ULTRASONIC NEEDLE INSERTION OF PREFORMS

A method of displacing tows of a preform prior to densification includes aligning a multi-tip tool with the preform and oscillating the multi-tip tool in contact with tows of the preform. A plurality of tips of the tool contact the tows of preform during operation and thereby displace tows laterally...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Wang, Zhigang, Kole, Molly, Sudre, Olivier H
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BRAIDING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS KNITTING LACE-MAKING LIME, MAGNESIA MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL METALLURGY NON-WOVEN FABRICS REFRACTORIES SLAG TEXTILES TREATMENT OF NATURAL STONE TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	A method of displacing tows of a preform prior to densification includes aligning a multi-tip tool with the preform and oscillating the multi-tip tool in contact with tows of the preform. A plurality of tips of the tool contact the tows of preform during operation and thereby displace tows laterally within a ply.