f3ximo. A alta resolu\u00e7\u00e3o e precis\u00e3o do perfil\u00f4metro NANOVEA podem n\u00e3o ser discern\u00edveis a olho nu. O software de an\u00e1lise do perfil\u00f4metro oferece uma ampla gama de estudos aplic\u00e1veis a essas superf\u00edcies \u00fanicas. Ao contr\u00e1rio de outras t\u00e9cnicas, como sondas de toque, o NANOVEA Perfil\u00f4metro 3D sem contato<\/a> mede as caracter\u00edsticas da superf\u00edcie sem tocar na amostra. Isto permite a preserva\u00e7\u00e3o das verdadeiras caracter\u00edsticas da superf\u00edcie de certas amostras f\u00f3sseis delicadas. Al\u00e9m disso, o perfil\u00f4metro port\u00e1til modelo Jr25 permite a medi\u00e7\u00e3o 3D em s\u00edtios f\u00f3sseis, o que facilita substancialmente a an\u00e1lise e prote\u00e7\u00e3o de f\u00f3sseis ap\u00f3s a escava\u00e7\u00e3o.<\/p>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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OBJETIVO DA MEDI\u00c7\u00c3O<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Neste estudo, o Profil\u00f4metro NANOVEA Jr25 \u00e9 usado para medir a superf\u00edcie de duas amostras representativas de f\u00f3sseis. Toda a superf\u00edcie de cada f\u00f3ssil foi escaneada e analisada a fim de caracterizar suas caracter\u00edsticas de superf\u00edcie que incluem rugosidade, contorno e dire\u00e7\u00e3o da textura.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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NANOVEA<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Jr25<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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BRACHIOPOD F\u00d3SSIL<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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A primeira amostra f\u00f3ssil apresentada neste relat\u00f3rio \u00e9 um f\u00f3ssil Brachiopod, que veio de um animal marinho que possui \"v\u00e1lvulas\" (conchas) duras em suas superf\u00edcies superior e inferior. Eles apareceram pela primeira vez no per\u00edodo Cambriano, que \u00e9 mais de 550 milh\u00f5es de anos atr\u00e1s.<\/p>

A Vista 3D da varredura \u00e9 mostrada em FIGURA 1 e a Vista Falsa Cor \u00e9 mostrada em FIGURA 2.\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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FIGURA 1: <\/span>Vista 3D da amostra f\u00f3ssil do Brachiopod.<\/span>
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FIGURA 2:\u00a0<\/span>Falsa vis\u00e3o colorida da amostra de f\u00f3ssil Brachiopod.<\/span><\/span><\/p>\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<\/div>\n\t\t\t\t

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A forma geral foi ent\u00e3o removida da superf\u00edcie a fim de investigar a morfologia local da superf\u00edcie e o contorno do f\u00f3ssil Brachiopod, conforme mostrado na FIGURA 3. Uma peculiar textura de ranhura divergente pode agora ser observada na amostra do f\u00f3ssil Brachiopod.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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FIGURA 3:<\/span>\u00a0Vista falsa de cores e linhas de contorno ap\u00f3s a remo\u00e7\u00e3o do formul\u00e1rio.<\/span>
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Um perfil de linha \u00e9 extra\u00eddo da \u00e1rea texturizada para mostrar uma vis\u00e3o transversal da superf\u00edcie f\u00f3ssil na FIGURA 4. O estudo Step Height mede as dimens\u00f5es precisas das caracter\u00edsticas da superf\u00edcie. As ranhuras possuem uma largura m\u00e9dia de ~0,38 mm e profundidade de ~0,25 mm.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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FIGURA 4:<\/span> Estudo do perfil da linha e da altura do degrau da superf\u00edcie texturizada.<\/span>
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F\u00d3SSIL DE TRONCO DE CRINOIDES<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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A segunda amostra f\u00f3ssil \u00e9 um f\u00f3ssil Crinoide stem. Os Crinoides apareceram pela primeira vez nos mares do Per\u00edodo M\u00e9dio Cambriano, cerca de 300 milh\u00f5es de anos antes dos dinossauros.\u00a0<\/span><\/p>

\u00a0<\/span><\/p>

A vista 3D da varredura \u00e9 mostrada no FIGURA 5 e a Vista Falsa Colorida \u00e9 mostrada no FIGURA 6.\u00a0<\/span><\/p>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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FIGURA 5: <\/span>Vista 3D da amostra do f\u00f3ssil Crinoide.<\/span>
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A textura superficial da isotropia e a rugosidade do f\u00f3ssil Crinoide-tronco s\u00e3o analisadas na FIGURA 7.\u00a0<\/span><\/p>

\u00a0<\/span>Este f\u00f3ssil tem uma dire\u00e7\u00e3o de textura preferencial no \u00e2ngulo pr\u00f3ximo a 90\u00b0, levando a uma isotropia de textura de 69%.<\/span><\/p>\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<\/div>\n\t\t\t\t

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FIGURA 6:<\/span>\u00a0Vista Falsa de Cor do\u00a0<\/span><\/span>Haste de crinoides\u00a0<\/span>amostra.<\/span><\/p>

\u00a0<\/span><\/span><\/p>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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FIGURA 7:<\/span>\u00a0<\/span><\/span>Textura da superf\u00edcie isotropia e rugosidade do f\u00f3ssil Crinoide-tronco.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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O perfil 2D ao longo da dire\u00e7\u00e3o axial do f\u00f3ssil Crinoide stem \u00e9 mostrado na FIGURA 8.\u00a0<\/span><\/p>

O tamanho dos picos da textura da superf\u00edcie \u00e9 bastante uniforme.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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FIGURA 8:<\/span>\u00a0An\u00e1lise do perfil 2D do f\u00f3ssil Crinoid stem.<\/span><\/p>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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CONCLUS\u00c3O<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Nesta aplica\u00e7\u00e3o, estudamos de forma abrangente as caracter\u00edsticas de superf\u00edcie 3D de um f\u00f3ssil de Brachiopod e haste Crinoide utilizando o NANOVEA Jr25 Portable Non-Contact Profilometer. Mostramos que o instrumento pode caracterizar com precis\u00e3o a morfologia 3D das amostras f\u00f3sseis. As interessantes caracter\u00edsticas de superf\u00edcie e textura das amostras s\u00e3o ent\u00e3o analisadas mais detalhadamente. A amostra Brachiopod possui uma textura de ranhura divergente, enquanto que o f\u00f3ssil Crinoid mostra uma isotropia de textura preferencial. As varreduras detalhadas e precisas da superf\u00edcie 3D provam ser ferramentas ideais para paleont\u00f3logos e ge\u00f3logos estudarem a evolu\u00e7\u00e3o de vidas e a forma\u00e7\u00e3o de f\u00f3sseis.<\/span><\/p>

Os dados mostrados aqui representam apenas uma parte dos c\u00e1lculos dispon\u00edveis no software de an\u00e1lise. Os Profil\u00f4metros NANOVEA medem praticamente qualquer superf\u00edcie em campos como Semicondutor, Microeletr\u00f4nica, Solar, Fibra \u00d3ptica, Automotivo, Aeroespacial, Metalurgia, Usinagem, Revestimentos, Farmac\u00eautico, Biom\u00e9dico, Ambiental e muitos outros.<\/span><\/p>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Tem um aplicativo semelhante?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tCONVERSE COM UM ESPECIALISTA AGORA<\/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
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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tOBTENHA PRE\u00c7OS E DETALHES RAPIDAMENTE<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

FOSSIL MICROSTRUCTURE USING 3D PROFILOMETRY Prepared by DUANJIE LI, PhD INTRODUCTION Fossils are the preserved remains of traces of plants, animals and other organisms buried in sediment under ancient seas, lakes and rivers. The soft body tissue usually decays after death, but the hard shells, bones and teeth fossilize. Microstructure surface features are often preserved […]<\/p>\n","protected":false},"author":1,"featured_media":16957,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[7,349,350,351,353,335],"tags":[],"class_list":["post-16911","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application-notes","category-laboratory-testing","category-profilometry-geometry-shape","category-profilometry-roughness-finish","category-profilometry-texture-grain","category-profilometry-testing"],"_links":{"self":[{"href":"https:\/\/nanovea.com\/pt\/wp-json\/wp\/v2\/posts\/16911","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nanovea.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nanovea.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nanovea.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nanovea.com\/pt\/wp-json\/wp\/v2\/comments?post=16911"}],"version-history":[{"count":61,"href":"https:\/\/nanovea.com\/pt\/wp-json\/wp\/v2\/posts\/16911\/revisions"}],"predecessor-version":[{"id":24714,"href":"https:\/\/nanovea.com\/pt\/wp-json\/wp\/v2\/posts\/16911\/revisions\/24714"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nanovea.com\/pt\/wp-json\/wp\/v2\/media\/16957"}],"wp:attachment":[{"href":"https:\/\/nanovea.com\/pt\/wp-json\/wp\/v2\/media?parent=16911"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nanovea.com\/pt\/wp-json\/wp\/v2\/categories?post=16911"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nanovea.com\/pt\/wp-json\/wp\/v2\/tags?post=16911"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}