{"id":18731,"date":"2022-09-07T08:44:16","date_gmt":"2022-09-07T08:44:16","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=18731"},"modified":"2022-09-07T08:55:55","modified_gmt":"2022-09-07T08:55:55","slug":"compression-test-of-cff-filter","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/compression-test-of-cff-filter\/","title":{"rendered":"Teste de compress\u00e3o do filtro CFF"},"content":{"rendered":"

Teste de compress\u00e3o do filtro CFF<\/a>.<\/p>\n

2.24 Ensaio de resist\u00eancia \u00e0 compress\u00e3o O equipamento de ensaio \u00e9 uma m\u00e1quina universal eletr\u00f4nica de ensaio de materiais da s\u00e9rie CMT, controlada por computador.<\/p>\n

A amostra tem a forma de um cilindro com di\u00e2metro de 20 \u00b1 0,5 mm e altura de 20 \u00b1 1 mm. S\u00e3o cinco amostras por grupo. As amostras de ensaio s\u00e3o produzidas pelo mesmo processo utilizado na fabrica\u00e7\u00e3o do produto. A superf\u00edcie de prensagem da amostra \u00e9 retificada at\u00e9 ficar plana, e as duas superf\u00edcies de prensagem s\u00e3o mantidas paralelas entre si.<\/p>\n

\"filtro
filtro cff<\/figcaption><\/figure>\n

(1) Me\u00e7a o di\u00e2metro das superf\u00edcies de press\u00e3o superior e inferior da amostra, com precis\u00e3o de 0,01 cm.<\/p>\n

(2) Coloque a amostra no centro da placa inferior da m\u00e1quina de ensaio e aplique press\u00e3o uniformemente a uma velocidade de 20 \u00b1 5 kg\/cm\u00b2 por segundo, at\u00e9 que o ponteiro do man\u00f4metro inverta o sentido e o ensaio seja interrompido imediatamente.<\/p>\n

2, em que: Rc \u2014 a resist\u00eancia \u00e0 compress\u00e3o do Teste de compress\u00e3o do filtro CFF<\/a>, a \u00e1rea de compress\u00e3o da amostra (mm\u00b2) d\u2082, o di\u00e2metro das superf\u00edcies de compress\u00e3o superior e inferior da amostra (mm) P \u2014 a press\u00e3o na qual a amostra se rompe (N)<\/p>\n

22.5 Ensaio de resist\u00eancia \u00e0 flex\u00e3o<\/p>\n

O instrumento de ensaio \u00e9 uma m\u00e1quina eletr\u00f4nica universal de ensaio de materiais da s\u00e9rie CMT, controlada por microcomputador. As especifica\u00e7\u00f5es das amostras s\u00e3o: 10 \u00b1 1 mm de altura, 20 \u00b1 1 mm de largura e 120 \u00b1 2 mm de comprimento. S\u00e3o 5 amostras por grupo. Fabricadas utilizando o mesmo processo empregado na produ\u00e7\u00e3o do produto acabado. A superf\u00edcie da amostra \u00e9 polida at\u00e9 ficar plana.<\/p>\n

(1) Antes do teste, remova as part\u00edculas de impureza da superf\u00edcie da amostra<\/p>\n

(2) Coloque a amostra no forno, seque-a a 110 \u00b1 5 \u2103 por 2 horas e, em seguida, coloque-a em um dessecador para resfri\u00e1-la at\u00e9 a temperatura ambiente.<\/p>\n

(3) Ajuste a dist\u00e2ncia entre os suportes para 50 mm, coloque a amostra no suporte, aplique uma carga a uma velocidade de 2 \u00b1 0,5 N\/s at\u00e9 que a amostra se rompa e registre o valor da carga no momento da ruptura<\/p>\n

(4) Me\u00e7a a espessura e a largura da parte quebrada da amostra, com precis\u00e3o de 0,01 mm; a f\u00f3rmula de c\u00e1lculo \u00e9 a seguinte:<\/p>\n

RF=3PL\/2BN2<\/p>\n

Rr \u2014 Resist\u00eancia \u00e0 flex\u00e3o de filtro cer\u00e2mico poroso<\/a> (MPa) P \u2014 Carga de ruptura da amostra de ensaio (N) L \u2014 Dist\u00e2ncia entre as bordas de apoio (mm) b \u2014 Largura da amostra no ponto de fratura (mm) h \u2014 Espessura da amostra no ponto de fratura (mm)<\/p>","protected":false},"excerpt":{"rendered":"

Compression test of cff filter. 2.24 Compressive strength testing The testing instrument is CMT series computer-controlled electronic universal material testing machine. The sample size is…<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[487],"class_list":["post-18731","post","type-post","status-publish","format-standard","hentry","category-blog","tag-cff-filter"],"yoast_head":"\nCompression test of cff filter, Ceramic Foam Filter, porous ceramic filter<\/title>\n<meta name=\"description\" content=\"Compression test of cff filter, The testing instrument is CMT series computer-controlled electronic universal material testing machine.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.alalloycasting.com\/pt\/compression-test-of-cff-filter\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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