{"id":1039,"date":"2012-07-27T09:54:05","date_gmt":"2012-07-27T09:54:05","guid":{"rendered":"https:\/\/www.akustik-forschung.de\/test\/?p=1039"},"modified":"2021-03-08T08:45:22","modified_gmt":"2021-03-08T07:45:22","slug":"metallfaserabsorber","status":"publish","type":"post","link":"https:\/\/www.akustikforschung.de\/en\/leistungen\/maschinenakustik\/schallabsorber\/metallfaserabsorber\/","title":{"rendered":"Metal fiber absorbers & metal foams"},"content":{"rendered":"

\"Metal<\/a><\/p>\n

Metal fiber sound absorbers possess a couple of advantages compared to the commonly used fiber absorbers consisting of glas wool and mineral wool. That alone makes them interesting for certain applications. Metal fiber absorbers possess among other things a higher mechanical solidness, good electrical and thermal conductivity and do not cause any noxious mechanical\u00a0abrasion.<\/p>\n

That makes them interesting for applications where glass wool or mineral wool cause any problems due to their material properties.<\/p>\n

<\/p>\n

Fabrication and application of metal fiber absorbers and metal foams<\/h4>\n

There exist different methods for the fabrication of metal fibers, for instance cutting or melting extraction. The latter one can be considered as a particularly low-cost method. By sintering of the metal fiber packages, the solidness can be further increased.<\/p>\n

Metal foams can be considered as an alternative for applying metal fibre absorbers. The airflow resistance and thus the spectral sound absorption coefficient can be optimized by varying the pore size and the pore number per volume unit respectively.<\/p>\n

In the case of a very high porosity, the metal foam loses its sound absorbing properties. However, by applying a suitable metal alloy possessing a high heat-resistivity in combination with an additional coating, such metal foams can be efficiently installed as a catalytic structure. They can be streamed by an airflow but causing only a low pressure drop.<\/p>\n

<\/p>\n

\"Measurement<\/a>

Sound absorption coefficient of fiber absorbers fabricated by melting extraction<\/p><\/div><\/p>","protected":false},"excerpt":{"rendered":"

Metal fiber sound absorbers possess a couple of advantages compared to the commonly used fiber absorbers consisting of glas wool […]<\/p>\n","protected":false},"author":1,"featured_media":2783,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[173,392,207,210,206,209,213,39,38,168,155,212],"class_list":["post-1039","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-schallabsorber","tag-druckverlust","tag-durchstrombar","tag-faserabsorber","tag-metallfaser","tag-metallschwamm","tag-mineralwolle","tag-porositat","tag-schallabsorption","tag-schallabsorptionsgrad","tag-schalldampfer","tag-stromung","tag-stromungswiderstand","has-content-parts","content-parts-5"],"yoast_head":"\nMetallfaserabsorber & Metallschw\u00e4mme - Metal fiber absorbers<\/title>\n<meta name=\"description\" content=\"Metallfaserabsorber, Metallschw\u00e4mme, Schalld\u00e4mpfung, Schallabsorption, Optimierung Str\u00f6mungswiderstand und Schallabsorptionsgrad\" \/>\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.akustikforschung.de\/leistungen\/maschinenakustik\/schallabsorber\/metallfaserabsorber\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Metallfaserabsorber & Metallschw\u00e4mme - 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