{"id":2994,"date":"2020-07-23T09:11:48","date_gmt":"2020-07-23T09:11:48","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=2994"},"modified":"2020-07-23T09:11:48","modified_gmt":"2020-07-23T09:11:48","slug":"zro2-ceramic-foam-filter","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/zro2-ceramic-foam-filter\/","title":{"rendered":"Filtro de espuma cer\u00e2mica de ZrO\u2082"},"content":{"rendered":"<p>Foi preparado um filtro de espuma cer\u00e2mica de ZrO\u2082 com propriedades superiores por meio do processo de impregna\u00e7\u00e3o de espuma org\u00e2nica. O m\u00e9todo utilizou p\u00f3s de ZrO\u2082 como mat\u00e9ria-prima e p\u00f3s de Al\u2082O\u2083 e Y\u2082O\u2083 como auxiliares de sinteriza\u00e7\u00e3o. Foi estudada a influ\u00eancia da temperatura de queima e do tempo de manuten\u00e7\u00e3o na densidade aparente, na resist\u00eancia ao choque t\u00e9rmico e na resist\u00eancia \u00e0 compress\u00e3o das amostras. O filtro de espuma cer\u00e2mica de ZrO\u2082 foi caracterizado por meio de m\u00e1quina de ensaio de tra\u00e7\u00e3o, analisadores t\u00e9rmicos integrados, difra\u00e7\u00e3o de raios X e microsc\u00f3pio eletr\u00f4nico de varredura (SEM). Os resultados experimentais indicaram que as propriedades das amostras preparadas foram melhores quando a temperatura de queima foi de 1.580 \u2103 e o tempo de manuten\u00e7\u00e3o foi de 120 min. As amostras apresentaram densidade aparente de 0,452 g\/cm\u00b3, resist\u00eancia ao choque t\u00e9rmico 12 vezes maior e resist\u00eancia \u00e0 compress\u00e3o de 1,56 MPa.<\/p>\n<h2>Filtro de espuma cer\u00e2mica de ZrO\u2082<\/h2>\n<p>A cer\u00e2mica espumosa \u00e9 uma estrutura esquel\u00e9tica em malha 3D com alta porosidade. <a href=\"http:\/\/www.alalloycasting.com\/pt\/zirconia-foam-ceramic-filter\/\">Filtro de espuma cer\u00e2mica de zirc\u00f4nia<\/a> Possui ampla \u00e1rea de filtragem, alta efici\u00eancia de filtragem, boa estabilidade t\u00e9rmica e resist\u00eancia ao impacto de metais. Pode ser utilizada como filtro, suporte de catalisador, material de tecido isolante com absor\u00e7\u00e3o ac\u00fastica e material biol\u00f3gico. As cer\u00e2micas espumadas s\u00e3o amplamente utilizadas em setores como economia de energia, prote\u00e7\u00e3o ambiental, alimentos, petr\u00f3leo, refino, farmac\u00eautico, biom\u00e9dico e outros. No entanto, as cer\u00e2micas em espuma atuais apresentam problemas generalizados, como baixa resist\u00eancia e porosidade que se obstrui facilmente. O ZrO\u2082 possui um ponto de ebuli\u00e7\u00e3o elevado no estado fundido, alta dureza, baixa condutividade t\u00e9rmica, boa estabilidade t\u00e9rmica e caracter\u00edsticas de flu\u00eancia a altas temperaturas. Al\u00e9m disso, a transforma\u00e7\u00e3o de fase martens\u00edtica do ZrO\u2082 pode proporcionar efeitos de endurecimento por transforma\u00e7\u00e3o de fase, endurecimento por microfissuras e endurecimento por dispers\u00e3o, o que pode melhorar significativamente a tenacidade e a resist\u00eancia das cer\u00e2micas. A introdu\u00e7\u00e3o do ZrO\u2082 confere excelente desempenho \u00e0s cer\u00e2micas em espuma, aumentando sua tenacidade e resist\u00eancia.<\/p>\n<p>O <a href=\"http:\/\/www.alalloycasting.com\/pt\/ceramic-foam-filter-pzr\/\">Filtro de espuma cer\u00e2mica - PZr<\/a> adota o processo de impregna\u00e7\u00e3o de espuma org\u00e2nica de alto desempenho. Apresenta um bom grau de uniformidade da amostra, permeabilidade entre os poros e uma estrutura esquel\u00e9tica para a malha 3D. Utiliza equipamento de extrus\u00e3o autom\u00e1tica para garantir a distribui\u00e7\u00e3o uniforme da pasta no esqueleto da espuma.<\/p>","protected":false},"excerpt":{"rendered":"<p>ZrO2 ceramic foam filter with high properties was prepared by the process of organic foam impregnation. The method employed ZrO2 powders as raw material, Al2O3&hellip;<\/p>","protected":false},"author":1,"featured_media":2995,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,138],"tags":[752,1709],"class_list":["post-2994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ceramic-foam-filter","category-seo","tag-zirconia-ceramic-foam-filter","tag-zro2-ceramic-foam-filter"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ZrO2 Ceramic Foam Filter-sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"ZrO2 Ceramic Foam Filter has a large filtering area, high filtration efficiency, good thermal stability, impact resistance to metal ability.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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