{"id":1396,"date":"2025-07-17T04:59:38","date_gmt":"2025-07-17T04:59:38","guid":{"rendered":"https:\/\/sinocarbonfibre.com\/?post_type=product&p=1396"},"modified":"2025-07-24T00:51:42","modified_gmt":"2025-07-24T00:51:42","slug":"carbon-fiber-needle-felt","status":"publish","type":"product","link":"https:\/\/sinocarbonfibre.com\/de\/produkt\/carbon-fiber-needle-felt\/","title":{"rendered":"Kohlefaser-Nadelfilz"},"content":{"rendered":"
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Beim Nadeln von Kohlefaserfilz werden kurze Fasern ge\u00f6ffnet, gek\u00e4mmt und in ein Fasernetz gelegt, das dann durch Nadeln zu einem Gewebe verst\u00e4rkt wird. Die Nadeln haben Haken und Stacheln, die das Fasernetz wiederholt durchstechen. Die Haken und Fasern werden verst\u00e4rkt und bilden den genadelten Kohlenstofffaser-Rohfilz. Bei der Herstellung von Kohlenstofffaserfilz durch Vernadelung wird das flauschige Fasernetz durch die Durchstichwirkung der Vernadelungsmaschine verst\u00e4rkt und gehalten, um Festigkeit zu erzielen.<\/p>

Das Fasernetz wird wiederholt von einer Nadel mit einem Widerhaken an der Kante eines dreieckigen Querschnitts (oder eines anderen Querschnitts) durchstochen. Wenn der Widerhaken das Fasernetz durchsticht, werden die Oberfl\u00e4che und die lokalen inneren Fasern des Fasernetzes gezwungen, in das Fasernetz einzudringen. Durch die Reibung zwischen den Fasern wird das urspr\u00fcnglich flauschige Fasernetz zusammengedr\u00fcckt. Wenn sich die Nadel aus dem Fasernetz zur\u00fcckzieht, l\u00f6sen sich die eingef\u00fchrten Faserb\u00fcndel vom Widerhaken und verbleiben im Fasernetz. Auf diese Weise verwickeln viele Faserb\u00fcndel das Fasernetz, so dass es seinen urspr\u00fcnglichen flauschigen Zustand nicht mehr wiederherstellen kann. Nach mehrmaligem Vernadeln sind eine ganze Reihe von Faserb\u00fcndeln in das Fasernetz eingestochen, so dass die Fasern im Fasernetz miteinander verschlungen sind und so einen Kohlenstofffaser-Rohfilz mit einer bestimmten Festigkeit und Dicke bilden. Der urspr\u00fcngliche Kohlenstofffaserfilz wird dann voroxidiert und karbonisiert, um Kohlenstofffaserfilz zu erhalten (Produktionsprozess von PAN-basiertem Kohlenstofffaserfilz).<\/p>

Kohlefaserfilz hat eine hohe axiale Festigkeit und einen hohen Elastizit\u00e4tsmodul, eine geringe Dichte, eine sehr hohe Temperaturbest\u00e4ndigkeit in einer nicht oxidierenden Umgebung, eine gute Erm\u00fcdungsbest\u00e4ndigkeit, S\u00e4ure- und Laugenbest\u00e4ndigkeit, eine hohe Temperaturbest\u00e4ndigkeit, eine gute R\u00f6ntgendurchl\u00e4ssigkeit, eine gute elektrische und thermische Leitf\u00e4higkeit und gute elektromagnetische Abschirmungseigenschaften. Es wird zunehmend in der Industrie, der medizinischen Versorgung, dem Umweltschutz und anderen Bereichen eingesetzt.<\/p>

Die genadelten Vorformen aus Kohlenstofffasern werden aus Kohlenstofffasergewebe mit optimierter Winkelverflechtung hergestellt, mit Kohlenstofffaserkurzfaserf\u00fcllung kombiniert und durch spezielle Verfahren zu einem Ganzen verbunden. CFC-Verbundwerkstoffe werden durch Aufdampfen und Compoundieren hergestellt, was zu einer leichten, starken und dauerhaften Tr\u00e4gerstruktur f\u00fchrt. Zu den g\u00e4ngigen Spezifikationen geh\u00f6ren sowohl normale Teile wie flache Platten und T\u00f6pfe als auch speziell geformte Teile wie F\u00fchrungsrohre und Tiegel.<\/p>

Die vernadelte Vorform aus Kohlefaser ist eine Art Vorform aus C\/C-Verbundmaterial. Der Formgebungsprozess der vernadelten Vorform besteht darin, ein Fasernetz als Rohmaterial f\u00fcr die Vernadelung zu verwenden und eine spezielle Nadel mit umgekehrten Haken f\u00fcr die Vernadelung zu verwenden, um eine quasi-dreidimensionale Netzstruktur mit einer gewissen Festigkeit sowohl in der Ebene als auch in der Zwischenschicht zu bilden. Durch die Vernadelung wird die schwache Zwischenschichtfestigkeit von 2D-Laminat-Vorformlingen \u00fcberwunden und gleichzeitig die Schw\u00e4che von 3D-Gewebevorformlingen, die ein komplexes Verfahren und hohe Kosten mit sich bringen, \u00fcberwunden.<\/p>

Kohlefaser-Vorformlinge werden aus hochfesten Kohlefasern, Kohlefasergewebe und Kohlefaserfilz durch wiederholtes Schichten und Vernadeln hergestellt. Sie sind mit kurzen Fasern gef\u00fcllt und haben eine bestimmte Dichte und Festigkeit. Zu den Produkten geh\u00f6ren verschiedene Hei\u00dffeldtiegel, F\u00fchrungsrohre, Tiegel, Isolierzylinder-Vorformen und flache Plattenvorformen. Die Produkte werden mit einem C\/C-Wert zu leichten, robusten und langlebigen Heissfeldkomponenten zusammengesetzt. Sie k\u00f6nnen auch zu Hochgeschwindigkeitsschienen, Automobilbremsscheiben, Befestigungselementen und Spezialprodukten verarbeitet werden.<\/p>

Produktmerkmale<\/strong><\/h1>

Angemessene Dichte; nicht leicht zu verformen; gute Temperaturwechselbest\u00e4ndigkeit des Endprodukts; kein Rei\u00dfen oder Abfallen.<\/p>

Grundlegende Parameter<\/strong><\/h1>

Qualit\u00e4t des Aussehens: gleichm\u00e4\u00dfige Vernadelung, keine Schichtung, keine Verh\u00e4rtung, keine Kr\u00e4uselung und keine anderen Defekte im Rohling<\/p>

Gr\u00f6\u00dfe: gem\u00e4\u00df dem Bestellvertrag und der technischen Vereinbarung zwischen den Parteien (Angebot und Nachfrage)<\/p>

Volumendichte: 0,55-0,60g\/cm je nach Kundenwunsch<\/p>

Schichtdichte: 6-13 Schichten\/cm<\/p>

Langfaser-Masseanteil: 50-85%<\/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\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Beim Nadeln von Kohlefaserfilz werden kurze Fasern ge\u00f6ffnet, gek\u00e4mmt und in ein Fasernetz gelegt, das dann durch Nadeln zu einem Gewebe verst\u00e4rkt wird. Die Nadeln haben Haken und Stacheln, die das Fasernetz wiederholt durchstechen. Die Haken und Fasern werden verst\u00e4rkt und bilden den genadelten Kohlenstofffaser-Rohfilz. Bei der Herstellung von Kohlenstofffaserfilz durch Vernadelung wird das flauschige Fasernetz durch die Durchstichwirkung der Vernadelungsmaschine verst\u00e4rkt und gehalten, um Festigkeit zu erzielen.<\/p>","protected":false},"featured_media":1397,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[68],"product_tag":[],"class_list":{"0":"post-1396","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-needle-punched-precast","7":"desktop-align-left","8":"tablet-align-left","9":"mobile-align-left","11":"first","12":"instock","13":"shipping-taxable","14":"product-type-simple"},"acf":[],"yoast_head":"\nCarbon fiber needle felt - China carbon fiber drone products, carbon fiber, aramid fiber products and customized manufacturers<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sinocarbonfibre.com\/de\/produkt\/carbon-fiber-needle-felt\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Carbon fiber needle felt - China carbon fiber drone products, carbon fiber, aramid fiber products and customized manufacturers\" \/>\n<meta property=\"og:description\" content=\"Carbon fiber felt needle punching is to open, comb and lay short fibers into a fiber net, and then reinforce the fiber net into cloth through needles. 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